KAP 140. Pilot s Guide. Bendix/King Autopilot System Rev. 2 May 02

Transcription

1 ilot s uide K 140 Bendix/King Autopilot ystem ev. 2 May

2 AI rior to export of this document, review for export license requirement is needed. COYIT OTIC Copyright 1998, 2002 oneywell International Inc. All rights reserved. eproduction of this publication or any portion thereof by any means without the express written permission of oneywell International Inc. is prohibited. For further information contact the Manager, Technical ublications; oneywell; One Technology Center; 2500 est 105th treet; Olathe, Kansas 01. Telephone: (91)

3 evision istory and Instructions Manual K 140 ilot s uide evision 2, May 2002 art umber This revision makes some of the changes for software version 0/01 more consistent throughout the ilot s uide. The affected pages are 9,, 1, 55, 58, 8, 8 and

4 evision istory and Instructions Manual K 140 ilot s uide evision 1, April 2002 art umber This revision incorporates changes for software version 0/01. -2

5 evision istory and Instructions Manual K 140 ilot s uide evision 0, June 1998 art umber This is the original version of this publication. -

6 -4 This page intentionally left blank.

7 Table of Contents Introduction eneral Description K 140 ingle Axis Autopilot ystem K 140 Two Axis Autopilot ystem K 140 Two Axis/Altitude reselect Autopilot ystem ystem Integration ower Application and reflight Tests K 140 ingle Axis Operation ystem Operating Modes ing eveler (O) Mode eading elect (D) Mode avigation (AV) Mode sing a D from D Mode (45 Intercept) avigation (AV) Mode sing a D from O Mode (All Angle Intercept) Approach () Mode sing a D from D Mode (45 Intercept) Approach () Mode sing a D from O Mode (All Angle Intercept) Approach () Mode sing an I Back Course (V) Mode sing a D from D Mode (45 Intercept) Back Course (V) Mode sing a D from O Mode (All Angle Intercept) Back Course (V) Mode sing an I Operations ith The K Takeoff And Climb To Assigned Altitude Capture sing D Capture sing I Outbound On Front Course For rocedure Turn To OC Approach sing D Outbound On Front Course For rocedure Turn To OC Approach sing I Front Course OC Approach sing D Front Course OC Approach sing I Outbound on Approach sing D Outbound on Approach sing I Inbound on Approach sing D Inbound on Approach sing I K 140 Two Axis Operation ystem Operating Modes Vertical peed (V) Mode Altitude old (AT) Mode Operations ith The K Takeoff And Climb To Assigned Altitude Capture sing D ev. 0 Jun/98 K 140 AIOT YTM i

8 Table of Contents Capture sing I Outbound On Front Course For rocedure Turn To I Approach sing D Outbound On Front Course For rocedure Turn To I Approach sing I Front Course I Approach sing D Front Course I Approach sing I Outbound on Approach sing D Outbound on Approach sing I Inbound on Approach sing D Inbound on Approach sing I K 140 Two Axis with Altitude reselect Operation ystem Operating Modes Vertical peed (V) Mode Altitude old (AT) Mode Altitude Alerting and reselect Altitude Alerter Altimeter etting Altitude reselect Voice Messaging Operations ith The K Takeoff And Climb To Assigned Altitude Capture sing D Capture sing I Outbound On Front Course For rocedure Turn To I Approach sing D Outbound On Front Course For rocedure Turn To I Approach sing I Front Course I Approach sing D Front Course I Approach sing I Outbound on Approach sing D Outbound on Approach sing I Inbound on Approach sing D Inbound on Approach sing I KC 55A Compass ystem KI 525A Indicator Description of Indicator and Display Functions laving Meter ( KA 51B) KMT 1 Magnetic laving Transmitter K 102A Directional yro Abnormal Circumstances Flight rocedures with the KC 55A Abnormal rocedures Autopilot Malfunction ii K 140 AIOT YTM ev. 0 Jun/98

9 Introduction Introduction The K 140 Autopilot ystem is a rate based digital autopilot system offering smooth performance and enhanced features found only in more expensive autopilots. The first of its type developed by oneywell, this system brings digital technology and reliability into the light aircraft cockpit. It is also significant that the K 140 series autopilots have been designed from their inception to interface with the ilver Crown package of products. Consider the advantage of having your avionics working together as an integrated system rather than as a group of components built by several manufactures. Your new K 140 roll axis features include wing leveler, heading select, and VO/OC intercept and tracking. The K 140 can also be coupled to and AV receivers as well. oll rate information is derived from the turn coordinator. itch axis features include vertical speed, glideslope and altitude hold along with the optional altitude preselect. itch information is derived from a pressure sensor and accelerometer. The K 140 Autopilot ystem operates independent of the aircraft s artificial horizon. Therefore, the autopilot retains roll stabilization and all vertical modes in the event of vacuum system failure. Internal monitors keep constant track of the K 140 s status and provide for automatic shutdown of the autopilot or trim system in the event of a malfunction. In addition to reliability, the K 140 is designed to be easily maintained in the field. Qualified oneywell ervice Centers are located around the world to provide assistance whenever necessary. To fully realize the capability of your new panel mount digital autopilot system, you must understand the performance capabilities and basic operational requirements of the system. This pilot s guide provides information to aid in this and is divided up into six sections. The first section provides general familiarization of each autopilot system including the associated panel mounted displays. The second section describes the K 140 ingle Axis Autopilot ystem. The third section describes the K 140 Two Axis Autopilot ystem. The fourth section describes the K 140 Two Axis/Altitude reselect Autopilot ystem. The fifth section describes the optional KC 55A slaved compass system. The ixth section describes abnormal procedures. ev. 1 K 140 AIOT YTM 1

10 K 140 K KFC 140 Introduction eneral Description K 140 ingle Axis Autopilot ystem The K 140 ingle Axis system is an entry level digital panel-mount autopilot, offering lateral modes only with an electric trim option. K 140 Two Axis/Altitude reselect Autopilot ystem The K 140 Two Axis system provides both lateral and vertical modes with altitude preselect. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 AM BAO D AV V D AV V AT D K 140 Two Axis Autopilot ystem The K 140 Two Axis system provides both lateral and vertical modes. D.C. C. T COODIA 2 MI. O ITC IFOMATIO D AV V AT D 2 K 140 AIOT YTM ev. 1

11 Introduction K 140 Two Axis Alt. reselect K 140 Two Axis K 140 ingle Axis I Optional Optional Optional D tandard tandard tandard Turn Coordinator tandard tandard tandard Automatic lectric levator Trim Optional Optional Manual lectric Trim Optional Optional FCTIO/MOD AT old (AT) Yes Yes AT reselect/at Yes eading elect (D) Yes Yes Yes AV (VO/AV/) Yes Yes Yes Approach () Yes Yes Yes lideslope () Yes Yes Back Course (V) Yes Yes Yes Control heel teering (C) Optional Optional Optional Vertical peed ld Yes Yes Auto Capture Yes Yes Yes Auto Track Yes Yes Yes All Angle Intercept tandard (with D or optional I) tandard (with D or optional I) tandard (with D or optional I) Auto 45-degree Intercept tandard (with D only) tandard (with D only) tandard (with D only) TT Manual and Auto Trim Monitor Both Both Both Acceleration Monitor Yes Yes K 140 ystem Capabilities ev. 1 K 140 AIOT YTM

12 Introduction ystem Integration The individual system diagrams on pages 5,, and 7 show the components and their relationship in typical K 140 ingle Axis, K 140 Two Axis, and K 140 Two Axis/Altitude reselect systems. The actual components on individual systems may vary slightly in order to optimize certification and installation requirements. ach system has a number of inputs: sensor outputs are shown in red; combination inputs are shown in blue; display outputs are shown in orange; and aircraft control shown in green. The systems diagrams reflect that the K 140 systems control both pitch and roll axes of the aircraft. 4 K 140 AIOT YTM ev. 1

13 D.C. C. O ITC IFOMATIO Introduction T COODIA 2 MI. 0 AI K 140 D AV V Middle Marker VO/OC/AV/ Deviation TIM FAI KC 140 ingle Axis Computer/Controller/ Annunciator contains computer functions, mode control buttons, and annunciations in a single unit. Turn Coordinator 0 AV K 271C oll ervo F Directional yro OB KI 204 or other Course Deviation Indicator O 0 AV D KC 05 K102A laved D K 272C itch Trim ervo (Optional) KI 525A ictorial avigation Indicator KMT 1 Flux Detector Autopilot Disconnect/ Trim Interrupt (Optional) KC 55A laved Compass ystem (Optional) - A CC + MA C KA 51B laving Accessory Control heelteering (Optional) Manual lectrical Trim (Optional) ev. 1 K 140 ingle Axis ystem Diagram K 140 AIOT YTM 5

14 D.C. C. O ITC IFOMATIO Introduction T COODIA 2 MI. 0 AI K 140 D AV V AT D Turn Coordinator VO/OC/AV/ Deviation lideslope Deviation Middle Marker tatic ressure TIM FAI KC 140 Two Axis Computer/ Controller/ Annunciator contains computer functions, mode control buttons, and annunciations in a single unit. Also contains static pressure sensor and accelerometer. K 271C oll ervo 0 AV F Directional yro OB KI 204 or other Course Deviation Indicator (not included) K 270C itch ervo O K102A laved D K 272C itch Trim ervo 0 AV D KC 05 KI 525A ictorial avigation Indicator KMT 1 Flux Detector Autopilot Disconnect/ Trim Interrupt KC 55A laved Compass ystem (Optional) - A CC + MA C KA 51B laving Accessory Control heelteering (optional) Manual lectrical Trim K 140 Two Axis ystem Diagram K 140 AIOT YTM ev. 1

15 D.C. C. O ITC IFOMATIO Introduction T COODIA 2 MI. 0 AI KFC 140 D AV V AT D AM BAO Turn Coordinator Baro etting lideslope Deviation VO/OC/ AV/ Deviation Middle Marker ncoding Altimeter tatic ressure TIM FAI KC 140 Two Axis with Altitude reselect Computer/Controller/ Annunciator contains computer functions, mode control buttons, and annunciations in a single unit. Also contains static pressure sensor and accelerometer. K 271C oll ervo 0 AV F Directional yro OB KI 204 or other Course Deviation Indicator (not included) K 270C itch ervo O K102A laved D K 272C itch Trim ervo 0 AV D KC 05 KI 525A ictorial avigation Indicator KMT 1 Flux Detector Autopilot Disconnect/ Trim Interrupt - + KC 55A laved Compass ystem (Optional) A CC MA C KA 51B laving Accessory Control heelteering (optional) Manual lectrical Trim ev. 1 K 140 Two Axis/Altitude reselect ystem Diagram K 140 AIOT YTM 7

16 Introduction ower Application and reflight Tests K 140 D AV V K 140 reflight Test K 140 D AV V A preflight test is performed upon power application to the computer. This test is a sequence of internal checks that validate proper system operation prior to allowing autopilot engagement. The preflight test (FT) sequence is indicated by FT with an increasing number for the sequence steps. uccessful completion of self test is identified by all display segments being illuminated (Display Test) and the disconnect tone sounding. K 140 reflight Test Complete For two-axis units only: 8 K 140 AIOT YTM OT: Following the preflight test, the red warning on the face of the autopilot may illuminate indicating that the pitch axis cannot be engaged. This condition should be temporary, lasting no more than 0 seconds. The will extinguish and normal operation will be available. OT: The red warning may illuminate when the autopilot is not engaged. This can occur when autopilot limits have been exceeded during turbulence or aircraft maneuvering. Autopilot engagement is locked out during red illumination. If power to the autopilot is cycled in flight (i.e. through the autopilot circuit breaker for instance) it is possible that a 5 minute delay may be necessary prior to autopilot engagement to allow the pitch axis accelerometer circuit to stabilize. ngagement prior to stabilization may result in mildly erratic pitch axis behavior. ev. 1

17 ingle Axis Operation K 140 ingle Axis Operation The K 140 is a high-performance digital, panel-mounted autopilot system for light aircraft. 7 8 K 140 D AV V ingle-axis Flight Control Computer K 140 D AV V Full ingle-axis K 140 Display 1. AIOT A/DI- A () BT - hen pushed, engages autopilot if all logic conditions are met. The autopilot will engage in the basic roll (O) mode which functions as a wing leveler. hen pressed again, will disengage the autopilot. For software version 0/01 and later, the button must be pressed and held for 0.25 seconds to engage the autopilot. 2. O AXI () ACIATIO - hen illuminated, indicates failure of the roll axis and will disengage the autopilot and not allow engagement.. ADI (D) MOD C- BT - hen pushed, will select the eading mode, which commands the airplane to turn to and maintain the heading selected by the heading bug on either the D or I. A new heading may be selected at any time and will result in the airplane turning to the new heading. Button can also be used to toggle between D and O modes. This button will engage the autopilot in units with software prior to software version 0/ AVIATIO (AV) MOD C BT - hen pushed, will arm the navigation mode. The mode provides automatic beam capture and tracking of VO, OC or as selected for presentation on the I or CDI. AV mode is recommended for enroute navigation tracking. ev. 2 May/02 K 140 AIOT YTM 9

18 ingle Axis Operation 5. OAC () MOD C BT - hen pushed, will arm the Approach mode. This mode provides automatic beam capture and tracking of VO, and OC, as selected for presentation on the I or CDI. mode is recommended for instrument approaches.. BACK CO OAC (V) MOD C BT - hen pushed, will arm the Back Course approach mode. This mode functions similarly to the approach mode except that the autopilot response to OC signals is reversed. 7. O MOD DIAY - Displays the active and armed roll modes (O, D, AV AM, AV, AM,, V AM, V). Also displayed will be flashing annunciation (5 seconds) at each autopilot disconnect accompanied by an aural tone (for 2 seconds). 8. AIOT AD () ACIATIO - Illuminates whenever the autopilot is engaged. Flashes during pilot initiated or automatic disengagement. Only applicable for software versions 0/01 or later. 10 K 140 AIOT YTM ev. 1

19 ingle Axis Operation This page intentionally left blank ev. 1 K 140 AIOT YTM 11

20 ingle Axis Operation ystem Operating Modes K 140 D AV V ing eveler (O) Mode D.C. C. In the roll mode, the autopilot maintains wings level flight. T COODIA 2 MI. 1. ngage autopilot - ress. For software version 0/01 and later, the button must be pressed and held for 0.25 seconds to engage the autopilot. O ITC IFOMATIO OT: The K 140 engages into O mode as a default. K 140 AIOT YTM ev. 2 May/02

21 ingle Axis Operation D.C. C. T COODIA 2 MI. O ITC IFOMATIO 0 K 140 D AV V eading elect (D) Mode In the heading mode, the autopilot will fly a selected heading. The following steps should be taken to operate in the heading mode: 1. Move the heading bug to the desired heading on the D or I using the eading elect knob ngage autopilot - ress. For software version 0/01 and later, the button must be pressed and held for 0.25 seconds to engage the autopilot.. Depress the D button on the K 140 to engage the heading select mode. The autopilot will turn the aircraft in the shortest direction to intercept and fly the heading. 4. If you move the heading bug again while the heading select mode is engaged, the autopilot will immediately turn the aircraft in the direction of the newly selected heading. 5. ress D button again and the autopilot will return to the O mode. ev. 2 May/02 K 140 AIOT YTM 1

22 ingle Axis Operation K 140 D AV V 0 D.C. C. T COODIA 2 MI. O ITC IFOMATIO avigation (AV) Mode sing a D from D Mode (45 Intercept) In the navigation (AV) mode, the autopilot intercepts and tracks VO/AV and courses. To arm AV mode (with the K 140 currently in the D mode): 1. elect the desired frequency for VO or AV. For, verify the desired waypoint or destination. 2. OB Knob - CT desired course.. AV Mode elector Button -. ote AV AM annunciated. OB 0 AV F OT: hen AV is selected, the autopilot will flash D for 5 seconds to remind the pilot to reset the D bug to the OB course. Check the heading displayed on the D against the magnetic compass and reset if necessary. 14 K 140 AIOT YTM ev. 1

23 ingle Axis Operation 4. eading elector Knob - OTAT B to agree with OB course. ote Instruments: CDI needle to left. Intercept heading 45 to the left of selected (heading bug) course. 5. If the Course Deviation Bar is greater than 2 to dots: the autopilot will annunciate AV AM; when the computed capture point is reached the AM annunciator will go out and the selected course will be automatically captured and tracked. If the D-Bar is less than 2 to dots: the D mode will disengage upon selecting AV mode; the AV annunciator will illuminate and the capture/ track sequence will automatically begin. ev. 1 K 140 AIOT YTM

24 ingle Axis Operation K 140 D AV V 0 D.C. C. T COODIA 2 MI. O ITC IFOMATIO avigation (AV) Mode sing a D from O Mode (All Angle Intercept) In the navigation (AV) mode, the autopilot intercepts and tracks VO/AV and courses. To arm AV mode (with the K 140 currently in the O mode): 1. Maneuver the aircraft to the desired intercept angle prior to selecting O mode. 2. elect the desired frequency for VO or AV. For, verify the desired waypoint or destination.. OB Knob - CT desired course. 4. AV Mode elector Button -. ote AV AM annunciated. AV OB 0 F OT: hen AV is selected, the autopilot will flash D for 5 seconds to remind the pilot to reset the D bug to the OB course. Check the heading displayed on the D against the magnetic compass and reset if necessary. 1 K 140 AIOT YTM ev. 1

25 ingle Axis Operation 5. eading elector Knob - OTAT B to agree with OB course. ote Instruments: CDI needle to left. Intercept heading 0 to the left of selected (heading bug) course.. If the Course Deviation Bar is greater than 2 to dots: the autopilot will annunciate AV AM; when the computed capture point is reached the AM annunciator will go out and the selected course will be automatically captured and tracked. If the D-Bar is less than 2 to dots: the O mode will disengage upon selecting AV mode; the AV annunciator will illuminate and the capture/ track sequence will automatically begin. ote: Intercept angles greater than 45 can result in course overshoot when close to the station. Therefore, intercept angles greater than 45 are not recommended. ev. 1 K 140 AIOT YTM 17

26 ingle Axis Operation K 140 D AV V 0 D.C. C. T COODIA 2 MI. O ITC IFOMATIO avigation (AV) Mode sing an I In the navigation (AV) mode, the autopilot intercepts and tracks VO/AV and courses. To arm AV mode (with the K 140 currently in the D mode): 1. elect the desired frequency for VO or AV. For, verify the desired waypoint or destination. 2. Course Bearing ointer - T to desired course.. eading elector Knob - T B to provide desired intercept angle. 4. AV Mode elector Button -. ote AV AM annunciated. 18 K 140 AIOT YTM ev. 1

27 ingle Axis Operation 5. If the Course Deviation Bar is greater than 2 to dots: the aircraft will continue in D mode (or O if D is not selected) with AV AM annunciated; when the computed capture point is reached D will disengage, the AM annunciator will go out and the selected course will be automatically captured and tracked. If the D-Bar is less than 2 to dots: the D mode (or O if D is not selected) will disengage upon selecting AV mode; the AV annunciator will illuminate and the capture/ track sequence will automatically begin. ote: Intercept angles greater than 45 can result in course overshoot when close to the station. Therefore, intercept angles greater than 45 are not recommended. ev. 1 K 140 AIOT YTM 19

28 ingle Axis Operation K 140 D AV V D.C. C. Approach () Mode sing a D from D Mode (45 Intercept) T COODIA The Approach () mode allows the autopilot to intercept and track OC, VO/AV and courses. 2 MI. O ITC IFOMATIO To arm mode (with the K 140 currently in the D mode): 1. elect the desired frequency for OC, VO or AV. For, verify the desired approach. 2. OB Knob - CT desired approach course. (For a localizer, set it to serve as a memory aid.) 0. Mode elector Button -. ote AM annunciated. OB 0 AV F OT: hen is selected, the autopilot will flash D for 5 seconds to remind the pilot to reset the D bug to the desired approach course. Check the heading displayed on the D against the magnetic compass and reset if necessary. 20 K 140 AIOT YTM ev. 1

29 ingle Axis Operation 4. eading elector Knob - OTAT B to agree with desired approach course. ote Instruments: CDI needle to left. Intercept heading 45 to the left of selected (heading bug) course. 5. If the Course Deviation Bar is greater than 2 to dots: the autopilot will annunciate AM; when the computed capture point is reached the AM annunciator will go out and the selected course will be automatically captured and tracked. If the D-Bar is less than 2 to dots: the D mode will disengage upon selecting mode; the annunciator will illuminate and the capture/ track sequence will automatically begin. ev. 1 K 140 AIOT YTM

30 ingle Axis Operation K 140 D AV V D.C. C. Approach () Mode sing a D from O Mode (All Angle Intercept) T COODIA The Approach () mode allows the autopilot to intercept and track OC, VO/AV and courses. 2 MI. O ITC IFOMATIO To arm mode (with the K 140 currently in the O mode): 0 1. Maneuver the aircraft to the desired intercept angle prior to selecting O mode. 2. elect the desired frequency for OC, VO or AV. For, verify the desired approach.. OB Knob - CT desired approach course. (For a localizer, set it to serve as a memory aid.) 4. Mode elector Button -. ote AM annunciated. AV OB 0 F 22 K 140 AIOT YTM OT: hen is selected, the autopilot will flash D for 5 seconds to remind the pilot to reset the D bug to the desired approach course. Check the heading displayed on the D against the magnetic compass and reset if necessary. ev. 1

31 ingle Axis Operation 5. eading elector Knob - OTAT B to agree with desired approach course. ote Instruments: CDI needle to left. Intercept heading 0 to the left of selected (heading bug) course.. If the Course Deviation Bar is greater than 2 to dots: the autopilot will annunciate AM; when the computed capture point is reached the AM annunciator will go out and the selected course will be automatically captured and tracked. If the D-Bar is less than 2 to dots: the O mode will disengage upon selecting mode; the annunciator will illuminate and the capture/ track sequence will automatically begin. ote: Intercept angles greater than 45 can result in course overshoot when close to the station. Therefore, intercept angles greater than 45 are not recommended. ev. 1 K 140 AIOT YTM 2

32 ingle Axis Operation K 140 D AV V 0 D.C. C. T COODIA 2 MI. O ITC IFOMATIO Approach () Mode sing an I The Approach () mode allows the autopilot to intercept and track OC, VO/AV and courses. To arm mode (with the K 140 currently in the D mode): 1. elect the desired frequency for OC, VO or AV. For, verify the desired approach. 2. Course Bearing ointer - T to desired course.. eading elector Knob - T B to provide desired intercept angle. 4. Mode elector Button -. ote AM annunciated. K 140 AIOT YTM ev. 1

33 ingle Axis Operation 5. If the Course Deviation Bar is greater than 2 to dots: the aircraft will continue in D mode (or O if D is not selected) with the AM annunciated; when the computed capture point is reached D mode will disengage, the AM annunciator will go out and the selected course will be automatically captured and tracked. If the D-Bar is less than 2 to dots: the D mode (or O if D is not selected) will disengage upon selecting mode; the annunciator will illuminate and the capture/track sequence will automatically begin. ote: Intercept angles greater than 45 can result in course overshoot when close to the station. Therefore, intercept angles greater than 45 are not recommended. ev. 1 K 140 AIOT YTM 25

34 ingle Axis Operation K 140 D AV V D.C. C. T COODIA Back Course (V) Mode sing a D from D Mode (45 Intercept) The Back Course (V) mode allows the autopilot to intercept and track a localizer back course. 2 MI. O ITC IFOMATIO 0 To arm V mode (with the K 140 currently in the D mode): 1. elect the desired frequency for OC. 2. OB Knob - CT front course inbound heading.. V Mode elector Button -. ote V AM annunciated. OB 0 AV F OT: hen V is selected, the autopilot will flash D for 5 seconds to remind the pilot to reset the D bug to the front course inbound heading. Check the heading displayed on the D against the magnetic compass and reset if necessary. 2 K 140 AIOT YTM ev. 1

35 ingle Axis Operation 4. eading elector Knob - OTAT B to agree with the FOT CO inbound heading. ote Instruments: CDI needle to the right. Intercept heading 45 to the left of the back course. 5. If the Course Deviation Bar is greater than 2 to dots: the autopilot will annunciate V AM; when the computed capture point is reached the AM annunciator will go out and the selected course will be automatically captured and tracked. If the D-Bar is less than 2 to dots: the D mode will disengage upon selecting V mode; the V annunciator will illuminate and the capture/ track sequence will automatically begin. ev. 1 K 140 AIOT YTM 27

36 ingle Axis Operation K 140 D AV V D.C. C. T COODIA Back Course (V) Mode sing a D from O Mode (All Angle Intercept) The Back Course (V) mode allows the autopilot to intercept and track a localizer back course. 2 MI. O ITC IFOMATIO To arm V mode (with the K 140 currently in the O mode): 1. Maneuver the aircraft to the desired intercept angle prior to selecting O mode. 2. elect the desired frequency for OC. 0. OB Knob - CT front course inbound heading. 4. V Mode elector Button -. ote V AM annunciated. OB 0 AV F OT: hen V is selected, the autopilot will flash D for 5 seconds to remind the pilot to reset the D bug to the front course inbound heading. Check the heading displayed on the D against the magnetic compass and reset if necessary. 28 K 140 AIOT YTM ev. 1

37 ingle Axis Operation 5. eading elector Knob - OTAT B to agree with the FOT CO inbound heading. ote Instruments: CDI needle to the right. Intercept heading 0 to the left of the back course.. If the Course Deviation Bar is greater than 2 to dots: the autopilot will annunciate V AM; when the computed capture point is reached the AM annunciator will go out and the selected course will be automatically captured and tracked. If the D-Bar is less than 2 to dots: the D mode will disengage upon selecting V mode; the V annunciator will illuminate and the capture/ track sequence will automatically begin. ote: Intercept angles greater than 45 can result in course overshoot when close to the station. Therefore, intercept angles greater than 45 are not recommended. ev. 1 K 140 AIOT YTM 29

38 ingle Axis Operation K 140 D AV V D.C. C. T COODIA Back Course (V) Mode sing an I The Back Course (V) mode allows the autopilot to intercept and track a localizer back course. 2 MI. O ITC IFOMATIO 0 To arm V mode (with the K 140 currently in the D mode): 1. elect the desired frequency for OC. 2. Course Bearing ointer - T to the FOT CO inbound heading.. eading elector Knob - T B to provide desired intercept angle. 4. V Mode elector Button -. ote V AM annunciated. 0 K 140 AIOT YTM ev. 1

39 ingle Axis Operation 5. If the Course Deviation Bar is greater than 2 to dots: the aircraft will continue in D mode (or O if D is not selected) with the V AM annunciated; when the computed capture point is reached D mode will disengage, the AM annunciator will go out and the selected course will be automatically captured and tracked. If the D-Bar is less than 2 to dots: the D mode (or O if D is not selected) will disengage upon selecting V mode; the V annunciator will illuminate and the capture/track sequence will automatically begin. ote: Intercept angles greater than 45 can result in course overshoot when close to the station. Therefore, intercept angles greater than 45 are not recommended. ev. 1 K 140 AIOT YTM 1

40 ingle Axis Operation OATIO IT T K 140 Takeoff And Climb To Assigned Altitude D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO O O K 140 K 140 D AV V D AV V 1. The aircraft is well off the ground and established at a desired climb rate. The heading bug on the D or I is turned to the desired heading of 080 (runway heading). By depressing the D button on the K 140, the autopilot engages into the heading mode and maintains the selected heading of 080. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). 2. The heading bug on the D or I is turned to the new desired heading of 010 and the aircraft begins to respond with an immediate left turn. 2 K 140 AIOT YTM ev. 1

41 0 ingle Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 O 0 O 0 K 140 K 140 D AV V D AV V. The autopilot is responding to the heading select mode with a left bank. 4. The autopilot has completed the turn and is now established on a 010 heading. ote: The autopilot controls only the roll axis. The IOT must maintain control of the pitch and yaw axis. ev. 1 K 140 AIOT YTM

42 ingle Axis Operation Capture sing D * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO F F OB 0 OB K 140 K 140 D AV V D AV V 1. Continuing on heading 010, a waypoint is established. A 0 intercept is desired. 2. The D button is depressed to select O mode which will allow an all angle intercept. data is selected for the CDI and the OB is set to 040. The AV button is depressed and AV AM is annunciated. O will change to D and flash for five seconds. O will then be redisplayed. hile the D annunciation is flashing, move the heading bug to the desired course of 040. The aircraft will remain wings level until the capture point. 4 K 140 AIOT YTM ev. 1

43 ingle Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F F OB OB K 140 K 140 D AV V D AV V. hen the computed capture point is reached, the O annunciation changes to AV and a right turn is initiated by the autopilot. 4. The turn is complete and the autopilot is tracking the course. ev. 1 K 140 AIOT YTM 5

44 ingle Axis Operation Capture sing I * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V D AV V 1. Continuing on heading 010, a waypoint is established. A 0 intercept is desired. 2. data is selected for the I. The course pointer is set to 040. The AV button is depressed and AV AM is annunciated. K 140 AIOT YTM ev. 1

45 40 0 ingle Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 K 140 K 140 D AV V D AV V. hen the computed capture point is reached, the D annunciation changes to AV and a right turn is initiated by the autopilot. 4. The turn is complete and the autopilot is tracking the course. ev. 1 K 140 AIOT YTM 7

46 ingle Axis Operation Outbound On Front Course For rocedure Turn To OC Approach sing D D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 AV 0 AV 0 F 0 F OB OB K 140 K 140 D AV V D AV V 1. The aircraft is heading 270 with heading engaged. To intercept and fly the OC front course outbound, set the front course on the OB and depress the back course (V) button. hile the D annunciation is flashing move the heading bug to the front course 058. ince D was active upon selection of V, the autopilot will initiate a 45 intercept to the localizer. In this case, the aircraft will turn to hen the computed capture point is reached, auto-intercept mode is cancelled, the reverse localizer mode is automatically activated and a left turn outbound on the localizer is initiated by the autopilot. ote: The left-right deviations of the CDI course deviation needle are reversed (you must turn right to center a deviation of the index to the left). This needle reversing takes place because you are flying outbound on a front course. 8 K 140 AIOT YTM ev. 1

47 ingle Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 AV AV 0 F 0 F 0 OB OB K 140 K 140 D AV V D AV V. At the desired point, D mode is used to initiate the procedure turn. elect D and set the heading bug to 28. During the procedure turn outbound, the CDI course index goes off scale to the right. The aircraft is flying away from the localizer centerline at a 45 angle on a selected heading of 28. * Check the heading displayed on the D against the magnetic compass and reset if necessary. 4. ow you have reset the heading bug to 10 and made a 180 turn to this heading. This 10 heading will intercept the front course of 058. You must now select the approach mode by depressing the button on the K 140. hile the D annunciation is flashing move the heading bug to the front course 058. ince the 45 intercept is 10, the aircraft will not turn until the front course is captured. ev. 1 K 140 AIOT YTM 9

48 ingle Axis Operation Outbound On Front Course For rocedure Turn To OC Approach sing I D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V D AV V 1. The aircraft is heading 270 with heading engaged. To intercept and fly the OC front course outbound, set the front course on the I and depress the back course (V) button. The back course (V) mode is selected to go outbound on the front course. The capture point is now being computed based on closure rate. 2. hen the computed capture point is reached, D mode is cancelled and reverse localizer mode is automatically activated and a left turn outbound on the localizer is initiated by the autopilot. ote: The left-right deviations of the I course needle operate just as though you were flying a front course approach. 40 K 140 AIOT YTM ev. 1

49 ingle Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V D AV V. At the desired point, D mode is used to initiate the procedure turn. elect D and set the heading bug to 28. During the procedure turn outbound, the deviation bar shows that the aircraft is flying away from the localizer centerline at a 45 angle on a selected heading of ow you have reset the heading bug to 10 and made a 180 turn to this heading. The 10 heading will intercept the front course of 058. You must now select the approach mode by depressing the button on the K 140. Automatic capture of the localizer will occur. ev. 1 K 140 AIOT YTM 41

50 ingle Axis Operation Front Course OC Approach sing D D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 OB 0 F OB K 140 K 140 D AV V D AV V 1. Continuing the maneuver on page 8, coupling occurs (D annunciation changes to ). The autopilot will capture the localizer and the CDI course index will center. 2. The autopilot is following the localizer. The autopilot will make the bank changes as necessary to maintain localizer. 42 K 140 AIOT YTM ev. 1

51 ingle Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 0 F OB OB K 140 K 140 D AV V D AV V. At the missed approach point, the pilot disengages the autopilot with the button on the control wheel. This cancels all operating modes. The flashing annunciations are displayed and a disconnect tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading mode, commencing a right turn to a heading of 090. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 4

52 ingle Axis Operation Front Course OC Approach sing I D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V D AV V 1. Continuing the maneuver on page 40, coupling occurs (D annunciation changes to ). The autopilot will capture the localizer and the CDI course index will center. 2. The autopilot is following the localizer. The autopilot will make bank changes as necessary to maintain localizer. 44 K 140 AIOT YTM ev. 1

53 ingle Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V D AV V. At the missed approach point, the pilot disengages the autopilot with the button on the control wheel. This cancels all operating modes. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading mode, commencing a right turn to a heading of 090. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 45

54 ingle Axis Operation Outbound on Approach sing D * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO F F OB OB K 140 K 140 D AV V AT D AV V AT 1. The aircraft is in mode approaching the IAF. Approach arm is indicated on the annunciator.* 2. pon waypoint alerting at the IAF, the heading bug is set to 28, the s eg/ob mode switching is set to OB mode and the OB is set to 28. The autopilot initiates a left turn to track the 28 course. 4 K 140 AIOT YTM ev. 1

55 ingle Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 F 0 OB OB K 140 K 140 D AV V AT D AV V AT. At the desired point, heading mode is used to initiate the procedure turn. During the procedure turn outbound, the deviation bar shows that the aircraft is flying away from the course at a 45 angle on a selected heading of 28. * Check the heading displayed on the D against the magnetic compass and reset if necessary. 4. The heading bug has been set to 10 and the aircraft has made a left turn to this heading. The s eg/ob mode switching is set to eg mode and the OB is set to 058. elect approach mode by depressing the button. *The D annunciation will flash for five seconds then extinguish. hile the D annunciation is flashing, move the heading bug to 058. ince the 45 intercept is 10, the aircraft will not turn until the course is captured. ev. 1 K 140 AIOT YTM 47

56 ingle Axis Operation Outbound on Approach sing I * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D AV V AT 1. The aircraft is in mode approaching the IAF. Approach arm is indicated on the annunciator.* 2. pon waypoint alerting at the IAF, the course pointer is set to 28, the s eg/ob mode switching is set to OB mode. The autopilot initiates a left turn to track the 28 course. 48 K 140 AIOT YTM ev. 1

57 ingle Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D AV V AT. At the desired point, heading mode is used to initiate the procedure turn. During the procedure turn outbound, the deviation bar shows that the aircraft is flying away from the course at a 45 angle on a selected heading of The heading bug has been set to 10 and the aircraft has made a left turn to this heading. The s eg/ob mode switching is set to eg mode and the course pointer is set to 058. elect approach mode by depressing the button. ev. 1 K 140 AIOT YTM 49

58 ingle Axis Operation Inbound on Approach sing D * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 OB 0 F OB K 140 K 140 D AV V AT D AV V AT 1. Continuing the maneuver on page 4, mode capture occurs. The autopilot initiates a left turn to track the 058 course. Approach active is indicated on the annunciator.* 2. The autopilot is following the course. The autopilot will make the bank changes as necessary to maintain the course. 50 K 140 AIOT YTM ev. 1

59 ingle Axis Operation FAF D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 OB 0 F OB K 140 K 140 D AV V AT D AV V AT. At the missed approach point, the pilot disengages the autopilot with the button on the control wheel. This cancels all operating modes. The flashing annunciations are displayed and a disconnect tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading mode, commencing a right turn to a heading of 090. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 51

60 ingle Axis Operation Inbound on Approach sing I * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D AV V AT 1. Continuing the maneuver on page 48, mode capture occurs. The autopilot initiates a left turn to track the 058 course.* Approach active is indicated on the annunciator.* 2. The autopilot is following the course. The autopilot will make the bank changes as necessary to maintain the course. 52 K 140 AIOT YTM ev. 1

61 ingle Axis Operation FAF D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D AV V AT. At the missed approach point, the pilot disengages the autopilot with the button on the control wheel. This cancels all operating modes. The flashing annunciations are displayed and a disconnect tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading mode, commencing a right turn to a heading of 090. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 5

62 ingle Axis Operation This page intentionally left blank 54 K 140 AIOT YTM ev. 1

63 Two Axis Operation K 140 Two Axis Operation The K 140 is a digital, panel-mounted autopilot system for light aircraft K 140 D AV V AT D Two-axis Flight Control Computer K D AV V AT D Full Two-Axis K 140 Display 1. ITC AXI, () ACIA - hen illuminated, indicates failure of the pitch axis and will disengage the autopilot when the failure occurs and not allow engagement of the pitch axis. 2. AIOT A/DI- A () BT - hen pushed, engages autopilot if all logic conditions are met. The autopilot will engage in the basic roll (O) mode which functions as a wing leveler and in the vertical speed (V) hold mode. The commanded vertical speed will be displayed in the upper right corner of autopilot display area. The captured V will be the vertical speed present at the moment of button press. hen pressed again, will disengage the autopilot. For software version 0/01 ev. 2 May/ and later, the button must be pressed and held for 0.25 seconds to engage the autopilot.. O AXI () ACIA - hen illuminated, indicates failure of the roll axis and will disengage the autopilot and not allow engagement. 4. ADI (D) MOD C- BT - hen pushed, will arm the eading mode, which commands the airplane to turn to and maintain the heading selected by the heading bug on either the D or I. A new heading may be selected at any time and will result in the airplane turning to the new heading. Button can also be used to toggle between D and O modes. This button will engage the autopilot in units with software prior to software version 0/01. K 140 AIOT YTM 55

64 Two Axis Operation 5. AVIATIO (AV) MOD C BT - hen pushed, will arm the navigation mode. The mode provides automatic beam capture and tracking of VO, OC or as selected for presentation on the I or CDI. AV mode is recommended for enroute navigation tracking. AV mode may also be used for front course OC tracking when tracking is not desired.. OAC () MOD C BT - hen pushed, will arm the Approach mode. This mode provides automatic beam capture and tracking of VO,, OC, and lideslope () on an I, as selected for presentation on the I or CDI. mode is recommended for instrument approaches. 7. BACK CO OAC (V) MOD C BT - hen pushed, will arm the Back Course approach mode. This mode functions similarly to the approach mode except that the autopilot response to OC signals is reversed, and is disabled. 8. ATITD OD (AT) MOD CT BT - hen pushed, will select the Altitude old mode. This mode provides tracking of the reference altitude. The reference altitude is the altitude at the moment the AT button is pressed. If the AT button is pressed with an established V rate present, there will be altitude overshoot (approximately 10% of the V rate), with the airplane returned positively to the reference altitude. This button will engage the autopilot in units with software prior to software version 0/ VTICA TIM (/D) BT- - The action of these buttons is dependent upon the vertical mode present when pressed. If V mode is active, button strokes will increment the vertical speed commanded either up or down at the rate of 100 ft/min per button press, or at the rate of approximately 00 ft/min per second if held continuously. If AT mode is active, incremental button strokes will move the altitude hold reference altitude either up or down at 20 feet per press, or if held continuously will command the airplane up or down at the rate of 500 ft/min, synchronizing the altitude hold reference to the actual airplane altitude upon button release. 10. VTICA D DIAY - Displays the commanded vertical speed in V mode. 11. ITC TIM (T) ACIA- TIO - A flashing T with arrows indicates the direction of required pitch trim. A solid T without an arrow head is an indication of a pitch trim fault. During manual electric trim operation (autopilot disengaged), detection of a stuck MT switch will be indicated by a solid T. hen the fault is corrected, the annunciation will extinguish. 5 K 140 AIOT YTM ev. 1

65 Two Axis Operation. ITC MOD DIAY - Displays the active and armed pitch modes (V, AT AM, AT, and. 1. O MOD DIAY - Displays the active and armed roll modes (O, D, AV AM, AV, AM,, V AM, V, AM). Also displayed will be flashing annunciation (5 seconds) at each autopilot disconnect accompanied by an aural tone (for 2 seconds). ystem Operating Modes The lateral modes (D, AV, and V) operate identically as described in the K 140 ingle Axis Operating Modes section. lease refer to that section for text descriptions of lateral mode operation. 14. AIOT AD () ACIATIO - Illuminates whenever the autopilot is engaged. Flashes during pilot initiated or automatic disengagement. Only applicable for software versions 0/01 or later. ev. 1 K 140 AIOT YTM 57

66 Two Axis Operation K 140 D AV V AT D Vertical peed (V) Mode The Vertical peed (V) mode allows variable vertical speed climbs and descents. The AT button toggles between altitude hold and vertical speed modes. ote: The K 140 engages into V mode as a default. To operate in the V mode (with autopilot currently disengaged): 1. button - ress. ote O, V and current vertical speed is displayed. If no other modes are selected the autopilot will operate in the O and vertical speed hold modes. For software version 0/01 and later, the button must be pressed and held for 0.25 seconds to engage the autopilot. 2. or D button - elect desired climb or descent rate. ach button stroke will increment the vertical speed commanded up or down by 100 ft/min per button press, or at the rate of approximately 00 ft/min per second if held continuously. To initiate a climb or descent from Altitude old (AT) mode: 1. AT button - ress. ote AT changes to V and current vertical speed is displayed. 2. or D button - elect desired climb or descent rate. ach button stroke will increment the vertical speed commanded up or down by 100 ft/min per button press, or at the rate of approximately 00 ft/min per second if held continuously. ote: hen operating at or near the best rate of climb airspeed, at climb power settings, and using vertical speed hold, it is easy to decelerate to an airspeed where continued decreases in airspeed will result in a reduced rate of climb. Continued operation in vertical speed mode can result in a stall. 58 K 140 AIOT YTM ev. 2 May/02

67 Two Axis Operation K 140 D AV V AT D Altitude old (AT) Mode The Altitude old (AT) mode maintains the pressure altitude acquired upon selection of altitude hold. The AT button toggles between altitude hold and vertical speed modes. To operate in the AT mode (with autopilot currently in the Vertical peed mode): 1. AT button - ress. ote AT is annunciated and autopilot maneuvers to maintain pressure altitude acquired at button selection. 2. or D button - elect to change altitude. Incremented button strokes will move the reference altitude by 20 feet per press, or if held continuously will command a 500 ft/min altitude change, acquiring a new reference altitude upon button release. ote: Incremented altitude changes should be limited to 500 ft. of change. ev. 1 K 140 AIOT YTM 59

68 Two Axis Operation OATIO IT T K 140 Takeoff And Climb To Assigned Altitude D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO O O K 140 K 140 D AV V AT D D AV V AT D 1. The aircraft is well off the ground and established at a safe climb rate. The heading bug on the D or I is turned to the desired heading of 080 (runway heading). By depressing the D button on the K 140, the autopilot engages into the heading and vertical speed modes and maintains the selected heading of 080 and current rate of climb. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). 2. The heading bug on the D or I is turned to the new desired heading of 010 and the aircraft begins to respond with an immediate left turn. 0 K 140 AIOT YTM ev. 1

69 0 Two Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 O 0 O 0 K 140 K 140 D AV V AT D D AV V AT D. The autopilot is responding to the heading select mode with a left bank. The climb rate has been decreased, using the D button, in preparation for level off. 4. The autopilot has completed the turn and is now established on a 010 heading. Desired altitude has been reached, altitude hold (AT) has been engaged and the aircraft maintains the reference altitude. ev. 1 K 140 AIOT YTM 1

70 0 Two Axis Operation Capture sing D * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F F OB 0 OB K 140 K 140 D AV V AT D D AV V AT D 1. Continuing on heading 010, a waypoint is established. A 0 intercept is desired. 2. The D button is depressed to select O mode which will allow an all angle intercept. data is selected for the CDI and the OB is set to 040. The AV button is depressed and AV AM is annunciated. O will change to D and flash for five seconds. O will then be redisplayed. hile the D annunciation is flashing, move the heading bug to the desired course of 040. The aircraft will remain wings level until the capture point. 2 K 140 AIOT YTM ev. 1

71 Two Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 F F OB OB K 140 K 140 D AV V AT D D AV V AT D. hen the computed capture point is reached, the O annunciation changes to AV and a right turn is initiated by the autopilot. 4. The turn is complete and the autopilot is tracking the course. ev. 1 K 140 AIOT YTM

72 Two Axis Operation Capture sing I * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D D AV V AT D 1. Continuing on heading 010, a waypoint is established. A 0 intercept is desired. 2. data is selected for the I. The course pointer is set to 040. The AV button is depressed and AV AM is annunciated. 4 K 140 AIOT YTM ev. 1

73 Two Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO K 140 K 140 D AV V AT D D AV V AT D. hen the computed capture point is reached, the D annunciation changes to AV and a right turn is initiated by the autopilot. 4. The turn is complete and the autopilot is tracking the course. ev. 1 K 140 AIOT YTM 5

74 Two Axis Operation Outbound On Front Course For rocedure Turn To I Approach sing D D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 AV 0 AV 0 F 0 F OB OB K 140 K 140 D AV V AT D D AV V AT D 1. The aircraft is heading 270 with heading and altitude hold engaged. To intercept and fly the I front course outbound, set the front course on the OB and depress the reverse course (V) button. The D annunciation will flash for five seconds then extinguish. hile the D annunciation is flashing, move the heading bug to the front course 058. ince D was active upon selection of V, the autopilot will initiate a 45 intercept to the localizer. In this case, the aircraft will turn to hen the computed capture point is reached, auto-intercept mode is cancelled and reverse localizer mode is automatically activated and a left turn outbound on the localizer is initiated by the autopilot. ote: The left-right deviations of the CDI course deviation needle are reversed (you must turn right to center a deviation of the index to the left). This needle reversing takes place because you are flying outbound on a front course. K 140 AIOT YTM ev. 1

75 Two Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 AV AV 0 F 0 F 0 OB OB K 140 K 140 D AV V AT D D AV V AT D. At the desired point, D mode is used to initiate the procedure turn. elect D and set the heading bug to 28. During the procedure turn outbound, the CDI course index goes off scale to the right. The aircraft is flying away from the localizer centerline at a 45 angle on a selected heading of 28. * Check the heading displayed on the D against the magnetic compass and reset if necessary. 4. ow you have reset the heading bug to 10 and made a 180 turn to this heading. This 10 heading will intercept the front course of 058. You must now select the approach mode by depressing the button on the K 140. * The D annunciation will flash for five seconds then extinguish. hile the D annunciation is flashing, move the heading bug to the front course 058. ince the 45 intercept is 10, the aircraft will not turn until the front course is captured. ev. 1 K 140 AIOT YTM 7

76 Two Axis Operation Outbound On Front Course For rocedure Turn To I Approach sing I D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D D AV V AT D 1. The aircraft is heading 270 with heading and altitude hold engaged. To intercept and fly the I front course outbound, set the front course on the I and depress the back course (V) button. The back course (V) mode is selected to go outbound on the front course. The capture point is now being computed based on closure rate. 2. hen the computed capture point is reached, D mode is cancelled and reverse localizer mode is automatically activated and a left turn outbound on the localizer is initiated by the autopilot. ote: The left-right deviations of the I course needle operate just as though you were flying a front course approach. 8 K 140 AIOT YTM ev. 1

77 Two Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D D AV V AT D. At the desired point, D mode is used to initiate the procedure turn. elect D and set the heading bug to 28. During the procedure turn outbound, the deviation bar shows that the aircraft is flying away from the localizer centerline at a 45 angle on a selected heading of ow you have reset the heading bug to 10 and made a 180 turn to this heading. The 10 heading will intercept the front course of 058. You must now select the approach mode by depressing the button on the K 140. Automatic capture of the localizer will occur. ev. 1 K 140 AIOT YTM 9

78 Two Axis Operation Front Course I Approach sing D D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 F F OB OB K 140 K 140 D AV V AT D D AV V AT D 1. Continuing the maneuver on page, coupling occurs (D annunciation changes to ), and the glideslope mode is automatically armed. The autopilot will capture the localizer and the CDI course index will center. 2. The autopilot is following the localizer. At the outer marker, the glideslope deviation needle is at midscale. Altitude hold is automatically disengaged when the glideslope is captured. The AT annunciator extinguishes and is displayed. The autopilot will make pitch and bank changes as necessary to maintain localizer and glideslope. 70 K 140 AIOT YTM ev. 1

79 Two Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 0 F OB OB K 140 K 140 D AV V AT D D AV V AT D. At the middle marker, the pilot disengages the autopilot with the button on the control wheel. This cancels all operating modes. The flashing annunciationa are displayed and a disconnect tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading and vertical speed modes, commencing a right turn to a heading of 090 and maintaining the rate of climb existing at engagement. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 71

80 Two Axis Operation Front Course I Approach sing I D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D D AV V AT D 1. Continuing the maneuver on page 8, coupling occurs (D annunciation changes to ), and the glideslope mode is automatically armed. The autopilot will capture the localizer and the CDI course index will center. 2. The autopilot is following the localizer. At the outer marker, the glideslope deviation needle is at midscale. Altitude hold is automatically disengaged when the glideslope is captured. The AT annunciator extinguishes and is displayed. The autopilot will make pitch and bank changes as necessary to maintain localizer and glideslope. 72 K 140 AIOT YTM ev. 1

81 Two Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D D AV V AT D. At the middle marker, the pilot disengages the autopilot with the button on the control wheel. This cancels all operating modes. The flashing annunciations are displayed and a disconnect tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading and vertical speed modes, commencing a right turn to a heading of 090 and maintaining the rate of climb existing at engagement. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 7

82 Two Axis Operation Outbound on Approach sing D * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO F F OB OB K 140 K 140 D AV V AT D D AV V AT D 1. The aircraft is in mode approaching the IAF. Approach arm is indicated on the annunciator.* 2. pon waypoint alerting at the IAF, the heading bug is set to 28, the s eg/ob mode switching is set to OB mode and the OB is set to 28. The autopilot initiates a left turn to track the 28 course. 74 K 140 AIOT YTM ev. 1

83 Two Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 F 0 OB OB K 140 K 140 D AV V AT D D AV V AT D. At the desired point, heading mode is used to initiate the procedure turn. During the procedure turn outbound, the deviation bar shows that the aircraft is flying away from the course at a 45 angle on a selected heading of The heading bug has been set to 10 and the aircraft has made a left turn to this heading. The s eg/ob mode switching is set to eg mode and the OB is set to 058. elect approach mode by depressing the button. The D annunciation will flash for five seconds then extinguish. Move the heading bug within five seconds to 058. ince the 45 intercept is 10, the aircraft will not turn until the course is captured. ev. 1 K 140 AIOT YTM 75

84 Two Axis Operation Outbound on Approach sing I * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D D AV V AT D 1. The aircraft is in mode approaching the IAF. Approach arm is indicated on the annunciator.* 2. pon waypoint alerting at the IAF, the course pointer is set to 28, the s eg/ob mode switching is set to OB mode. The autopilot initiates a left turn to track the 28 course. 7 K 140 AIOT YTM ev. 1

85 Two Axis Operation D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D D AV V AT D. At the desired point, heading mode is used to initiate the procedure turn. During the procedure turn outbound, the deviation bar shows that the aircraft is flying away from the course at a 45 angle on a selected heading of The heading bug has been set to 10 and the aircraft has made a left turn to this heading. The s eg/ob mode switching is set to eg mode and the course pointer is set to 058. elect approach mode by depressing the button. ev. 1 K 140 AIOT YTM 77

86 Two Axis Operation Inbound on Approach sing D * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 OB 0 F OB K 140 K 140 D AV V AT D D AV V AT D 1. Continuing the maneuver on page 74, mode capture occurs. The autopilot initiates a left turn to track the 058 course. * Approach active is indicated on the annunciator. 2. At the FAF, AT is depressed to activate vertical speed mode. The desired descent rate is obtained using the D button. emember, speed needs to be controlled with the throttle. 78 K 140 AIOT YTM ev. 1

87 Two Axis Operation FAF D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 OB 0 F OB K 140 K 140 D AV V AT D D AV V AT D. At the MDA, the AT button is depressed causing the autopilot to level off and maintain a constant altitude. At the M the pilot disengages the autopilot with the button on the control wheel. A flashing annunciation is displayed and a distinctive tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading mode, commencing a right turn to a heading of 090. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 79

88 Two Axis Operation Inbound on Approach sing I * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D D AV V AT D 1. Continuing the maneuver on page 7, mode capture occurs. The autopilot initiates a left turn to track the 058 course. * Approach active is indicated on the annunciator. 2. At the FAF, AT is depressed to activate vertical speed mode. The desired descent rate is obtained using the D button. emember, speed needs to be controlled with the throttle. 80 K 140 AIOT YTM ev. 1

89 Two Axis Operation FAF D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 K 140 D AV V AT D D AV V AT D. At the MDA, the AT button is depressed causing the autopilot to level off and maintain a constant altitude. At the M the pilot disengages the autopilot with the button on the control wheel. A flashing annunciation is displayed and a distinctive tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading and vertical speed modes, commencing a right turn to a heading of 090 and maintaining the rate of climb existing at engagement. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 81

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91 Two Axis/Altitude reselect Operations K 140 Two Axis with Altitude reselect Operation The K 140 is a digital, panel-mounted autopilot system for light aircraft K 140 AM BAO D AV V AT D Two-axis w/altitude reelect Flight Control Computer 1 11 K 140 AM BAO 1 D AV V AT D Full K 140 Two-Axis with Altitude reselect Display 1. ITC AXI, () ACIA - hen illuminated, indicates failure of the pitch axis and will disengage the autopilot when the failure occurs and not allow engagement of the pitch axis. 2. AIOT A/DI- A () BT - hen pushed, engages autopilot if all logic conditions are met. The autopilot will engage in the basic roll (O) mode which functions as a wing leveler and in the vertical speed (V) hold mode. The commanded vertical speed is be displayed in the upper right corner of autopilot display area for three seconds after engagement or if either the or D button is pressed. The captured V will be the vertical speed present at the moment of button press. hen pressed again, will disengage the autopilot. For software version 0/01 ev. 2 May/02 and later, the button must be pressed and held for 0.25 seconds to engage the autopilot.. O AXI () ACIA - hen illuminated, indicates failure of the roll axis and will disengage the autopilot and not allow engagement. 4. ADI (D) MOD C- BT - hen pushed, will arm the eading mode, which commands the airplane to turn to and maintain the heading selected by the heading bug on either the D or I. A new heading may be selected at any time and will result in the airplane turning to the new heading. Button can also be used to toggle between D and O modes. This button will engage the autopilot in units with software prior to software version 0/01. K 140 AIOT YTM 10 8

92 Two Axis/Altitude reselect Operations 5. AVIATIO (AV) MOD C BT - hen pushed, will arm the navigation mode. The mode provides automatic beam capture and tracking of VO, OC or as selected for presentation on the I or CDI. AV mode is recommended for enroute navigation tracking. AV mode may also be used for front course OC tracking when tracking is not desired.. OAC () MOD C BT - hen pushed, will arm the Approach mode. This mode provides automatic beam capture and tracking of VO,, OC, and lideslope () on an I, as selected for presentation on the I or CDI. mode is recommended for instrument approaches. 7. BACK CO OAC (V) MOD C BT - hen pushed, will arm the Back Course approach mode. This mode functions similarly to the approach mode except that the autopilot response to OC signals is reversed, and is disabled. 8. ATITD OD (AT) MOD CT BT - hen pushed, will select the Altitude old mode. This mode provides tracking of the reference altitude. The reference altitude is the altitude at the moment the AT button is pressed. If the AT button is pressed with an established V rate present, there will be altitude overshoot (approximately 10% of the V rate), with the airplane returned positively to the reference altitude. This button will engage the autopilot in units with software prior to software version 0/ K 140 AIOT YTM 9. VTICA TIM (/D) BT- - The action of these buttons is dependent upon the vertical mode present when pressed. If V mode is active, the initial button stroke will bring up the commanded vertical speed in the display. ubsequent immediate button strokes will increment the vertical speed commanded either up or down at the rate of 100 ft/min per button press, or at the rate of approximately 00 ft/min per second if held continuously. If AT mode is active, incremental button strokes will move the altitude hold reference altitude either up or down at 20 feet per press, or if held continuously will command the airplane up or down at the rate of 500 ft/min, synchronizing the altitude hold reference to the actual airplane altitude upon button release. (ote that the altitude hold reference is not displayed. The display will continue to show the altitude alerter reference.) 10. OTAY KOB - sed to set the altitude alerter reference altitude; or may be used immediately after pressing the BAO button, to adjust the autopilot baro setting to match that of the airplane s altimeter when manual adjustment is required. (In some installations the baro setting is automatically synced to that of the altimeter.) 11. BAO T (BAO) BT - hen pushed and released, will change the display from the altitude alerter selected altitude to the baro setting display (either I or A) for seconds. If pushed and held for 2 seconds, will change the baro setting display from I to A or ev. 1

93 Two Axis/Altitude reselect Operations vice versa. Once the baro setting display is visible the rotary knobs may be used to manually adjust the baro setting if automatic baro correction is not available.. ATITD AM (AM) BT- - hen pushed will toggle altitude arming on or off. hen AT AM is annunciated, the autopilot will capture the altitude alerter displayed altitude (provided the aircraft is climbing or descending in V to the displayed altitude). hen the autopilot is engaged, AT arming is automatic upon altitude alerter altitude selection via the rotary knobs. ote that the alerter functions are independent of the arming process thus providing full time alerting, even when the autopilot is disengaged. 1. ATITD AT/VTI- CA D/BAO TTI DI- AY - ormally displays the altitude alerter selected altitude. If the or D button is pushed while in V hold, the display changes to the command reference for the V mode in FM for seconds. If the BAO button is pushed, the display changes to the autopilot baro setting in either I or A for seconds. OT: This display may be dashed for up to minutes on start up if a blind encoder is installed which requires a warm up period. reached. Once the selected altitude is reached a flashing AT illumination signifies that the 200 ft. safe band has been exceeded and will remain illuminated until 1000 ft. from the selected altitude. Associated with the visual alerting is an aural alert (5 short tones) which occurs 1000 feet from the selected altitude upon approaching the altitude and 200 feet from the selected altitude on leaving the altitude.. ITC TIM (T) ACIA- TIO - A flashing T with arrows indicates the direction of required pitch trim. A solid T without an arrow head is an indication of a pitch trim fault. During manual electric trim operation (autopilot disengaged), detection of a stuck MT switch will be indicated by a solid T. hen the fault is corrected, the annunciation will extinguish. 1. ITC MOD DIAY - Displays the active and armed pitch modes (V, AT, AM, AT and ). 17. O MOD DIAY - Displays the active and armed roll modes (O, D, AV AM, AV, AM,, V AM, V, AM). Also displayed will be flashing annunciation (5 seconds) at each autopilot disconnect accompanied by an aural tone (for 2 seconds). 14. ATITD AT (AT) ACIATIO - The AT annunciate is illuminated 1000 ft. prior to the selected altitude, extinguishes 200 ft. prior to the selected altitude and illuminates momentarily when the selected altitude is ev AIOT AD () ACIATIO - Illuminates whenever the autopilot is engaged. Flashes during pilot initiated or automatic disengagement. Only applicable for software versions 0/01 or later. K 140 AIOT YTM 85

94 Two Axis/Altitude reselect Operations ystem Operating Modes The lateral modes (D, AV, and V) operate identically as depicted in the K 140 ingle Axis Operating Modes section. lease refer to that section for text descriptions of lateral mode operation. K 140 AM BAO D AV V AT D Vertical peed (V) Mode The Vertical peed (V) mode allows variable speed climbs and descents. The AT button toggles between altitude hold and vertical speed modes. ote: The K 140 engages into V mode as a default. To operate in the V mode (with autopilot currently disengaged): 1. button - ress. ote O, V and current vertical speed is displayed. If no other modes are selected the autopilot will operate in the O and vertical speed hold modes. For software version 0/01 and later, the button must be pressed and held for 0.25 seconds to engage the autopilot. 2. or D button - elect desired climb or descent rate. ach button stroke will increment the vertical speed commanded up or down by 100 ft/min per button press, or at the rate of approximately 00 ft/min per second if held continuously. To initiate a climb or descent from Altitude old (AT) mode: 1. AT button - ress. ote AT 8 K 140 AIOT YTM changes to V and current vertical speed is displayed. 2. or D button - elect desired climb or descent rate. ach button stroke will increment the vertical speed commanded up or down by 100 ft/min per button press, or at the rate of approximately 00 ft/min per second if held continuously. ote: V command value will be displayed during Control heel teering (C) and for three seconds following V engagement or pressing the or D button. Both altitude and vertical speed utilize the same display area. Altitude is always displayed except during vertical speed selection. If the V command value is not displayed, pressing (and releasing) the or D button will not change the indicated altitude reference but will display the V command value. ote: hen operating at or near the best rate of climb airspeed, at climb power settings, and using vertical speed hold, it is easy to decelerate to an airspeed where continued decreases in airspeed will result in a reduced rate of climb. Continued operation in vertical speed mode can result in a stall. ev. 2 May/02

95 Two Axis/Altitude reselect Operations K 140 AM BAO D AV V AT D Altitude old (AT) Mode The Altitude old (AT) mode maintains the pressure altitude acquired upon selection of altitude hold. The AT button toggles between altitude hold and vertical speed modes. To operate in the AT mode (with autopilot currently in the Vertical peed mode): 1. AT button - ress. ote AT is annunciated and autopilot maneuvers to maintain pressure altitude acquired at button selection. 2. or D button - elect to change altitude. Incremented button strokes will move the reference altitude by 20 feet per press, or if held continuously will command a 500 ft/min altitude change, acquiring a new reference altitude upon button release. ote: Incremented altitude changes should be limited to 500 ft. of change. ev. 1 K 140 AIOT YTM 87

96 Two Axis/Altitude reselect Operations Altitude Alerting and reselect The Altitude reselect function allows capturing of a desired altitude and transferring into altitude hold. Manual input of desired altitude is accomplished through the rotary knobs on the faceplate of the K 140. The Altitude Alerting function will visually and aurally announce approaching, acquiring and deviation from a selected altitude. Altimeter etting Baro unit conversion Installations with remote baro input 1. BAO setting - CCK. depressing the BAO button will display the baro setting for three seconds. KFC 140 AM BAO The barometric pressure display can toggled between I and A as needed by the pilot. 1. BAO button - ress and hold for two seconds. KFC 140 AM BAO D AV V AT D D AV V AT D Installations without remote baro input pon successful completion of preflight test, the baro display will flash. 1. BAO setting - nter barometric setting using the rotary knobs O if correct as displayed, press BAO. Altitude Alerter The function of the Altitude Alerter is independent of the autopilot. 1. ATITD CT knob - OTAT until the desired altitude is displayed. KFC 140 AM BAO KFC 140 AM BAO D AV V AT D D AV V AT ote: It is recommended that the baro value be updated whenever the aircraft altimeter setting is changed. 88 K 140 AIOT YTM D ote: The AT annunciation is illuminated 1000 ft. prior to the selected altitude, extinguishes 200 ft. prior to the selected altitude and illuminates momentarily when the selected altitude is reached. Once the selected altitude is reached, a flashing AT illumination signifies that the 200 ft. safe band has been exceeded and will remain illuminated until 1000 ft. from the selected altitude. Associated with the visual ev. 1

97 Two Axis/Altitude reselect Operations alerting is an aural alert (five short tones) which occurs 1000 ft. from the selected altitude upon approaching the altitude and 200 ft. from the selected altitude on leaving the altitude. KFC 140 Altitude reselect 1. ATITD CT knob - OTAT until desired altitude is displayed. AM annunciation occurs automatically upon altitude selection when the autopilot is engaged. KFC Airplane - TABI desired vertical speed to intercept the selected altitude. KFC 140 D AV V AT. pon altitude capture, AT AM will extinguish and AT will be annunciated. ote: Altitude preselect captures are not recommended on non-precision approaches to capture the MDA. lideslope coupling will preclude an altitude capture on an I. KFC 140 D AV V AT D AV V AT D D D AM AM AM AM BAO BAO BAO BAO Voice Messaging The following standard voice messages will be annunciated as conditions warrant: 1. TIM I MOTIO, TIM I MOTIO - itch trim running for more than 5 seconds. 2. CCK ITC TIM - An out of trim condition has existed for seconds. a. Airplane Control heel - FIMY, press C and check for an out of pitch trim condition. Manually retrim as required. b. C button - A. c. AIOT OATIO - COTI if satisfied that the out of trim condition was temporary. DICOTI if evidence indicates a failure of the auto trim function. The following optional voice messages will be annunciated if the system is configured for voice messaging: 1. ATITD feet before approaching selected altitude. 2. AVI ATITD feet away, departing selected altitude.. AIOT - Autopilot has disengaged, either through pilot action or automatically. D AV V AT D ev. 1 K 140 AIOT YTM 89

98 Two Axis/Altitude reselect Operations OATIO IT T K 140 Takeoff And Climb To Assigned Altitude D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO O O K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. The aircraft is well off the ground and established at a safe climb rate. The heading bug on the D or I is turned to the desired heading of 080 (runway heading). By depressing the D button on the K 140, the autopilot engages into the heading and vertical speed modes and maintains the selected heading of 080 and current rate of climb. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). 2. The heading bug on the D or I is turned to the new desired heading of 010 and the aircraft begins to respond with an immediate left turn. A cruise altitude of 7,000 feet is entered using the rotary knobs. Altitude AM annunciation occurs automatically upon selection. 90 K 140 AIOT YTM ev. 1

99 0 Two Axis/Altitude reselect Operations D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 O 0 O 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. The autopilot is responding to the heading select mode with a left bank. The climb rate has been decreased, using the D button, in preparation for level out. The vertical speed value will be displayed upon selection of the D button and will remain for three seconds. 4. Desired altitude has been reached and automatic altitude capture occurs. The autopilot has completed the turn and is now established on a 010 heading. ev. 1 K 140 AIOT YTM 91

100 0 Two Axis/Altitude reselect Operations Capture sing D * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F F OB 0 OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. Continuing on heading 010, a waypoint is established. A 0 intercept is desired. 2. The D button is depressed to select O mode which will allow an all angle intercept. data is selected for the CDI and the OB is set to 040. The AV button is depressed and AV AM is annunciated. O will change to D and flash for five seconds. O will then be redisplayed. hile the D annunciation is flashing, move the heading bug to the desired course of 040. The aircraft will remain wings level until the capture point. 92 K 140 AIOT YTM ev. 1

101 Two Axis/Altitude reselect Operations D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 F F OB OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. hen the computed capture point is reached, the O annunciation changes to AV and a right turn is initiated by the autopilot. 4. The turn is complete and the autopilot is tracking the course. ev. 1 K 140 AIOT YTM 9

102 Two Axis/Altitude reselect Operations Capture sing I * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. Continuing on heading 010, a waypoint is established. A 0 intercept is desired. 2. data is selected for the I. The course pointer is set to 040. The AV button is depressed and AV AM is annunciated. 94 K 140 AIOT YTM ev. 1

103 Two Axis/Altitude reselect Operations D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. hen the computed capture point is reached, the D annunciation changes to AV and a right turn is initiated by the autopilot. 4. The turn is complete and the autopilot is tracking the course. ev. 1 K 140 AIOT YTM 95

104 Two Axis/Altitude reselect Operations Outbound On Front Course For rocedure Turn To I Approach sing D D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 AV 0 AV 0 F 0 F OB OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. The aircraft is heading 270 with heading and altitude hold engaged. To intercept and fly the I front course outbound, set the front course on the OB and depress the reverse course (V) button. The D annunciation will flash for five seconds then extinguish. hile the D annunciation is flashing, move the heading bug to the front course 058. ince D was active upon selection of V the autopilot will initiate a 45 intercept to the localizer signal. In this case, the aircraft will turn to hen the computed capture point is reached, auto intercept mode is cancelled and reverse localizer mode is automatically activated and a left turn outbound on the localizer is initiated by the autopilot. ote: The left-right deviations of the CDI course deviation needle are reversed (you must turn right to center a deviation of the index to the left). This needle reversing takes place because you are flying outbound on a front course. 9 K 140 AIOT YTM ev. 1

105 Two Axis/Altitude reselect Operations D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 AV AV 0 F 0 F 0 OB OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. At the desired point, D mode is used to initiate the procedure turn. elect D and set the heading bug to 28. During the procedure turn outbound, the CDI course index goes off scale to the right. The aircraft is flying away from the localizer centerline at a 45 angle on a selected heading of 28. * Check the heading displayed on the D against the magnetic compass and reset if necessary. ev ow you have reset the heading bug to 10 and made a 180 turn to this heading. This 10 heading will intercept the front course of 058. You must now select the approach mode by depressing the button on the K 140. * The D annunciation will flash for five seconds then extinguish. hile the D annunciator is flashing, move the heading bug to the front course 058. ince the 45 intercept is 10, the aircraft will not turn until the front course is captured. K 140 AIOT YTM 97

106 Two Axis/Altitude reselect Operations Outbound On Front Course For rocedure Turn To I Approach sing I D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. The aircraft is heading 270 with heading and altitude hold engaged. To intercept and fly the I front course outbound, set the front course on the I and depress the back course (V) button. The back course (V) mode is selected to go outbound on the front course. The capture point is now being computed based on closure rate. 2. hen the computed capture point is reached, D mode is cancelled and reverse localizer mode is automatically activated and a left turn outbound on the localizer is initiated by the autopilot. ote: The left-right deviations of the I course needle operate just as though you were flying a front course approach. 98 K 140 AIOT YTM ev. 1

107 Two Axis/Altitude reselect Operations D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. At the desired point, D mode is used to initiate the procedure turn. During the procedure turn outbound, the deviation bar shows that the aircraft is flying away from the localizer centerline at a 45 angle on a selected heading of ow you have reset the heading bug to 10 and made a 180 turn to this heading. The 10 heading will intercept the front course of 058. You must now select the approach mode by depressing the button on the K 140. Automatic capture of the localizer will occur. ev. 1 K 140 AIOT YTM 99

108 Two Axis/Altitude reselect Operations Front Course I Approach sing D D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 F F OB OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. Continuing the maneuver on page 9, coupling occurs (D annunciation changes to ), and the glideslope mode is automatically armed. The autopilot will capture the localizer and the CDI course index will center. 2. The autopilot is following the localizer. At the outer marker, the glideslope deviation needle is at midscale. Altitude hold is automatically disengaged when the glideslope is captured. The AT annunciator extinguishes and is displayed. The autopilot will make pitch and bank changes as necessary to maintain localizer and glideslope. 100 K 140 AIOT YTM ev. 1

109 Two Axis/Altitude reselect Operations D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 0 F OB OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. At the middle marker, the pilot disengages the autopilot with the button on the control wheel. This cancels all operating modes. The flashing annunciations are displayed and a disconnect tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading and vertical speed modes, commencing a right turn to a heading of 090 and maintaining the rate of climb existing at engagement. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 101

110 Two Axis/Altitude reselect Operations Front Course I Approach sing I D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. Continuing the maneuver on page 98, coupling occurs (D annunciation changes to ), and the glideslope mode is automatically armed. The autopilot will capture the localizer and the CDI course index will center. 2. The autopilot is following the localizer. At the outer marker, the glideslope deviation needle is at midscale. Altitude hold is automatically disengaged when the glideslope is captured. The AT annunciation extinguishes and is displayed. The autopilot will make pitch and bank changes as necessary to maintain localizer and glideslope. 102 K 140 AIOT YTM ev. 1

111 Two Axis/Altitude reselect Operations D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. At the middle marker, the pilot disengages the autopilot with the button on the control wheel. This cancels all operating modes. The flashing annunciations are displayed and a disconnect tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading and vertical speed modes, commencing a right turn to a heading of 090 and maintaining the rate of climb existing at engagement. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 10

112 Two Axis/Altitude reselect Operations Outbound on Approach sing D * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO F F OB OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. The aircraft is in mode approaching the IAF. Approach arm is indicated on the annunciator.* 2. pon waypoint alerting at the IAF, the heading bug is set to 28, the s eg/ob mode switching is set to OB mode and the OB is set to 28. The autopilot initiates a left turn to track the 28 course. 104 K 140 AIOT YTM ev. 1

113 Two Axis/Altitude reselect Operations D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 F 0 OB OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. At the desired point, heading mode is used to initiate the procedure turn. During the procedure turn outbound, the deviation bar shows that the aircraft is flying away from the course at a 45 angle on a selected heading of 28. * Check the heading displayed on the D against the magnetic compass and reset if necessary. 4. The heading bug has been set to 10 and the aircraft has made a left turn to this heading. The s eg/ob mode switching is set to eg mode and the OB is set to 058. elect approach mode by depressing the button. *The D annunciation will flash for five seconds then extinguish. hile the D annunciation is flashing, move the heading bug to 058. ince the 45 intercept is 10, the aircraft will not turn until the course is captured. ev. 1 K 140 AIOT YTM 105

114 Two Axis/Altitude reselect Operations Outbound on Approach sing I * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. The aircraft is in mode approaching the IAF. Approach arm is indicated on the annunciator.* 2. pon waypoint alerting at the IAF, the course pointer is set to 28, the s eg/ob mode switching is set to OB mode. The autopilot initiates a left turn to track the 28 course. 10 K 140 AIOT YTM ev. 1

115 Two Axis/Altitude reselect Operations D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. At the desired point, heading mode is used to initiate the procedure turn. During the procedure turn outbound, the deviation bar shows that the aircraft is flying away from the course at a 45 angle on a selected heading of The heading bug has been set to 10 and the aircraft has made a left turn to this heading. The s eg/ob mode switching is set to eg mode and the course pointer is set to 058. elect approach mode by depressing the button. ev. 1 K 140 AIOT YTM 107

116 Two Axis/Altitude reselect Operations Inbound on Approach sing D * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 OB 0 F OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. Continuing the maneuver on page 104, mode capture occurs. The autopilot initiates a left turn to track the 058 course. * Approach active is indicated on the annunciator. 2. At the FAF, AT is depressed to activate vertical speed mode. The desired descent rate is obtained using the D button. emember, speed needs to be controlled with the throttle. 108 K 140 AIOT YTM ev. 1

117 Two Axis/Altitude reselect Operations FAF D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 F 0 OB 0 F OB K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. At the MDA, the AT button is depressed causing the autopilot to level off and maintain a constant altitude. At the M the pilot disengages the autopilot with the button on the control wheel. A flashing annunciation is displayed and a distinctive tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading and vertical speed modes, commencing a right turn to a heading of 090 and maintaining the rate of climb existing at engagement. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 2 May/02 K 140 AIOT YTM 109

118 Two Axis/Altitude reselect Operations Inbound on Approach sing I * Description of operation based on Bendix/King receiver. Others may require different operation. D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D 1. Continuing the maneuver on page 10, mode capture occurs. The autopilot initiates a left turn to track the 058 course. * Approach active is indicated on the annunciator. 2. At the FAF, AT is depressed to activate vertical speed mode. The desired descent rate is obtained using the D button. emember, speed needs to be controlled with the throttle. 110 K 140 AIOT YTM ev. 1

119 Two Axis/Altitude reselect Operations FAF D.C. C. D.C. C. T COODIA T COODIA 2 MI. O ITC IFOMATIO 2 MI. O ITC IFOMATIO 0 0 K 140 AM BAO K 140 AM BAO D AV V AT D D AV V AT D. At the MDA, the AT button is depressed causing the autopilot to level off and maintain a constant altitude. At the M the pilot disengages the autopilot with the button on the control wheel. The flashing annunciations are displayed and a distinctive tone will sound. 4. The pilot initiates the missed approach and stabilizes the aircraft in the climb. The heading bug is set to the missed approach heading of 090. By depressing the D button on the K 140, the autopilot engages into the heading and vertical speed modes, commencing a right turn to a heading of 090 and maintaining the rate of climb existing at engagement. ote: ress and hold the button for 0.25 seconds to engage the autopilot (applicable only to software version 0/01 and later). ev. 1 K 140 AIOT YTM 111

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121 KC 55A Compass ystem KC 55A Compass ystem The KC 55A Compass ystem, which includes the KA 51B laving Control and Compensator nit, the KMT 1 Magnetic laving Transmitter and the K 102 Directional yro as well as the KI 525A ictorial avigation Indicator is an optional part of the K 140 Autopilot ystem. The panel-mounted KI 525A I combines the display functions of both the standard Directional yro and the Course Deviation Indicator s VO/OC/lideslope information to provide the pilot with a single presentation of the complete horizontal navigation situation. This greatly simplifies course orientation, interception and tracking, while eliminating the need for scan coordination between two separate indicators. - A + MA 0 AV D CC C KA 51B KI 525A KC 05 K 102A KMT 1 ev. 0 Jun/98 KC 55A Compass ystem K 140 AIOT YTM 11

122 KC 55A Compass ystem KI 525A Indicator The KI 525A ictorial avigation Indicator is the panel display for the KC 55A Compass ystem. It replaces the standard Directional yro and Course Deviation Indicator (CDI) in the aircraft s panel, combining slaved heading and VO/OC/lideslope information into one compact display. By providing a simple, comprehensive visual presentation of the aircraft s heading and position in relation to a desired course, the pilot s navigation workload is considerably reduced. AV warning Flag ubber ine Compass arning Flag eading elect Bug Dual lideslope ointers 0 AV D Course elect ointer To-From Indicator ymbolic Aircraft VO and OC Deviation Bar lideslope Deviation cale eading elect Knob Course elect Knob VO/OC Deviation cale Compass Card KI 525A ictorial avigation Indicator Description of Indicator and Display Functions Compass Card - esponding to the input from the slaved directional gyro, this card rotates within the display so that the aircraft heading is always at the top, under the lubber line. ubber ine - A fixed white marker at the top of the display that indicates aircraft magnetic heading on the compass card. ymbolic Aircraft - A fixed representation of the actual aircraft. This miniature aircraft always points toward the top of the display and the lubber line. 114 K 140 AIOT YTM ev. 0 Jun/98

123 KC 55A Compass ystem elected Course ointer - On this two-part arrow, the head indicates the desired VO or ocalizer course and the tail indicates the reciprocal. This pointer is set by rotating the course select knob. Course elect Knob - sed to rotate the course pointer to the desired course on the compass card. This knob corresponds to the Omni Bearing elector (OB) on standard AV indicators. VO/AV and OC Deviation - This bar corresponds to the left/right needle on standard course deviation indicators. hen the aircraft is precisely on the VO radial or ocalizer course, it forms the center section of the selected course pointer and will be positioned under the symbolic aircraft. hen off course or approaching a new course, it will move to one side or the other. ince the entire VO and ocalizer display rotates with the compass card, the angular relationship between the deviation bar and the symbolic aircraft provides a pictorial symbolic display of the aircraft s position with respect to the selected course. Deviation cale - hen tuned to a VO frequency, each white dot represents two degrees of deviation left or right of course. hen tuned to a ocalizer, the deviation is 1/2 degree per dot. (hen data is selected for presentation, refer to the ilot s uide for the receiver.) eading elect Bug - A movable orange marker on the outer perimeter of the display, used primarily to select the desired heading you wish to fly. This desired heading is coupled to the K 140 Autopilot to provide the eading elect function. eading elect Knob - sed to rotate the heading select bug to a desired point on the compass card. To-From Indicator - A white triangle near the center of the display that indicates, with reference to the OB setting, whether the course selected is to or from the selected VO station and/or AV waypoint. Dual lideslope ointers - Chartreuse triangular pointers on either side of the display drop into view when a usable glideslope signal is received and retract out of view when the glideslope signal becomes marginal. During an I approach, these pointers represent the vertical orientation of the aircraft with respect to the center of the glideslope beam. hen on glideslope, the pointers will align with the center markers on the glideslope scale. lideslope Deviation cale - hite dots on each side of the display which, in conjunction with the glideslope pointers, indicate either above, below, or on glideslope during an I approach. ev. 0 Jun/98 K 140 AIOT YTM 1

124 KC 55A Compass ystem Compass arning Flag - A red flag labeled D becomes visible in the upper right quadrant of the display whenever the electrical power is inadequate or the directional gyro is not up to speed. Compass failures can occur which will not be annunciated by the D flag. Therefore, periodic comparison with the standby compass is advised. - A CC + MA C AV arning Flag - A red flag labeled AV becomes visible in the upper left quadrant of the display whenever a usable signal is not being received. laving Meter ( KA 51B) This meter indicates any difference between the displayed heading and the magnetic heading. ight or up deflection indicates a clockwise error of the compass card. eft or down deflection indicates a counterclockwise error of the compass card. henever the aircraft is in a turn and the card rotates, it is normal for this meter to show a full deflection to one side or another. OT: During level flight it is normal for the meter needle to continuously move from side to side and to be fully deflected during a turn. If the needle stays fully deflected, left or right, during level flight, the free gyro mode can be used to center it, as follows: KA 51B laving Meter lave and Free yro witch - hen the switch is in the A position, the system is in the slaved gyro mode. hen the switch is in the MA position, the system is in the free gyro mode. Clockwise Adjustment - hen the system is in the free gyro mode, holding the manual heading switch to the C position will rotate the compass card to the right to eliminate left compass card error. Counterclockwise Adjustment - hen the system is in the free gyro mode, holding the manual heading switch to the C position will rotate the compass card to the left to eliminate right compass card error. The KA 51B laving Control and Compensator nit is a small slaving accessory which can be used in installations where panel space is limited. The KA 51B can be mounted either vertically or horizontally. 11 K 140 AIOT YTM ev. 0 Jun/98

125 KC 55A Compass ystem KMT 1 Magnetic laving Transmitter This unit senses the direction of the earth s magnetic field and continuously transmits this information through the slaving circuitry to the directional gyro which is automatically corrected for precession or drift. This sensor is mounted remotely usually in a wingtip to eliminate the possibility of magnetic interference. KMT 1 Magnetic laving Transmitter K 102A Directional yro The directional gyro provides gyro stabilization for the system and contains the slaving circuitry necessary for operation of the system. ower may be for either 14 or 28 volts DC. This sensor is also remote mounted. KC 05 Operating Instructions 1. ntil power is applied to the KC 55A ystem, and the directional gyro is up to speed, a red flag labeled D will be visible in the upper right quadrant of the KI 525A Indicator. In operation, this warning flag will be visible whenever the power being supplied is inadequate or the gyro is not up to speed. 2. ith the application of power to the KC 55A ystem, and gyro up to operating speed, the red D flag should disappear from view. K 102A Directional yro. If the KC 55A ystem is in the slaved gyro mode, the compass card will automatically fast slave at the rate of 180 degrees per minute toward the aircraft s magnetic heading. (Immediately after applying power, this compass card movement should be quite visible.) It will continue to fast slave until the proper magnetic heading is indicated, after which it will slave at a constant rate of three degrees per minute to keep the system aligned with the earth s magnetic field. ev. 0 Jun/98 K 140 AIOT YTM 117

126 KC 55A Compass ystem nder some conditions it is possible for the system to stop slaving exactly 180 degrees from the correct heading. If this should occur, move the lave switch on the KA 51B to the unslaved (free) position. otate the compass card ±10 degrees from the incorrect heading by using the manual rotation switch and then return the system to slaved operation. The system will then slave to the correct heading. 4. For the free gyro operation, check the magnetic compass to determine the correct magnetic heading. Then use the manual slave switch to align the system with the earth s magnetic field. eriodic checks with the standby compass are recommended to check and correct for gyro precession. 5. ntil a usable navigation signal is being received by the AV system, a red flag labeled AV will be visible in the upper left quadrant of the KI 525A Indicator. In operation, this warning flag should be visible whenever an inadequate navigation signal is being received.. For normal navigation to or from a VO or VOTAC, set the AV receiver to the desired VO or VOTAC frequency and the red navigation flag (AV) should disappear from view if a usable signal is being received. 7. otate the course select knob to position the course pointer to the desired VO course. 8. The VO deviation bar represents the selected course, and the relationship of this bar to the symbolic aircraft in the center of the instrument visually presents the actual relationship of the selected course to your aircraft heading. (In other words, if the symbolic aircraft on the display indicates approaching the deviation bar at 45 degrees, that is the angle at which your aircraft is actually approaching the selected course. 9. To prepare for an I approach, tune the AV receiver to the desired ocalizer frequency. If a usable ocalizer signal is being received, the AV warning flag will disappear. 10. For a front or back course approach, rotate the course select knob to set the course pointer on the inbound ocalizer course. As with normal navigation (# above), the OC deviation bar represents the desired course. The relationship between this bar and the symbolic aircraft gives a true picture of your aircraft s position with respect to the ocalizer course. Always setting the course pointer to the inbound ocalizer course provides the correct deviation bar sensing whether flying a front or back course approach. 11. The glideslope deviation pointers should become visible on both sides of the display when a usable glideslope signal is received. If they do not come into view, a usable glideslope signal is not being received. 118 K 140 AIOT YTM ev. 0 Jun/98

127 KC 55A Compass ystem. The glideslope pointers indicate the relative position of the glideslope path with respect to the aircraft. (In other words, if the pointers are above the center marker, the aircraft is below the glideslope.) Abnormal Circumstances If the arning Flag (D) appears during operation, the compass card indications will be in error. ower may be removed from the K 102A Directional yro by pulling the appropriate circuit breaker. The elected Course, VO/OC Deviation Bar, the AV flag, and the To/From Indicator will remain in operation. If the avigation arning Flag (AV) appears during operation, there are several possibilities: (1) the AV receiver is not turned on, (2) the AV receiver is improperly tuned, () the ground VO or OC station is malfunctioning, (4) the aircraft is out of range of the selected ground station, or (5) the aircraft AV receiver has malfunctioned. (The compass card will continue to display the aircraft heading even if a usable AV signal is not being received. function normally even if a usable glideslope signal is not being received.) A continuous large deflection of the slaving meter or large discrepancies between the magnetic compass and the KI 525A compass card may indicate a failure in the slaving system. If a slaving failure should occur, the lave/free witch should be moved to select the free gyro mode. Then, by using manual clockwise or counterclockwise corrections, the compass can be rotated to the correct heading as indicated on the standby compass. The KC 55A system should continue to function normally except the heading information will be solely derived from the K 102A Directional yro. There will be no automatic heading correction and periodic adjustments must be made manually to correct for precession by reference to the standby magnetic compass, as with any directional gyro. ote: It is desirable to disconnect the autopilot under the following conditions: 1. D flag comes into view. 2. ystem is in fast slave.. During manual slaving. If the glideslope pointers remain out of view during a front course I approach, wither the aircraft glideslope receiver or the ground station glideslope transmitter is malfunctioning. lideslope is usually not available during a back course approach. (The VO and OC course display will continue to ev. 0 Jun/98 The system has the capability to supply the autopilot with an automatic disconnect signal under these conditions. ote: For system limitations in your particular aircraft type, refer to your Flight Manual upplement. K 140 AIOT YTM 119

128 KC 55A Compass ystem Flight rocedures with the KC 55A 0 0 The next few pages depict a normal flight departure from MKC enroute to T via Victor Airway V-. (The charts shown here are for illustration purposes only, not to be used for navigation.) Careful study of these illustration of the KI525A I should give you a better idea of how simple and comprehensive the display is. 1. Vectors to Intercept a adial After takeoff from Kansas City, we select a heading of 00 with the heading bug to intercept the 110 course to apoleon (AX) VO. elected course pointer is set on 110 with the course knob. The KI 525A I conveniently and accurately displays the intercept angle. 2. The VO deviation bar begins to center as we approach the 110 course to apoleon. The KI 525A I makes it possible to intercept the course smoothly, without overshooting or bracketing. One method of doing this is to adjust your heading so that the top of the deviation bar always touches the lubber line. As your aircraft heading approaches the new course, the deviation bar will swing towards the center and the angle of intercept will decrease. 0 K 140 AIOT YTM ev. 0 Jun/98

129 KC 55A Compass ystem Turn to Intercept a Victor Airway The indicator starts to swing to FOM as you fly over the apoleon VOTAC station. At this time, set the selected course pointer on the V- course of 088. As you begin your left turn to track V-, notice that the KI525A I continuously displays an accurate picture of the relationship between your aircraft and the AX 088 radial. Once again, you can make a precise, coordinated course interception by adjusting your heading to keep the top of the deviation bar touching the lubber line. ev. 0 Jun/98 4. hen the deviation bar is centered and aligned with the course arrow, you are on course. otice that correction for wind drift - in this case, a 080 heading on a 088 course - is completely automatic as long as you keep the deviation bar centered. K 140 AIOT YTM 5. About midway between apoleon and Columbia (CBI), you switch to the CBI VO and the /FOM indicator immediately swings to. Also note the course arrow should be moved from 088 to 090 which is the V- inbound course to CBI. 1

130 KC 55A Compass ystem 0 0. As you fly over the Columbia station, the /FOM indicator changes to FOM. ince the outbound course for V- from Columbia to Foristell (FTZ) is 098, you now set the selected course pointer on 098 and fly to keep the deviation bar centered. 7. ear the erman intersection you switch to Foristell VO- TAC and move the course arrow to 100, which is the V- inbound course to FTZ. The /FOM indicator changes to. 2 K 140 AIOT YTM ev. 0 Jun/98

131 KC 55A Compass ystem Airway Interception Your clearance is V- to Foristell, then V-14 to the t. ouis (T) VOTAC, direct ambert Field. Approaching the FTZ station, the heading bug is on 100 as a reference for the V- course or as heading command for the autopilot, if used. elect the t. ouis VOTAC on the AV receiver and set the course pointer on the T 02 course. 9. As you cross the Foristell VOTAC, the deviation bar will align with the course arrow. ow set the heading bug to 02 and turn left to follow V-14 to the T VO- TAC. 10. You are now established on V-14, flying to the T VO- TAC. Once again, if you fly to keep the deviation bar centered, correction for wind drift will automatically be accomplished. ote: For system limitations refer to your Flight Manual upplement. ev. 0 Jun/98 K 140 AIOT YTM