VTOL take-off safety speed (VTOSS)

EASA defines “VTOL take-off safety speed (VTOSS)” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

‘VTOL take-off safety speed (VTOSS)’ means the minimum speed at which climb shall be achieved with a CFP recognised at the TDP in the case of VCA operated in the category Enhanced;

Annex I — Definitions for terms used in Annexes II to IX · Air Operations · Regulation (EU) No 965/2012 · Easy Access Rules, 27 Mar 2026 revision · Read the article

Defined in the same article

accelerate-stop distance available (ASDA)
acceptable means of compliance (AMC)
acceptance checklist
adequate aerodrome
adequate vertiport
adult
aerodrome operating minima
aided night vision imaging system (NVIS) flight

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