R Mod : 4273
ATR 42 Model : 400/500
DOORS
AIRCRAFT GENERAL
P 3
NOV 99
090
1.00
.
30
CARGO DOOR
The cargo door is an outward opening, non plug type
door hinged at its upper edge giving a net clear opening
of 1.30 m (51") wide by 1.57 m (62") high.
The door is actuated by an electrical actuator.
A hold-open strut maintains the cargo door in the open
position. It also protects the door from wind gusts.
OPERATING FROM OUTSIDE
The cargo door is operated from a panel located outside.
Panel cover switch
Connects the Ground Handling Bus on line when the panel cover is open.
Ground Handling Bus "ON BAT" red light
Is ON when Ground Handling bus is directly supplied by Hot main Bat Bus.
Note : This light shows that the main battery is emptying even if the BAT toggle
switch is in "OFF" position (visible even when the panel cover is closed).
Cargo Bay light switch
Allows illumination of the cargo bay light from outside.
Actuator Selection Switch
Is used to operate the door (opening or closing) when the
"
CARGO DOOR ARMED"
green light is ON.
"
CARGO DOOR LCHD" blue light
Is ON when all door hooks and latch locks are fully engaged.
Note : The door can be locked and latched only from outside.
AA
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AviationLearning.net
01/07//2018 REV 1 These notes are not revised after issue For Training Purposes Only
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