ATA 30 Ice/Rain Protection Flashcards
List the areas of the airplane that have ice and rain protection.
WING LEADING EDGES, Engine Inlet Cowls, Air Data probes, Flight Compartment windows and water and waste system lines/drains.
What does illumination of the wing TAI VALVE light indicate?
The switch and valve are in disagreement or the valve is in transit.
Will wing TAI operate on the ground?
Yes
Does TAT probe heat work on the ground?
Yes
The engine TAI valve is ____________ controlled and ____________ operated.
???
What does illumination of the engine TAI COWL VALVE indicate?
The switch position and valve are not in agreement or the valve is in transit.
An engine TAI valve is INOP, how is the valve configured for MEL dispatch?
closed
How is probe heat turned on?
P-5 overhead panel.
The AOA case heater element has failed, what is the indication of this?
Amber Alpha Vane light comes on. Master caution and Anti-ice annunciator lights come on.
Describe how to do the window heat power test.
Power test switch on the P-5 overhead panel. Hold the switch in the PWR TEST position, this will cause the WHCU(Window heat control unit) to send an electric current to the window and a green ON light on the P-5 overhead panel to come on.
Where are the wing anti-ice valves(WAIV) located?
In the wind leading edges outboard of each engine strut.
The airplane is on the gate in Phoenix in July, facing into the blazing sun.
Window heat is on, the green window heat on lights are not illuminated; Is this
normal?
YES
Where is window heat BITE performed?
On the two WHCU box’s in the E and E bay. (E4-2 and E2-1 shelf).
How would you access a windshield wiper motor to replace it?
Through panels under the P-7 glare shield.
What happened to the rain repellant system(Hydrophobic Windshield coating)?
Improves visibility in heavy rain
