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CRD 2015-12

Acceptable Means of Compliance (AMC) and Guidance Material (GM) to Part-21 for changes to Operational Suitability Data (OSD)

This Comment-Response Document (CRD) contains the comments received on NPA 2015-12 (published on 20 August 2015) and the responses, or a summary thereof, provided thereto by the Agency.

Based on the comments and responses, Decision 2016/007/R] was developed.

The Agency publishes the draft AMC and GM with this CRD.

The purpose of the draft AMC/GM presented with this CRD is to reduce the administrative burden on applicants for the approval of a change. The proposed guidance should allow these applicants to come easily to a decision with regard to:

  • whether a design change impacts on operational suitability data (OSD) or not;
  • the classification of changes to OSD as minor or major;
  • the certification basis for the OSD change;
  • the use of their design organisation approval (DOA) for OSD changes.