GMGuidance material
GM No 1 to 21.A.126(a)(3) Production inspection system – List of specifications
It is the responsibility of:
1.The designer, to define all necessary processes, techniques and methods to be followed during manufacture (21.A.31) and this information will be provided as part of the applicable design data.
2.The manufacturer, to ensure that all processes are carried out strictly in accordance with the specifications provided as part of the applicable design data.
GM — Regulation (EU) No 748/2012 · ED Decision 2012/020/R · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025