BendixKing KFC 500 User Manual
Page 50
49
If the autopilot is engaged, the
pitch attitude present at selection of
NAV STBY is maintained. Roll atti-
tude defaults to roll-level/heading
hold. Attitude Hold mode becomes
active.
Force Trim Release
Force Trim Release (FTR) tem-
porarily disables the automatic flight
control system to allow pilot maneu-
vering of the helicopter while FTR is
depressed.
Flight Director commands are
synchronized to the helicopter’s verti-
cal reference while FTR is
depressed.
Once FTR is released, the flight
director vertical command is synchro-
nized to the vertical reference estab-
lished when released:
Attitude Hold:
pitch attitude.
Altitude Hold:
reference altitude.
Vertical Speed: reference vertical
speed.
Roll:
sync to helicopter
heading or roll
attitude hold if bank
angle is greater than
six degrees.
Heading Select
1.
Position the Heading Bug
over the heading to be tracked by the
flight director.
The HDG knob is used to
move the heading bug on
the HSI.
2.
Depress the HDG pushbutton
on the Autopilot Mode Select panel
to activate the flight director in
Heading Select mode (HDG).
Flight director commands are pro-
vided to the selected heading.
Once HDG mode has been acti-
vated, the CBT switch can be used
to move the Heading Bug.
FTR
HDG
☛
TST
BRT
1
2
1
SYNC
REF
DIR
N
A
V
A
R
C
H
S
I
V
O
R
1
CRS
090
11.0
NM
010°
KT
140
N
33
30
W
24
21
S
15
12
E
6
3
ı
HDG
IAS
AP
YD
TST
BRT
1
2
1
SYNC
REF
DIR
N
A
V
A
R
C
H
S
I
V
O
R
1
CRS
090
11.0
NM
040°
KT
140
20
10
20
10
20
10
20
10
N
33
30
W
24
21
S
15
12
E
6
3
SYNC
11.
5
11.
5