737 Flight Crew Operations Manual
Airplane General, Emergency
Equipment, Doors, Windows -
Controls and Indicators
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 1.30.11
ARM - (guarded position) allows forward flight attendant’s EMER EVAC switch
to initiate evacuation signal.
ON - activates evacuation signal at all locations.
YW273, YW274
3 Activation Switch
OFF - (guarded position) deactivates flight attendant’s EMER EVAC switch to
initiate evacuation signals. The flight compartment alert light illuminates and a
chime will sound if the flight attendant’s EMER EVAC switch is activated.
ARM - allows forward flight attendant’s EMER EVAC switch to initiate
evacuation signal.
ON - activates evacuation signal at all locations.
YK981 - YQ456
3 Horn Cutout
PUSH - silences the horn at that panel only.
4 Horn
Sounds when any activation switch is moved to ON.
September 15, 2016
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