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Home > Exam Questions > PPL(H) - Private Pilot Licence (Helicopter) > Principles of Flight (Helicopter) > What aerodynamic effect is most relevant? Rotor RPM starts to decay in autorotation.

1290 - PPL(H) Helicopter Theory Exam Questions in English - What aerodynamic effect is most relevant? Rotor RPM starts to decay in autorotation.

Question 1290 - Principles of Flight (Helicopter) - PPL(H) - Private Pilot Licence (Helicopter)

The altimeter setting becomes invalid.

The magnetic compass becomes the primary lift source.

collective should be managed to recover RPM.

The aircraft mass automatically decreases.

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