Regulatory Article (RA) 5850: military design approved organization (MRP 21 Subpart J)

RA covering the responsibilities and privileges of the holder of military design organization approval.


MAA DAOS Form 4: management and design personnel (open format)

MAA DAOS Form 80: Application for design approved organization scheme (DAOS) approval (open format)

MAA DAOS Form 82: Application for changes to design approved organization scheme (DAOS) approval (open format)


The purpose of Regulatory Articles (RA) is to provide the framework of policy, rules, directives, standards, processes and the associated direction, advice and guidance, which governs military aviation activity and against which air safety is assessed. The regulator develops regulations in response to applicable UK law, MOD needs, legal changes and recommendations resulting from both assurance or investigation functions.

Published 25 August 2016
Last updated 11 January 2019 + show all updates
  1. MAA DAOS form 4: management and design personnel updated to version 2. Please note RA 5850 has not changed.
  2. Form 4: management personnel, form 80: application for DAOS approval and form 82: application for changes to DAOS approval published.
  3. Issue 2 has been published under NAA 18/13.
  4. First published.