Reference Speed (Vref)

Reference Speed (Vref)

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SKYbrary
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Last modified:
24.Jun.2022
Article UID:
1582

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 feet in landing configuration if the calculated aircraft performance is to be achieved.

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Cite This Page SKYbrary Aviation Safety. (June 24, 2022). Reference Speed (Vref). Retrieved February 3, 2026 from https://skybrary.aero/articles/reference-speed-vref UID: 1582
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