Windshield heating of a transport aeroplane is

Question

ATPL - Airline Transport Pilot license - Aircraft General Knowledge - Airframe, Systems, Powerplant - Windshield heating of a transport aeroplane is

QuizVDS · Accepted Answer

Essential to improve the strength of the cockpit windows.

QuizVDS · Answer

Not Affecting The Strength Of A Cockpit Windows.

QuizVDS · Answer

Only used when hot-air demisting is insufficient.

QuizVDS · Answer

Used Only At Low Altitudes Where There Is A Risk Of Ice Formation.

ATPL: Windshield heating of a transport aeroplane is