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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Principles of Flight > As free-stream Mach number rises just above a wing’s critical Mach number, where do its first compression shock waves normally develop?

250 - ATPL Question Bank in English - As free-stream Mach number rises just above a wing’s critical Mach number, where do its first compression shock waves normally develop?

Question 250 - Principles of Flight - ATPL - Airline Transport Pilot Licence

Always on the lower wing surface at the tip, regardless of angle of attack.

In a wing region where the local airflow remains entirely subsonic.

At the downstream boundary of the initial local supersonic region; the spanwise location depends on the wing and flow conditions.

Exactly at the leading edge of every wing section as soon as free-stream Mach number reaches 1.

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