Primary reference document (PRD)

EASA defines “Primary reference document (PRD)” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

‘Primary reference document (PRD)’ means the technical specification or set of technical specifications used to establish the qualification basis for an FSTD;

Article 2 · Aircrew · Regulation (EU) No 1178/2011 · Easy Access Rules, 16 Oct 2026 revision · Read Article 2

Defined in the same article

acceptable means of compliance (AMC)
Aircrew
alternative means of compliance
approved training organisation (ATO)
ARO.RAMP
Assigned FSTD capability signature (assigned FCS)
Automatically validated
basic instrument training device (BITD)

Ask Metis where Primary reference document (PRD) applies to you →

Metis opens with Avioverse · request early access.