Flight director off, Force trim release, Heading select – BendixKing KFC 500 User Manual

Page 31

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Operational Examples

52

53

March 27, 1998

006-18081-0000

006-18081-0000

June 15, 1999

Flight Director Off

Flight Director Off causes the flight director to declutter and the autopilot to
revert to Attitude Hold.

1.

Depress the FD OFF switch on the

cyclic.

2.

All flight director modes deactivate

and the command bars are removed
from view.

If the autopilot is engaged, Attitude Hold
mode becomes active. The pitch attitude
present at selection of FD OFF is main-
tained. Roll attitude defaults to roll
level/heading hold.

Force Trim Release

Pressing and holding the Force Trim
Release (FTR) switch disables the
autopilot system to allow pilot maneu-
vering of the helicopter. Once FTR 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:

reference vertical speed

IAS Hold:

reference airspeed

Roll:

sync to helicopter heading/roll level or roll attitude hold if
bank angle is greater than 6 degrees.

Heading Select

1.

Position the Heading Bug over the heading to be commanded by the

flight director.

2.

The HDG knob is used to move the heading bug on the EHSI. Depress

the HDG push button on the mode select panel to activate the flight director in
Heading Select mode (HDG). Flight director commands are provided to the
selected heading. Once heading mode has been activated, the CBT switch
can be used to move the heading bug.

FTR

FD OFF

000

HDG

000

359

V

O

R

1

1 2 . 6

NM

N

33

30

W

24

21

S

15

12

E

6

3

117.95

CRS

H

HDG

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