Ice and Rain Protection System Flashcards
Describe the ice detection system.
2 red lights on the glade shield.
What provides windshield rain removal?
Coated and sealed windshield coating.
What powers the windshield heat?
Engine driven alternators.
When a TRU is selected ON, what happens to the windshield heat?
Corresponding Windshield and opposite side window are no longer heated.
PITOT/STATIC buttons heat what probes?
Primary and standby pitot tube and static ports plus AOA vanes.
ANTI-ICE ENGINE/STAB buttons must be on when?
+10C to -35C in visible moisture (1 mile visibility). Must be on 1 minute prior to idle descent in Icing.
What do the ANTI-ICE ENGINE/STAB buttons turn on.
1: Engine inlet bleed air heat.
2: Stator vane Bleed Air heat.
3: Inboard wing leading edge bleed air heat.
4: Horizontal stab bleed air heat.
5: RAT probe electric heat.
Will the WING A/I heat work with the ENGINE/STAB heat off?
No.
ANTI-ICE WING turns on what?
Outbound wing leading edge bleed air heat. (Outer 2/3)
When should ANTI-ICE WING be turned in?
+5C to -35C in visible moisture. (1 mile visibility)
What part of the wing is not heated?
Outer 18 inches each wing.
WING XFLOW button does what?
Allows single engine to heat both wings.
During a main DC failure, what happens to Anti-Ice?
Fails in the ON/Open position except for the wing XFLOW.
If the pretakeoff anti-ice fails, can it be re-initiated immediately?
No, system must cool to ambient temperature.
Amber A/I (___) HOT CAS message for the STAB, WING, ENGINE automatically ____.
Closes the appropriate valve and allows it to cool before re-opening.
