Anti-Ice, Rain Flashcards
It is important that engine anti-ice be selected on
Prior to entering icing conditions
How are the engine anti-ice valves controlled?
Electrically controlled, pneumatically operated,
By selecting engine anti-ice on, which additional systems are affected?
The EEC’s reset to approach idle.
Stall warning logic is set for icing conditions.
What does the bright blue COWL VALVE OPEN light indicate?
The position of the valve disagrees with the commanded switch position.
The valve is in-transit.
What does the green TAI on the upper DU indicate?
The respective engine anti-ice valve is open
What does the amber COWL ANTI-ICE light indicate?
An overpressure condition in the engine inlet cowl.
What does an amber TAI indication on the upper DU indicate?
The engine anti-ice valve and switch position disagree.
While in flight, the wing anti-ice valves will automatically close if an overheat is sensed. (T/F)
False.
However; On the ground, if either distribution duct thermal switch is activated, the wing anti-ice valves close to protect the slats from overheating.
The wing anti-ice has just been selected off. The stall warning logic remains set for icing conditions for the remainder of the flight. (T/F)
True
The blue L VALVE OPEN and R VALVE OPEN lights illuminated dim indicate:
The related wing anti-ice valve is open.
Placing the Test switch to PWR TEST:
Provides a confidence test.
When the OVERHEAT light illuminates, power is automatically removed from the respective window(s). (T/F)
True
The static ports are heated when the PROBE HEAT switches are selected ON. (T/F)
False.
The static ports are not heated.
What does an amber light on the Probe Heat Panel indicate?
The respective prob is not heated.
