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Honeywell Bendix/King KFC 225 Pilot'S Manual Download Page 24

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KCS 55A Compass System

40

KFC 225 AUTOMATIC FLIGHT CONTROL  SYSTEM

Rev. 0

Apr/99

KFC 225 AUTOMATIC FLIGHT CONTROL  SYSTEM

General Emergency  Procedures

41

Rev. 0
Apr/99

General Emergency Procedures

Autopilot Malfunction

An autopilot, autopilot trim or manual electric trim malfunction may be recog-
nized as an uncommanded deviation in the airplane flight path or when there
is abnormal control wheel or trim wheel motion. The primary concern in react-
ing to an autopilot or trim malfunction, or to an automatic disconnect of the
autopilot, is in maintaining control of the airplane.  Immediately grasp the con-
trol wheel and press and hold down the A/P DISC/TRIM INTER switch
throughout the recovery.  Manipulate the controls as required to safely main-
tain operation of the airplane within all of its operating limitations.  

CAUTION: Refer to the Airplane Flight Manual or the Airplane Flight Manual
Supplement for your particular aircraft for pertinent emergency procedures.

1. You are outbound on the back localizer

course, having already set the course
pointer to the inbound front course at 238°.
The heading bug is preset at 193° for the
procedure turn. (Since there is usually no
glideslope signal on a back course, the
glideslope pointers are out of sight.)

If a back course approach is

required, it can be accomplished
as easily as a front course
approach. The course arrow
should always be set on the front
course inbound localizer course.
This will result is conventional pic-
torial deviation sensing even on
back course. The KI 525A display
gives you an accurate picture of
where you are at all times during
the approach and procedure turn.

2. During the procedure turn outbound, the

deviation bar shows pictorially that the air-
craft (as represented by the symbolic air-
craft in the center of the KI 525A) is flying
away from the localizer centerline at a 45°
angle when the heading bug is under the
lubber line. Note that left-right deviations of
the course bar give “fly-to” indicators, just
as on the front course.

3. Now you’ve reset the heading bug to 013°

and made a 180° turn to this heading. This
013° heading will intercept the back course.
The KI 525A clearly pictures the course you
are to intercept and the angle of intercep-
tion.

4. You have smoothly intercepted the back

course. Since the course arrow is set on the
front course (238°), the KI 525A shows a
true picture of the situation - flying inbound
on the back course. You may reset the
heading bug to 058° for easy reference.

Note: For system limitations refer to your
Flight Manual Supplement.

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BACK COURSE
APPROACH - (REV)

Summary of Contents for Bendix/King KFC 225

Page 1: ...KFC 225 Pilot s Guide Bendix King Automatic Flight Control System 006 18035 0000 Apr 99 N ...

Page 2: ...ll Inc All rights reserved Reproduction of this publication or any portion thereof by any means without the express written permission of Honeywell Internatinal Inc is prohibited For further information contact the Manager Technical Publications Honeywell One Technology Center 23500 West 105th Street Olathe Kansas 66061 Telephone 913 782 0400 ...

Page 3: ...T Modes 12 Altitude Hold ALT Mode 13 KFC 225 Detailed System Operation 14 Takeoff And Climb To Assigned Altitude 14 GPS Capture 16 Outbound On Front Course For Procedure Turn To ILS Approach 18 Front Course ILS Approach 20 Outbound on GPS Approach 22 Inbound on GPS Approach 24 KCS 55A Compass System 27 KI 525A Indicator 28 Description of Indicator and Display Functions 28 Slaving Meter KA 51B 30 K...

Page 4: ...ar altimeter to improve approach tracking It is significant that this Silver Crown Plus flight control system has been designed from the beginning to inter face with your Silver Crown Plus package of avionics Consider the advantage of having your avionics working together as an integrated system rather than as a group of unrelated components built by sev eral different manufacturers To fully utili...

Page 5: ...es Control Wheel Switches Aircraft Static Port KCM 100 Configuration Module Audio Alert A P Master Switch Trim Fail Annunciaor Remote Terminal I F Connector AFCS Maint Plug KC 225 Flight Computer AP VS ARM G KFC 225 HDG NAV APR REV ALT FD DN UP YD P R ALT SEL HDG AP YD APR NAV ARM GS REV ARM CAP ALT ALT GA VS TRIM KS 271C Yaw Servo KRG 331 or KRG 332 Rate Gyro Optional Yaw Axis ı KRG 332 RA TE GY ...

Page 6: ...he moment of FD button press When pressed again and the autopilot is not engaged will disen gage the flight director 5 HEADING HDG MODE SELECTOR BUTTON When pressed will engage the Heading mode which commands the airplane to turn to and maintain the heading selected by the heading bug on the HSI A new heading may be selected at any time and will result in the airplane turning to the new head ing B...

Page 7: ...If pressed when ALT hold mode is engaged will disengage the mode defaulting to PIT mode This button will engage the flight director KFC 225 AUTOMATIC FLIGHT CONTROL SYSTEM System Operation 7 Rev 0 Apr 99 10 VERTICAL TRIM UP DN BUT TONS The response of these but tons is dependent upon the vertical mode present when pressed If PIT mode is active successive button presses will move the pitch attitude...

Page 8: ... short tones is associated with the visual alerting This aural alert occurs 1 000 feet before a selected altitude while approaching it and 200 feet after leaving a selected altitude 16 PITCH TRIM PT ANNUNCIA TION A flashing PT with an accompanying arrow head is an indi cation that the request for auto trim has lasted longer than 16 seconds A solid PT without an arrowhead is an indication of a pitc...

Page 9: ...ote Glideslope coupling but not glideslope ARM will preclude an altitude capture on an ILS AP VS ARM G KFC 225 HDG NAV APR REV ALT FD DN UP YD P R ALT SEL AP VS ARM G KFC 225 HDG NAV APR REV ALT FD DN UP YD P R ALT SEL AP VS ARM G KFC 225 HDG NAV APR REV ALT FD DN UP YD P R ALT SEL Altitude Alerter The function of the Altitude Alerter is independent of the autopilot 1 ALTITUDE SELECT knob ROTATE u...

Page 10: ...LT mode 1 ALT button Press Note ALT changes to PIT referencing the present pitch attitude 2 UP or DN button Select desired climb or descent attitude Each button stroke will increment the pitch attitude by 0 5 To initiate a climb or descent from Altitude Hold ALT mode 1 VS button Press Note ALT changes to VS and current vertical speed is displayed 2 UP or DN button Select desired climb or descent r...

Page 11: ... AIR KFC 225 Detailed System Operation Takeoff And Climb To Assigned Altitude 3 The autopilot is responding to the heading select mode with a left bank 4 Selected altitude has been reached and auto matic altitude capture occurs The autopilot has completed the turn and is now established on a 010 heading 1 The aircraft is well off the ground and estab lished at a safe climb rate The heading bug on ...

Page 12: ...epressed and NAV ARM is annunciated GPS Capture GS GS ı NAV HDG AP VS ARM G KFC 225 HDG NAV APR REV ALT FD DN UP YD P R ALT SEL N 33 3 0 W 2 4 2 1 S 1 5 1 2 E 6 3 AIR ı DH 20 10 10 20 10 20 20 10 AIR GS GS ı NAV HDG AP VS ARM G KFC 225 HDG NAV APR REV ALT FD DN UP YD P R ALT SEL N 33 3 0 W 2 4 2 1 S 1 5 1 2 E 6 3 AIR ı DH 20 10 10 20 10 20 20 10 AIR GS GS ı NAV HDG AP VS ARM G KFC 225 HDG NAV APR ...

Page 13: ...PR REV ALT FD DN UP YD P R ALT SEL AIR ı DH 20 10 10 20 10 20 20 10 AIR N 1 2 3 4 270 058 238 283 103 1 The aircraft is heading 270 with heading and altitude hold engaged To intercept and fly the ILS front course outbound set the front course on the HSI and depress the back course REV button The back course REV mode is selected to go outbound on the front course The capture point is now being comp...

Page 14: ... REV ALT FD DN UP YD P R ALT SEL N 3 3 3 0 W 2 4 2 1 S 1 5 12 E 6 3 GS GS ı NAV HDG AP VS ARM G KFC 225 HDG NAV APR REV ALT FD DN UP YD P R ALT SEL AIR ı DH 20 10 10 20 10 20 20 10 AIR N 1 2 3 4 058 090 238 1 Continuing the Front Course for Procedure Turn to ILS Approach maneuver APR coupling occurs HDG annunciation changes to APR and the glideslope mode is automatically armed The autopilot will c...

Page 15: ...point alerting at the IAF the course pointer is set to 238 the GPS s Leg OBS mode switching is set to OBS mode The autopilot ini tiates a left turn to track the 238 GPS course N 3 3 30 W 24 2 1 S 1 5 1 2 E 6 3 GS GS ı NAV HDG AP VS ARM G KFC 225 HDG NAV APR REV ALT FD DN UP YD P R ALT SEL AIR ı DH 20 10 10 20 10 20 20 10 AIR N 33 3 0 W 24 21 S 15 1 2 E 6 3 GS GS ı NAV HDG AP VS ARM G KFC 225 HDG N...

Page 16: ... The autopilot initiates a left turn to track the 058 GPS course Approach active is indicated on the GPS annun ciator 2 At the FAF VS is depressed to activate vertical speed mode The desired descent rate is obtained using the DN button Remember speed needs to be controlled with the throttle Inbound on GPS Approach Description of GPS operation based on Bendix King GPS receiver Others may require di...

Page 17: ...display functions of both the standard Directional Gyro and the Course Deviation Indicator s VOR LOC Glideslope information to provide the pilot with a single pre sentation of the complete horizontal navigation situation This greatly simplifies course orientation inter ception and tracking while eliminat ing the need for scan coordination between two separate indicators N GS GS 33 3 0 W 2 4 2 1 S ...

Page 18: ...and or RNAV waypoint Dual Glideslope Pointers Chartreuse triangular pointers on either side of the display drop into view when a usable glideslope sig nal is received and retract out of view when the glideslope signal becomes marginal During an ILS approach these pointers represent the vertical orientation of the aircraft with respect to the center of the glideslope beam When on glides lope the po...

Page 19: ... upper right quadrant of the dis play whenever the electrical power is inadequate or the directional gyro is not up to speed Compass failures can occur which will not be annunci ated by the HDG flag Therefore periodic comparison with the standby compass is advised NAV Warning Flag A red flag labeled NAV becomes visible in the upper left quadrant of the display whenever a usable signal is not being...

Page 20: ...aircraft type refer to your Flight Manual Supplement KCS 55A Compass System 32 KFC 225 AUTOMATIC FLIGHT CONTROL SYSTEM Rev 0 Apr 99 Under some conditions it is possi ble for the system to stop slaving exactly 180 degrees from the cor rect heading If this should occur move the Slave switch on the KA 51B to the unslaved free position Rotate the compass card 10 degrees from the incorrect heading by u...

Page 21: ...12 notice that the KI525A HSI continuously dis plays an accurate picture of the relationship between your aircraft and the ANX 088 radial Once again you can make a pre cise coordinated course inter ception by adjusting your head ing to keep the top of the deviation bar touching the lub ber line 4 When the deviation bar is centered and aligned with the course arrow you are on course Notice that cor...

Page 22: ...fly to keep the deviation bar cen tered correction for wind drift will automatically be accom plished Note For system limitations refer to your Flight Manual Supplement KCS 55A Compass System 36 KFC 225 AUTOMATIC FLIGHT CONTROL SYSTEM Rev 0 Apr 99 6 As you fly over the Columbia station the TO FROM indica tor changes to FROM Since the outbound course for V 12 from Columbia to Foristell FTZ is 098 y...

Page 23: ...LS course 130 and the KI 525A shows the localizer course is directly ahead The glideslope pointers came into view when the ILS frequency was tuned since a usable glideslope signal is being received 2 Capturing the ILS course can be accom plished without overshooting or bracketing with the same technique you used in inter cepting an enroute course Simply keep the top of the deviation bar on the lub...

Page 24: ... If a back course approach is required it can be accomplished as easily as a front course approach The course arrow should always be set on the front course inbound localizer course This will result is conventional pic torial deviation sensing even on back course The KI 525A display gives you an accurate picture of where you are at all times during the approach and procedure turn 2 During the proc...

Page 25: ...General Emergency Procedures 42 KFC 225 AUTOMATIC FLIGHT CONTROL SYSTEM Rev 0 Apr 99 This page intentionally left blank ...

Page 26: ...Honeywell International Inc One Technology Center 23500 West 105th Street Olathe Kansas 66061 FAX 913 791 1302 Telephone 913 782 0400 006 18035 0000 Rev 0 4 99 N ...

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