IRImplementing rule
21.A.173Classification
Airworthiness certificates shall be classified as follows:
(a)certificates of airworthiness shall be issued to aircraft which conform to a type-certificate that has been issued in accordance with this Annex I (Part 21);
(b)restricted certificates of airworthiness shall be issued to aircraft:
1.which conform to a restricted type-certificate that has been issued in accordance with this Annex I (Part 21); or
2.which have been shown to the Agency to comply with specific airworthiness specifications ensuring adequate safety.
IR · 21.A.173 — Regulation (EU) No 748/2012 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025