PPL(H) Principles Of Flight Practice Questions - UK CAA PPL(H) Theory - Principles Of Flight Helicopter Exam

How is the Angle of Attack (AoA) of a helicopter main rotor blade section determined during steady flight?

It is solely determined by the mechanical position of the pilot's collective lever It is the angle between the blade chord line and the resultant relative airflow It is the angle between the blade upper camber line and the horizon It remains constant along the entire blade span regardless of flight condition

Correct Answer:

It is the angle between the blade chord line and the resultant relative airflow

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