OSD

EASA defines “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.

"OSD" means the operational suitability data established in accordance with Annex I (Part-21) to Regulation (EU) No 748/2012.’;

FCL.010 · Aircrew · Regulation (EU) No 1178/2011 · Easy Access Rules, 25 Nov 2025 revision · Read FCL.010

Also in the aviation glossary

OSD EASA EPAS: operational suitability data

Defined in the same article

Accessible
aerobatic flight
aeroplane
Aeroplane required to be operated with a co-pilot
Aeroplane upset prevention and recovery training
aircraft
Airmanship
Airship

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