ATR 42 Model : 400/500
RAIN PROTECTION
ICE AND RAIN PROTECTION
P 1
NOV 97
001
1.13
.
70
70.1 DESCRIPTION
Rain removal from front windshields is provided by two wipers : each wiper is driven
by a two speed electric motor. They are controlled by two WIPER selectors on the
overhead panel : one for the Captain, and one for the F/O. Maximum speed to operate
the wipers is 160 kt.
70.2 CONTROLS
WIPER rotary selector
Controls the windshield wiper on the associated side.
FAST
wiper operates at 130 cycles/mn.
SLOW
wiper operates at 80 cycles/mn.
OFF
wiper operation stops at the end-of-travel (Park) position.
70.3 ELECTRICAL SUPPLY
EQUIPMENT
DC BUS SUPPLY
(C/B)
Captain wiper
DC ESS BUS
(on lateral panel CAPT)
F/O wiper
DC BUS 2
(on lateral panel F/O
AA
R
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