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Reference Speed (Vref)

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Revision as of 14:23, 11 January 2010 by Editor1 (talk | contribs)
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Category: General General
Content source: SKYbrary About SKYbrary
Content control: EUROCONTROL EUROCONTROL

Threshold Speed

Definition

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.


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