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operational suitability data (OSD)

EASA defines “operational suitability data (OSD)” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

“operational suitability data (OSD)” means data, which is part of an aircraft type certificate, restricted type certificate or supplemental type certificate, consisting of all of the following:

(i)the minimum syllabus of pilot type rating training, including determination of type rating;

(ii)the definition of scope of the aircraft validation source data to support the objective qualification of simulators or the provisional data to support their interim qualification;

(iii)the minimum syllabus of maintenance certifying staff type rating training, including determination of type rating;

(iv)determination of type or variant for cabin crew and type-specific data for cabin crew;

(v)the master minimum equipment list.

Article 1 · Initial Airworthiness and Environmental Protection · Regulation (EU) No 748/2012 · Easy Access Rules, 27 Nov 2025 revision · Read Article 1