EQUIPMENT
AND FURNISHINGS
AIRPLANE
OPERATIONS
MANUAL
2-02-65
Page
2
Code
01
REVISION 27
DOOR DESCRIPTION
1. FIXED VENTING LOUVER
The fixed venting louver has movable horizontal slats for admitting
air to the cockpit. The vent cover should normally be open. In
smoke conditions, to close the louver vent, push the two spring
clips through the vent holes and carefully pull the sliding panel away
from the vent and slide the panel up to the closed position.
2. DEADBOLT ASSEMBLY
Deadbolt assembly has three positions.
− UNLOCKED position: Deadbolt is unlocked.
− LOCKED KEY OPERABLE position: Deadbolt is locked and it can
be unlocked with maintenance deadbolt key. This position must
be used only on ground by maintenance personnel.
− LOCKED KEY INOPERABLE position: Used by pilots to lock the
door only if the main door slide latch is inoperative.
3. MAIN DOOR SLIDE LATCH
LOCKED position: Main door slide latch is locked.
UNLOCKED position: Main door slide latch is unlocked.
NOTE: If the slide latch is inoperative then pilots must lock the
deadbolt at LOCKED KEY INOPERABLE position.
4. TOP STRAP ASSEMBLY
Top strap assembly is used only in case of emergency exit
procedure. Pulling the top strap will disengage the pins.
NOTE: The pins must be fully engaged at all times to avoid
intrusion through emergency exit.
5. BOTTOM STRAP ASSEMBLY
Bottom strap assembly is used only in case of emergency exit
procedure.
6. PRESSURE SENSITIVE LATCH COVER
It covers the pressure sensitive latch and must be removed in an
emergency exit procedure.
7. PRESSURE SENSITIVE LATCH
Pressure sensitive latch is partially and automatically released when
the cockpit pressure is lower than the passengers cabin pressure.
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