R Mod : 4273
ATR 42 Model : 400/500
DOORS
AIRCRAFT GENERAL
P 4
NOV 99
090
1.00
.
30
"
CARGO DOOR ARMED" green light
Is ON when Actuator Selection Switch working conditions are met.
These conditions are :
- Panel cover open
- Door unlocked by operating handle : all hooks are disengaged.
CAUTION :
Door must be mechanically closed by outboard handles only in order to
be sure that latching and locking mechanisms are in the closed position.
OPERATING FROM INSIDE
OPENING
D
Push upwards handle
1
(Latch lock flap get free)
D
Push downward handle
2
on the vent door (the door is unlocked)
D
Rotate downwards the handle
3
(Hooks are disengaged and the door is
unlatched)
D
Use the actuator selection garded switch located in the internal operating panel.
CLOSING
D
Use the actuator selection garded switch located in the internal operating panel.
Note : The locking and latching are not possible from inside. However, the latching
position can be inspected from inside through the view ports located on the
bottom part of the door.
FORWARD AVIONICS COMPARTMENT ACCESS HATCH
An inward opening manually operated hatch in forward section of the nose landing
gear bay gives external access to the avionics compartment behind the main
instrument panel.
COCKPIT COMMUNICATION HATCH
A machined door with a net opening of 17.5 cm (7") wide and 15 cm (6") high is
located immediately below the CAPT side window.
AA
6
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01/07//2018 REV 1 These notes are not revised after issue For Training Purposes Only
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