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Aircraft speed: Difference between revisions
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=== Mach number === | === Mach number === | ||
*The [http://en.wikipedia.org/wiki/Mach_number|'''Mach number''' (M)] is the speed of the aircraft divided by the speed of sound (at that altitude). It is a calculated number without a unit. | *The [http://en.wikipedia.org/wiki/Mach_number |'''Mach number''' (M)] is the speed of the aircraft divided by the speed of sound (at that altitude). It is a calculated number without a unit. | ||
The aircraft's behaviour at Mach 1 at sea level is about the same as the behaviour of the aircraft at an altitude of 60000 feet. | The aircraft's behaviour at Mach 1 at sea level is about the same as the behaviour of the aircraft at an altitude of 60000 feet. | ||