transonic barrier

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sound barrier

A so-called barrier to flight encountered by an airplane designed for subsonic speeds when it reaches transonic speeds and meets the turbulence incident of diverse degrees of compressibility. An intense buffet and the loss of controls to a varying degree may also be experienced at this speed. Also called a transonic barrier.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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