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Difference between revisions of "Reference Speed (Vref)"

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|control_caption  = EUROCONTROL
 
|control_caption  = EUROCONTROL
 
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<BIG>'''Threshold Speed'''</BIG>
 
 
==Definition==
 
==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 a height of [[Altitude::50 feet]] in landing configuration if the calculated aircraft performance is to be achieved.
 
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 a height of [[Altitude::50 feet]] in landing configuration if the calculated aircraft performance is to be achieved.

Revision as of 16:42, 24 May 2017

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Category: General General
Content source: SKYbrary About SKYbrary
Content control: EUROCONTROL EUROCONTROL

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 a height of 50 feet15.24 m <br /> in landing configuration if the calculated aircraft performance is to be achieved.

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