3. Anti-Ice, Rain Flashcards
Automatic Ice Detection System
The automatic ice detection system senses the existence of icing conditions and provides signals to control the:
*
*
*
- engine
- wing
- pack inlet anti-ice
Engine Anti-Ice System Manual Operation
The engine anti-ice valves close automatically:
*
*
*
*
*
- during start, or
- for bleed air overtemperature, or
- for bleed air overpressure, or
- when an engine fire switch is
pulled, or - when a bleed air leak is detected
Wing Anti-Ice System
The _____ wing anti-ice system powers thermal anti-icing ____ on the __________ on each wing.
electric
mats
leading edge slats
Wing Anti-Ice System
WAI may be shed for how many seconds during high electrical loads?
30s
Wing Anti-Ice System
Automatic WAI operation is available in flight and on the ground above ___ kts
75kts
Wing Anti-Ice System
In flight with the WING ANTI-ICE selector ON, the system is powered any time TAT is below ____.
25º C
Engine and Wing Anti-Ice Effects on Manoeuvre Margin
With flaps UP, the use of engine or wing anti-ice has what effect on stick shaker speed and minimum manoeuvring speed?
No effect
Pack Inlet Anti-Ice System
When is pack inlet anti-ice automatically inhibited?
When TAT is above
10º C
Probe Heat
Three pitot probes and two angle of attack probes are _______ heated for anti-ice protection when ___________ is operating.
electrically
either engine
Probe Heat
The total air temperature probe is ________ heated for anti-ice protection ______.
electrically
in flight
