MD-11 Flight Crew Operations Manual
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Emergency Equipment -
Description and Operation
Emer.10.4
Emergency Evacuation Warning System
The emergency evacuation warning system provides a means of signaling that an
evacuation of the aircraft should begin.
The EVAC control panel in the cockpit consists of the following:
• Flashing EVAC light.
• Horn.
• Evacuation horn shutoff switch.
• A 3-position evacuation signal switch (OFF/ON/ARM) that is guarded
from the ON position.
The system components in the cabin consists of the following:
• Guarded EVAC switch on the purser work station.
• Horn on the purser work station and left aft attendant panel.
• Evacuation horn shutoff switch on the purser work station and left aft
attendant panel.
• A flashing light on the purser work station and left aft attendant panel.
The warning is actuated with the emergency evacuation signal switch on the
cockpit forward overhead panel or with the EVAC switch on the purser work
station.
If the cockpit emergency evacuation signal switch is in the OFF position and the
EVAC switch at the purser work station is actuated, the flashing EVAC light in
the cockpit will illuminate and the Captain’s call chime will sound momentarily.
This will signal the flight crew to move the cockpit emergency evacuation signal
switch to the ON position. The evacuation horn will then sound.
Emergency Exits
Cabin doors are used for emergency exits for both crew and passengers.
All of the normal exits have backup systems to allow their operation during
abnormal conditions. For the flight crew, alternate exit routes are through either
the cockpit door blowout panel into the forward cabin or through the clearview
windows. Escape rope compartments are located in the cockpit above each pilot.
A green band will be visible on the tethered end to indicate full extension.
October 02, 2006
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