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KFC 500

Pilot’s Guide

Bendix/King

Dual Automatic Flight Control System

for the Model 430

006-18081-0000

June 1999

Summary of Contents for Bendix/King KFC 500

Page 1: ...KFC 500 Pilot s Guide Bendix King Dual Automatic Flight Control System for the Model 430 006 18081 0000 June 1999...

Page 2: ...national Inc Reproduction of this publication or any portion thereof by any means without the express written permission of Honeywell International Inc is prohibited For further information contact th...

Page 3: ...describing the operation of the push buttons the push but ton annunciators and the EADI annunciators to the following pages 20 23 25 26 27 30 31 37 46 47 50 51 53 56 57 59 60 61 63 64 65 67 68 69 71 7...

Page 4: ...Revision History R 2 June 15 1999 006 08769 0000...

Page 5: ...ol 14 SCAS Autopilot Disconnect 15 Force Trim Release FTR 15 Yaw Force Trim Release 16 Flight Director 17 SCAS Autopilot Flight Director Block Diagram 19 SCAS AP Operation Flight Director Installed 20...

Page 6: ...m and the electronic flight instrument system to enhance user friendliness as well as system annunciation This system combines complete stability augmen tation autopilot and optional flight director c...

Page 7: ...ete system familiarization and operating limitations available When the KFC 500 de couples a SCAS autopilot axis it both engages the affected servo brake and shuts off motor drive power pro viding dua...

Page 8: ...nchro Control Position Synchro Collective Control Position Synchro Trim Actuator Primary Roll Linear Actuator Trim Actuator Linear Actuator SCAS AP Remote Switches Annunciators MAN CW AUTO CCW KSG 105...

Page 9: ...on when the OFF annunciation is not illuminated Force Trim 2 OFF Depressing the FORCE TRIM 2 OFF switch located on the center pedestal just above the Mode Select Panel will turn power on or off to the...

Page 10: ...hese annunciators will mimic the ones located above the mode switches on the Mode Select Panel The brightness of the annunciator lamps on the mode con troller is adjusted automatically by a photocell...

Page 11: ...is used the aircraft will be commanded to follow the pilot s or copilot s input to roll left or roll right If within 6 of level flight when the switch is given a momentary push the first click will y...

Page 12: ...orce Trim System Power must be on to the selected system for the AP mode to engage Also the Force Trim Detent switches in the force feel system must not be activated for the primary AP mode to engage...

Page 13: ...ase switch Yaw FTR is pro vided for the primary system only Force Trim power 1 If the Force Trim System 1 is on and primary system selected depressing this switch releases the yaw clutch AFCS yaw axis...

Page 14: ...ive Control Position Synchro Trim Actuator Primary Roll Linear Actuator Trim Actuator Linear Actuator SCAS AP Remote Switches Annunciators MAN CW AUTO CCW KSG 105 1 DIR ECT I O N OF FLIG HT Secondary...

Page 15: ...led Flight Director modes will also be canceled and or not allowed when AP coupled and a roll or pitch trim failure has occurred Dual system SCAS AP operation when not coupled to the Flight Director i...

Page 16: ...the Flight Director is coupled to the autopilot AP ON the helicopter s attitude may be manually adjusted by pressing and holding the Force Trim Release FTR switch on the cyclic while repositioning th...

Page 17: ...Roll Attitude Hold Roll Rate of 7 per second Heading Select 16 Heading Bug movement per second Moving the switch forward adjusts the helicopter s pitch attitude down ward while moving it aft rearward...

Page 18: ...rector will provide commands to return to or maintain the steering required for these modes while FTR is held pressed the commands displayed will be synchronized to the heli copter s reference Flight...

Page 19: ...ctivated pilot acknowledgment of mode loss or another lateral mode is selected Bank Angle Limit BL The Bank Angle Limit mode allows the maximum commanded bank angle to be selected by the pilot The def...

Page 20: ...ately If the APR mode is active depressing the APR push button will deactivate the mode and revert the flight director back to the default mode of roll level and head ing hold Upon manual deactivation...

Page 21: ...be used to cancel the Altitude Hold mode at any time Upon manual deactivation the annunciator lamp above the ALT push button and the green ALT annunciation on the EADI will flash for five seconds This...

Page 22: ...stem commands pitch attitudes to maintain the vertical speed present at the time of engagement The reference vertical speed being flown is displayed on the EADI in the AFCS annunciation field and by t...

Page 23: ...atti tude rate must be less than or 45 15 per second in roll and or 15 10 per second in pitch and 15 per second in yaw for the AP mode to remain engaged If these limits are exceeded the autopilot will...

Page 24: ...re probe KDC 481T Air Data Computer The heart of the KAD 480 Air Data System the KDC 481T Central Air Data Computer processes pitot and static pressures and air temperature inputs and supplies the pro...

Page 25: ...t s current vertical speed The CBT switch may also be used to change the reference in ver tical speed mode The VS bug will move respectively The KAV 485 Altitude Vertical Speed Indicator provides cent...

Page 26: ...speed bug on the IVSI Note If the VS bug is in view when VS is engaged the preselected VS will be commanded If the bug is not in view when VS is engaged the helicopter s current VS will be main taine...

Page 27: ...s Guide provides a general description of the various operational characteristics of the dual KFC 500 Flight Control System However operation of the system should not be attempted without first revie...

Page 28: ...n selected system shall still be displayed until it has been selected and preflight test per formed Press the Attention SCAS AP PWR 1 SCAS AP PWR 2 Getter to extinguish the flash ing AFCS DISC IIDS an...

Page 29: ...set the Altitude Select display at 28 000 ft and will set the displayed aircraft altitude to 26 800 ft The aircraft s dis played altitude will then ramp up to the selected altitude at a 3500 ft per m...

Page 30: ...modified using the vertical and lateral command control Cyclic Beep Trim Attitude Hold Attitude Hold Operation maintains the helicopter s reference attitude not alti tude Note Arrows indicate externa...

Page 31: ...is released autopilot or Flight Director commands are synchronized to the heli copter s vertical reference Attitude Hold reference pitch attitude Altitude Hold reference altitude Vertical Speed refer...

Page 32: ...desired navigation source on the EHSI 2 Use the CRS knob to select the course to be tracked 3 Heading mode may be engaged to provide intercept guidance to the selected course Based on course and dista...

Page 33: ...roll command will be for roll level heading hold 3 After reaching a safe alti tude select another pitch mode if desired 4 When appropriate a new lateral mode and or vertical mode may be engaged to pr...

Page 34: ...20 10 10 10 10 ALT N 3 3 3 0 W 2 4 2 1 S 1 5 12 E 6 3 VS HDG 500 F M 2 After takeoff establish the appropriate climb attitude When a safe altitude has been reached activate the heading select mode by...

Page 35: ...used An ALERT annunciation and tone will occur momentarily when the selected altitude is reached The 010 heading has been acquired 3 At a safe altitude depress the AP push button on the mode select p...

Page 36: ...1 1 2 6 NM 117 95 CRS H AP HDG ALT RA DH 200 3000 FT LOC 20 20 20 20 10 10 10 10 N 3 3 30 W 24 2 1 S 1 5 1 2 E 6 3 2500 270 HDG 250 058 L O C 1 1 2 6 NM 117 95 CRS H AP BC ALT RA DH 2500 200 LOC N 3...

Page 37: ...the pilot via the collective 283 HDG 283 058 L O C 1 1 2 6 NM 117 95 CRS H AP HDG ALT RA DH 2500 200 3000 FT LOC 20 20 20 20 10 10 10 10 N 3 3 30 W 24 2 1 S 1 5 1 2 E 6 3 103 HDG 080 058 L O C 1 1 2...

Page 38: ...are approximately at midpoint At the glideslope capture point glideslope auto matically transitions from arm GS in white to coupled GS in green and alti tude hold or other vertical mode is disengaged...

Page 39: ...er flight director mode may be activated to complete the missed approach 3 The heading bug had previously been set to the missed approach head ing of 90 Depressing the HDG push button activates headin...

Page 40: ...the inbound heading for the localizer front course This course will be opposite the helicopter heading when inbound on a back course approach 2 When the computed capture point is reached the approach...

Page 41: ...you descend while the autopilot remains coupled With indicated airspeed hold IAS or vertical speed hold VS and back course approach BC mode the FTR switch or CBT switch may be used for modification o...

Page 42: ...perational Examples 74 March 27 1998 006 18081 0000 This page intentionally left blank 75 KFC 500 Dual SCAS Autopilot and single Flight Director Performance Specifications 006 18081 0000 March 27 1998...

Page 43: ...itude below 9 000 Ft MSL Mode Parameter KFC 500 Value Attitude Hold Pitch Command Profile 0 1G or 2 Deg Sec Pitch Hold Accuracy 3 Deg Smooth Air Roll Angle Limit 25 Deg Roll Command Rate Limit 12 Deg...

Page 44: ...Performance Specifications 78 March 27 1998 006 18081 0000 This page intentionally left blank...

Page 45: ...Honeywell International Inc One Technology Center 23500 West 105th Street Olathe Kansas 66061 FAX 913 712 1302 Telephone 913 782 0400 1998 1999 Honeywell International Inc 006 18081 0000 Rev 1 6 99 n...

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