Proposed Certification Memorandum

Overview

The UK CAA is consulting on a proposed Certification Memorandum to provide information, clarification and procedural guidance for the modification and repair of seating systems holding UK Technical Standard Order authorisation (UKTSOA) or European Technical Standard Order (ETSO) and Technical Standard Order (TSO).

The proposed Certification Memorandum UK.CM.CS.1001 document provides the full technical detail of the memorandum.

How to respond

All interested persons may submit their comments for review and disposition by the UK CAA online in Share your views below. The consultation period will close on 24 July 2026.

Why your views matter

In accordance with the UK CAA Design and Certification procedures, Certification Memoranda may be subject to a period of public consultation, except if they have been previously agreed and published by the UK CAA.