Skip to content

A gradual release of Avioverse begins in October 2026. Request early access →

21.A.51 Duration and continued validity

Annex I · Regulation (EU) No 748/2012 · EAR revision 27 Nov 2025

IRImplementing rule

21.A.51Duration and continued validity

(a)A type-certificate and restricted type-certificate shall be issued for an unlimited duration. They shall remain valid subject to:

1.the holder remaining in compliance with this Annex 1 (Part 21); and

2.the certificate not being surrendered or revoked under the applicable administrative procedures established by the Agency.

(b)Upon surrender or revocation, the type-certificate and restricted type-certificate shall be returned to the Agency.

IR · 21.A.51 — Regulation (EU) No 748/2012 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

All rules in SECTION A — TECHNICAL REQUIREMENTS

Consolidated from the EASA Easy Access Rules (revision 27 Nov 2025, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

Ask Metis about 21.A.51 →

Metis opens with Avioverse in October 2026 · request early access.