Copyright . The Boeing Company. See title page for details.
Automatic Flight -Controls and Indicators 737 Flight Crew Operations Manual
Master (MA) Flight Director Indicators (white letters)
If a F/D switch is ON, the light indicates which FCC is controlling the F/D modes.
.
illuminated – related FCC is controlling F/D modes.
.
extinguished – F/D modes are controlled from opposite FCC
.
both lights illuminated – each FCC is controlling modes for related F/D.
Flight Director (F/D) Switch
YC153, YC154
Left F/D switch activates command bars on the Captain’s attitude indicator. Right
F/D switch activates command bars on the First Officer’s attitude indicator.
YA613 - YA809, YC411 - YK104
Left F/D switch activates the command bar on the Captain’s attitude indicator.
Right F/D switch activates the command bar on the First Officer’s attitude
indicator.
ON –
.
in flight with A/P ON and F/Ds OFF, turning a F/D switch ON engages
F/D in currently selected A/P modes
.
displays FD in A/P status display if A/P is OFF or engaged in CWS
.
enables command bar display on related pilot’s attitude indicator
YC153, YC154
.
command bars are displayed if command pitch and/or roll modes are
engaged
YA613 - YA809, YC411 - YK104
.
command bars are displayed if command pitch and roll modes are
engaged
YA686, YA687
. on ground, arms pitch and roll modes for engagement in TO/GA and
wings level when TOGA switch is pushed.
YA613, YA626, YA721 - YK104
. on ground, arms pitch and roll modes for engagement in TO/GA and
HDG SEL when TOGA switch is pushed.
YC153, YC154
OFF – command bars retract from related pilot’s attitude indicator.
YA613 - YA809, YC411 - YK104
OFF – command bar retracts from related pilot’s attitude indicator.
Copyright . The Boeing Company. See title page for details.
4.10.20 June 1, 2005
Automatic Flight -Controls and Indicators
Autopilot / Autothrottle Controls
Autopilot Disengage Switch
Push –
.
disengages both autopilots
.
A/P disengage lights flash
.
A/P disengage warning tone sounds for a minimum of two seconds
.
second push extinguishes disengage lights and silences disengage
warning tone
.
if autopilot automatically disengages, extinguishes A/P Disengage lights
and silences A/P warning tone.
Autothrottle Disengage Switches
Push –
.
disengages autothrottle
.
A/T disengage lights flash
.
A/T ARM switch trips OFF
.
second press extinguishes A/T disengage lights
.
extinguishes A/T disengage lights after automatic A/T disengagement.
Takeoff/Go–Around (TO/GA) Switches
Push – engages AFDS and A/T in takeoff or go–around mode if previously armed.
Copyright . The Boeing Company. See title page for details.
Automatic Flight -Controls and Indicators
Autopilot / Autothrottle Indicators
Autopilot (A/P) Disengage Light
Illuminated (red) –
.
flashes and tone sounds when autopilot has disengaged
.
reset by pushing either disengage light or either A/P disengage switch
.
steady for any of following conditions:
.
stabilizer out of trim below 800 feet RA on dual channel approach
.
ALT ACQ mode inhibited during A/P go–around if stabilizer not trimmed for single A/P operation
.
disengage light test switch held in position 2
.
automatic ground system tests fail. Illuminated (amber) –
.
steady – disengage light test switch held in position 1.
YA686, YA687, YC411 - YD655
.
flashing – A/P automatically reverts to CWS pitch or roll while in CMD. Resets by pushing either light or selecting another mode.
Autothrottle (A/T) Disengage Light
Illuminated (red) –
.
flashing – autothrottle has disengaged
.
steady – disengage light test switch held in position 2.
Copyright . The Boeing Company. See title page for details.
4.10.22 June 1, 2005
Automatic Flight -Controls and Indicators 737 Flight Crew Operations Manual
Illuminated (amber) –
.
steady – disengage light test switch held in position 1
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：737NG机组操作手册Flight Crew Operations Manual FCOM 2(84)
