11.12 Anti-icing Systems Flashcards
How do thermal pneumatic anti ice systems work
Warm air enters piccolo tube (travels lengthwise) and exits through small holes in the tube
Where does hot air come from in the wing anti ice system
Bleed air off the engine
What controls wing anti ice
Wing anti ice valve, it is electrically controlled and oneumaticallt actuated
Can aircraft’s with slats use wing LE anti ice
Yes
How is the wing anti ice system tested
Utilises built in test equipment which periodically powers up and self tests, reports back to CMC
Why should engine cowl be anti iced
So chunks of ice do not break off and damage the engine
Where is heat taken from to heat engine cowl
Engine bleed air
What form of anti icing is available to pilots for their windscreen
Electrical windshield anti ice ( can be set to normal or high)
How does chemical anti icing work
Old system, liquid flows over surfaces and mixes with supercooled water in cloud and lowers its freezing point so it doesn’t freeze on the aircraft.
What is another name of chemical anti icing
TKS
