ATR 42 Model : 400/500
ENGINE AND WING PROTECTION
ICE AND RAIN PROTECTION
P 2
NOV 01
001
1.13
.
30
TIME SEQUENCE DIAGRAM
NORMAL MODE (AUTOMATIC SELECTION PILOTED BY MFC)
BEGINNING OF THE FOLLOWING SEQUENCE AT :
- 60 SEC (FAST MODE)
-180 SEC (SLOW MODE)
OVRD MODE (SEPARATED TIMER)
BEGINNING OF THE FOLLOWING SEQUENCE AT 60 SEC (FAST MODE)
Note : When de icing OVRD mode is selected, boots inflate according to a separate timer
and MFC is totally by passed.
AA
R
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01/07//2018 REV 1 These notes are not revised after issue For Training Purposes Only
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