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Difference between revisions of "Reference Speed (Vref)"

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==Definition==
 
==Definition==
  
1.3 times the stalling speed in the landing configuration. This required at the 50 ft height above the threshold end of the runway.
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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.
  
 
[[category: General OI]]
 
[[category: General OI]]
 
[[category: Operational Issues]]
 
[[category: Operational Issues]]

Revision as of 11:02, 21 April 2008

Article Information
Category: General General
Content source: Skybrary 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.