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Difference between revisions of "Reference Speed (Vref)"

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Revision as of 09:01, 28 October 2008

Article Information
Category: General General
Content source: SKYbrary SKYbrary

Threshold Speed


1.3 times the stalling speed in the stated landing configuration and at the prevailing aircraft weight. This is the speed required as the landing runway threshold is crossed at 50 feet height if calculated aircraft performance is to be achieved.