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Honeywell KAP 140, Installation Manual

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Honeywell KAP 140 Installation Manual Download Page 10

10

 

 

System Operating Modes 

ROLL functions available with autopilot engaged  

 

Wing Leveler (ROL) Mode 

 

In the roll mode, the autopilot maintains wings level flight. 

 

 
 
 
 
 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Heading Select (HDG) Mode 

 
In the heading mode, the autopilot will fly a selected heading. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

1.  Engage  autopilot 

–  Press  and  hold  AP 

for 0.25 seconds to engage the autopilot.  
Note ROL, VS and current vertical speed is 
displayed.  If  no  other  modes  are  selected 
the  autopilot  will  operate  in  the  ROL  and 
vertical speed hold modes. 

 

 

Summary of Contents for KAP 140

Page 1: ...on is derived from the turn coordinator Pitch axis features include vertical speed glideslope and altitude hold along with altitude preselect option Pitch information is derived from a pressure sensor and accelerometer The KAP 140 Autopilot System operates independent of the aircraft s artificial horizon Therefore the autopilot retains roll stabilization and all vertical modes in the event of vacu...

Page 2: ...f 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 WARNING No Automatic Elevator Trim available Aircraft must be properly trimmed before engaging disengaging the autopilot ...

Page 3: ...epend upon quality of VOR beam being received LOC Tracking System will track without large bank angles keeping beam deviation to less than 25 of LOC Actual performance will depend upon quality of LOC beam being received Vertical Speed Stability 150 feet per minute Altitude Range 1000 to 35 000 ft Altitude Hold Stability 50ft Altitude Overshoot System will limit overshoot to less than 100 feet of s...

Page 4: ... self test is identified by all display segments being illuminated Display Test and the disconnect tone sounding Following the preflight test the red P 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 30 seconds The P will extinguish and normal operation will be available Red P and R warning...

Page 5: ...nated indicates failure of the roll axis and will disengage the autopilot and not allow engagement 4 HEADING HDG MODE SELECTOR BUTTON When pushed will arm the Heading mode which commands the airplane to turn to and maintain the heading selected by the heading bug on the DG 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 t...

Page 6: ... the altitude hold reference is not displayed The display will continue to show the altitude alerter reference 10 ROTARY KNOBS Used to set the altitude alerter reference altitude or may be used immediately after pressing the BARO button to adjust the autopilot baro setting to match that of the airplane s altimeter when manual adjustment is required 11 BARO SET BARO BUTTON When pushed and released ...

Page 7: ...erting 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 15 PITCH MODE DISPLAY Displays the active and armed pitch modes VS ALT ARM ALT and GS 16 AUTOPILOT ENGAGED AP ANNUNCIATION Illuminates whenever the autopilot is engaged Flashes during pilot initiated or automatic dise...

Page 8: ...g Enter barometric setting using the rotary knobs OR if correct as displayed press BARO Note triggering Barometric event FS default key is B will synchronize this unit s baro setting with the Altimeter baro setting Baro unit conversion The barometric pressure display can be toggled between IN HG and HPA as needed by the pilot 1 BARO button Press and hold for two seconds ...

Page 9: ...titude and illuminates momentarily when the selected altitude is reached Once the selected altitude is reached a flashing ALERT 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 five short tones which occurs 1000 ft from the selected altitude upon approaching ...

Page 10: ...ns wings level flight Heading Select HDG Mode In the heading mode the autopilot will fly a selected heading 1 Engage autopilot Press and hold AP for 0 25 seconds to engage the autopilot Note ROL VS and current vertical speed is displayed If no other modes are selected the autopilot will operate in the ROL and vertical speed hold modes ...

Page 11: ...the aircraft in the direction of the newly selected heading 5 Press HDG button again and the autopilot will return to the ROL mode In the navigation NAV mode the autopilot intercepts and tracks VOR RNAV and GPS courses To arm NAV mode with the KAP 140 currently in the HDG mode 1 Select the desired frequency for VOR or RNAV For GPS verify the desired waypoint or destination 2 OBS Knob SELECT desire...

Page 12: ... Bar is less than 2 to 3 dots the HDG mode will disengage upon selecting NAV mode the NAV annunciator will illuminate and the capture track sequence will automatically begin 6 Press NAV button again and the autopilot will return to the ROL mode Note it is important to understand that in installations with a DG the Heading Bug is supplying the OBS signal to the autopilot The CDI does not output the...

Page 13: ...n PRESS Note NAV ARM annunciated The autopilot will flash HDG for 5 seconds to remind the pilot to reset the HDG bug to the OBS course Check the heading displayed on the DG against the magnetic compass and reset if necessary 4 Heading Selector Knob ROTATE BUG to agree with OBS course If CDI needle is to the left desired intercept course should be 30º or greater to the left of selected Heading Bug ...

Page 14: ...ut the necessary signal strength for where the OBS card is set Therefore Heading Bug must correspond with desired VOR LOC GPS track When following a GPS flight plan the Heading Bug must be repositioned to the next waypoint course as soon as it is captured and the aircraft begins the turn towards the new track In the approach APR mode the autopilot intercepts and tracks VOR LOC ILS and GPS courses ...

Page 15: ...DI needle is to the right 5 If the Course Deviation Bar is greater than 2 to 3 dots the autopilot will annunciate APR ARM when the computed capture point is reached the ARM annunciator will go out and the selected course will be automatically captured and tracked If the D Bar is less than 2 to 3 dots the HDG mode will disengage upon selecting APR mode the APR annunciator will illuminate and the ca...

Page 16: ...captured if the LOC needle is deflected more than 3 dots in either left or right direction 6 Press AP to disengage the autopilot and cancel APR mode Note In this installation the Heading Bug is supplying the LOC reference signal to the autopilot Therefore Heading Bug must correspond with published LOC course In the approach APR mode the autopilot intercepts and tracks VOR LOC ILS and GPS courses T...

Page 17: ...I needle is to the left desired intercept course should be 30º or greater to the left of selected Heading Bug course and 30º or greater to the right is CDI needle is to the right Intercept angles greater than 45 can result in course overshoot when close to the VOR station or LOC GPS signal Therefore intercept angles greater than 45 are not recommended 5 If the Course Deviation Bar is greater than ...

Page 18: ... is at midscale current Vertical Mode is automatically disengaged and the glideslope GS is captured The autopilot will make pitch and bank changes as necessary to maintain localizer and glideslope Note GS won t be captured if the LOC needle is deflected more than 3 dots in either left or right direction 6 Press AP to disengage the autopilot and cancel APR mode Note In this installation the Heading...

Page 19: ...e magnetic compass and reset if necessary 4 Heading Selector Knob ROTATE BUG to agree with the FRONT COURSE inbound heading When HDG stops flashing if CDI needle is to the left aircraft will turn to an intercept course 45º to the right of the back course and 45º to the left is CDI needle is to the right 5 If the Course Deviation Bar is greater than 2 to 3 dots the autopilot will annunciate REV ARM...

Page 20: ...EV mode allows the autopilot to intercept and track a localizer back course To arm REV mode with the KAP 140 currently in the ROL mode Maneuver the aircraft to the desired intercept angle prior to selecting ROL mode 1 Select the desired frequency for LOC ILS 2 OBS Knob SELECT front course inbound heading 3 REV Mode Selector Button PRESS Note REV ARM annunciated The autopilot will flash HDG for 5 s...

Page 21: ...than 2 to 3 dots the autopilot will annunciate REV ARM when the computed capture point is reached the ARM annunciator will go out and the back course will be automatically captured and tracked If the D Bar is less than 2 to 3 dots the ROL mode will disengage upon selecting REV mode the REV annunciator will illuminate and the capture track sequence will automatically begin The autopilot is followin...

Page 22: ...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 300 ft min per second if held continuously To initiate a climb or descent from Altitude Hold ALT mode 1 ALT button Press Note ALT changes to VS and current vertical speed is displayed 2 UP or DN button Select desired climb or descent rate Each button stroke will i...

Page 23: ...ncremented 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 Note Incremented altitude changes should be limited to 500 ft of change Altitude Alerting and Preselect The Altitude Preselect function allows capturing of a desired altitude and transferring into Al...

Page 24: ...y upon altitude selection when the autopilot is engaged 2 Airplane ESTABLISH desired vertical speed to intercept the selected altitude 3 Upon altitude capture ALT ARM will extinguish and ALT will be annunciated Altitude Arm To arm the capture of the current preselected altitude 1 ARM button Press Note ALT ARM is annunciated ...

Page 25: ..._LuaAPM_KeyDown bool L KAP140_LuaAPM_KeyUp bool HDG button L KAP140_LuaHDG_KeyDown bool L KAP140_LuaHDG_KeyUp bool NAV button L KAP140_LuaNAV_KeyDown bool L KAP140_LuaNAV_KeyUp bool APR button L KAP140_LuaAPR_KeyDown bool L KAP140_LuaAPR_KeyUp bool REV button L KAP140_LuaREV_KeyDown bool L KAP140_LuaREV_KeyUp bool ALT button L KAP140_LuaALT_KeyDown bool L KAP140_LuaALT_KeyUp bool DOWN button L KAP...

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