Regulatory Article (RA) 5405: special instructions (technical)

RA covering the responsibilities for review of special instructions (technical) (SI(T)) for their effect on the aircraft and / or equipment safety assessment.


RA 5405: special instructions (technical)

MAA special instructions (technical) template

MAA special instructions (technical) template (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 1 December 2014
Last updated 13 January 2021 + show all updates
  1. Special instructions (technical) template - version 2 has been published under NAA 21/01.

  2. RA 5405 Issue 6 and Version 1 of MAA Special Instructions (Technical) Template have been published under NAA 20/42.

  3. Issue 5 has been published under NAA 19/02.

  4. Issue 4 has been published under NAA 18/13.

  5. Issue 3 has been published under NAA 16/20.

  6. First published.