When 'spoilers' are used as speed brakes:

Question

Question ATPL - Airline Transport Pilot license - Principles of Flight

QuizVDS · Accepted Answer

At same angle of attack, CD is increased and CL is decreased

QuizVDS · Answer

At same angle of attack, CL remains unaffected

QuizVDS · Answer

They do not affect wheel braking action during landing

QuizVDS · Answer

CLmax of the polar curve is not affected

Id 188 - ATPL - When 'spoilers' are used as speed brakes: