Electrical
. STANDBY POWER OFF light
Copyright . The Boeing Company. See title page for details.
6.20.20 June 1, 2005
Electrical -System Description 737 Flight Crew Operations Manual
Engines, APU
.
upper display unit
N1, N2, fuel flow, EGT, fuel quantity, oil pressure, oil temperature, oil quantity
.
thrust reversers
.
starter valves
.
right igniters
.
APU operation (start attempts not recommended above 25,000 feet)
Fire Protection
.
APU and engine fire extinguisher bottles
.
APU and engine fire detection system
YA686, YA687, YA801 - YA809, YD651 - YD655
.
Cargo fire extinguisher bottle
YA613, YA626, YA721, YA722, YC153 - YC413, YK101 - YK104
.
Cargo fire extinguisher bottles
Flight Instruments
.
Captain’s outboard display unit with primary flight display.
YA613, YA626, YC153 - YD655
.
Captain’s inboard display unit with navigation display
.
clocks
.
left EFIS control panel
YA613 - YC413, YK101 - YK104
.
Standby instruments
radio magnetic indicator (RMI), standby airspeed/altimeter, standby attitude indicator, standby magnetic compass YD651 - YD655
.
Standby instruments
integrated standby flight instrument display (ISFD), radio magnetic indicator (RMI), standby magnetic compass
Flight Management, Navigation
YC153 - YD655
.
left FMC
YA613, YA626
.
FMC
YA613, YA626, YC153 - YD655
.
left CDU
.
heading/track indications
.
VHF NAV No. 1
.
ILS No. 1
.
left IRS
Copyright . The Boeing Company. See title page for details.
Electrical -System Description 737 Flight Crew Operations Manual
.
left GPS
.
marker beacon
.
ADF No. 1
YA613, YA626, YA801 - YA809, YC411 - YD655
.
transponder No. 1
YA613, YA626, YC153 - YD655
.
DME No. 1
Fuel
.
crossfeed valve
.
engine fuel shutoff valves
.
spar fuel shutoff valve
.
FUEL VALVE CLOSED lights
.
fuel quantity indicators
Hydraulic Power
.
engine hydraulic shutoff valves
.
standby rudder shutoff valves
Landing Gear
.
inboard antiskid system
.
ANTISKID INOP light
.
parking brake
.
air/ground system
.
landing gear indicator lights
Warnings
.
stall warning system
.
aural warnings
.
master caution light recall
Basic Equipment Operating – Captain Instrument Panel
The standby power system utilizes the battery as a source of power to supply the below depicted flight instruments. All of the Captain’s instruments that are powered by standby power are integrally lighted on standby power
Copyright . The Boeing Company. See title page for details.
6.20.22 June 1, 2005
Electrical -System Description 737 Flight Crew Operations Manual
YA686 - YA809, YK101 - YK104
YA613, YA626, YC153 - YC413
Copyright . The Boeing Company. See title page for details.
June 1, 2005 6.20.23
Electrical -System Description 737 Flight Crew Operations Manual
YD651 - YD655
STANDBY POWER SWITCH - AUTO BATTERY SWITCH - ON AIRPLANE CONFIGURATION - IN FLIGHT WITH ONLY THE BATTERIES AND STANDBY BUSSES POWERED. INSTRUMENTS WHICH ARE USABLE THIS ILLUSTRATION SHOWS THE INSTRUMENTS INOPERATIVE INDICATES
Copyright . The Boeing Company. See title page for details.
6.20.24 March 28, 2005
737 Flight Crew Operations Manual
Over/Under – Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.11.1
Primary Engine Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.11.1
Total Air Temperature, Thrust Mode Display, Selected Temperature and Autothrottle Limit . . . . . . . . . . . . 7.11.3 N1 Indications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.11.4 Thrust Reverser Indications . . . . . . . . . . . . . . . . . . . . . . . . . . 7.11.7 Thermal Anti–Ice Indication . . . . . . . . . . . . . . . . . . . . . . . . . . 7.11.7 EGT Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.11.7 Engine Fail Alert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.11.9 Crew Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.11.9
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