AUTOFLIGHT, CAT II
Description
Aircraft Operations Manual
3.1
O
PAGE
8
Jun 01/19
3.
CONTROLS AND INDICATORS
A13607
TURN knob/pitch wheel.
TURN knob.
The rate type TURN knob is spring loaded to return to a center detent position. The knob is used to manually
apply heading commands to FD/AP.
Moving TURN knob out of detent slews the HDG bug at a rate proportional to amount of knob displacement.
PITCH wheel.
Pitch wheel is spring loaded to return to a center detent position. The wheel is used to manually apply verti-
cal speed commands to FD/AP in steps of 50 ft.
Moving pitch wheel from detent resets vertical mode to VS (except in GS ”CAP” and ALTS mode) and then
slews vertical speed reference at rate proportional to the amount of wheel displacement.
AP XFR button.
The AP XFR button is a push
−
on/push
−
off transfer
switch. The button is normally not illuminated and
the AP uses signals from the left pilot side. When
pushed (AP XFR illuminted), transfer to right pilot
side takes place.
YD/AP engage levers.
The YD and AP engage levers are spring
loaded to DISENGAGED position. Moving
levers to ENGAGE position engages Yaw
Damper and Autopilot after a selftest period
of one (1) sec. YD may be engaged sepa-
rately. Moving AP lever to ENGAGED will
engage both YD and AP.
A
TURN
DN
UP
ENGAGED
DISENGAGED
YD
AP
A
AP CONTROL PANEL
Fig. 2 FGAS
−
controls and indicators