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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Principles of Flight > For the usual cruise buffet envelope at unchanged mass and configuration, the IAS range between low-speed and high-speed buffet boundaries generally:

380 - ATPL Question Bank in English - For the usual cruise buffet envelope at unchanged mass and configuration, the IAS range between low-speed and high-speed buffet boundaries generally:

Question 380 - Principles of Flight - ATPL - Airline Transport Pilot Licence

Increases during climb.

Decreases during a descent at a constant Mach number.

Increases during a descent at a constant IAS.

Is always positive at Mach numbers below MMO.

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