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operation in performance class 1

EASA defines “operation in performance class 1” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

‘operation in performance class 1’ means an operation that, in the event of failure of the critical engine, the helicopter is able to land within the rejected take-off distance available or safely continue the flight to an appropriate landing area, depending on when the failure occurs;

Article 2 · Air Operations · Regulation (EU) No 965/2012 · Easy Access Rules, 27 Mar 2026 revision · Read Article 2