Usability factor

EASA defines “Usability factor” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

‘Usability factor’ means the percentage of time during which the use of a runway or system of runways is not restricted because of the crosswind component.

CS ADR-DSN.A.002 · Aerodromes · Regulation (EU) No 139/2014 · Easy Access Rules, 13 Mar 2026 revision · Read CS ADR-DSN.A.002

Defined in the same article

accelerate-stop distance available (ASDA)
accuracy
aerodrome
Aerodrome beacon
Aerodrome elevation
aerodrome equipment
Aerodrome operator
Aerodrome traffic density

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