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mmciau

25th Feb 2010 19:09

B-787 BOE01 Testing

See where BOE01 has reached Mach 1.07 Groundspeed during testing today 19.34 UTC 25 February 2010 according to FlightAware Log

FlightAware > Boeing Commercial Airplane Group #1

Mike

kenparry

26th Feb 2010 13:42

Quote:

reached Mach 1.07 Groundspeed

What you might call a terminological inexactitude.

Mach number is defined as TAS divided by the local speed of sound. So a "Mach groundspeed" does not exist.

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