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Glossary Aircraft & Engineering

Mach Number (M)

Definition

The ratio of the aircraft's speed to the speed of sound in the surrounding atmosphere

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Frequently Asked Questions

What is Mach Number (M)?
The ratio of the aircraft's speed to the speed of sound in the surrounding atmosphere
What does M stand for?
M stands for Mach Number (M). The ratio of the aircraft's speed to the speed of sound in the surrounding atmosphere
How does Mach Number (M) relate to other aviation concepts?
Mach Number (M) is closely related to Cruise and Knot, among other key aviation concepts.

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