Collection

Service Inquiry (SI)

Published Ministry of Defence Service Inquiries (SIs), Board of Inquiries (BOIs) and Military Aircraft Accident Summaries (MAAS).

This collection provides all published Service Inquiry (SI) reports. A number Board of Inquiry (BOI) and Military Aircraft Accident Summary (MAAS) reports are also available below. Links to the UK Governemnt Web Archive have been provided below were reports were previously published on the Ministry of Defence’s old website

A service inquiry is held after an military incident, which results in death or serious injury in order to understand the circumstances, and any changes to procedures or equipment to prevent recurrence.

Service Inquiries (SI)

For guidance about Service Inquiries please see the ‘Guide to Service Inquiries (JSP 832)’ available in the UK Government Web Archive.

  1. Service Inquiry into the death of a soldier participating in live fire tactical training at Heely Dodd Range, Otterburn on 22 August 2016

    • Corporate report
  2. Service Inquiry report into the death of a soldier during an annual fitness test at Brecon on 19 July 2016

    • Corporate report
  3. Service Inquiry report into the deaths of 3 soldiers in the Brecon Beacons, Wales, in July 2013

    • Corporate report
  4. Service Inquiry into the aircraft accident involving YAK52 G-YAKB on 8 July 2016

    • Corporate report
  5. Service Inquiry into the death of a soldier whilst parachuting at Bad Lippspringe, Germany, on 29 September 2015

    • Corporate report
  6. Service Inquiry into the death of a civilian climber during Rescue 137 on 25 February 2013

    • Corporate report
  7. Service Inquiry into the Watchkeeper (WK006) Unmanned Air Vehicle (UAV) accident at Boscombe Down Aerodrome on 2 November 2015

    • Corporate report
  8. Service Inquiry into an accident involving a Puma HC MK 2 (XW229) in Kabul, Afghanistan on 11 October 2015

    • Corporate report
  9. Service Inquiry: accident involving the Falcons display team on 22 June 2014

    • Corporate report
  10. Service Inquiry into death of a serviceman from 5 Rifles in Paderborn, Germany on 18 June 2015

    • Corporate report
  11. Service Inquiry into the Watchkeeper (WK031) Unmanned Air Vehicle (UAV) accident at West Wales Airport on 16 October 2014

    • Corporate report
  12. Service Inquiry into death of a Royal Marine during an endurance march on Dartmoor Training Area on 28 May 2015

    • Corporate report
  13. Service Inquiry: accident involving Lynx Mk 9 ZF540 on 26 April 2014

    • Corporate report
  14. Service Inquiry: incident involving Voyager ZZ333 on 9 February 2014

    • Corporate report
  15. Service Inquiry: incident involving Gazelle XZ936 on 2 June 2014

    • Corporate report
  16. Service Inquiry: accident involving Tornado ZD743 and Tornado ZD812 over Moray Firth

    • Corporate report
  17. Service Inquiry: accident involving Sea King ZE428 at RNAS Yeovilton

    • Corporate report
  18. Service Inquiry: accident involving Tucano ZF349 at RAF Linton-on-Ouse

    • Corporate report
  19. Service Inquiry: accident involving Hawk TMk1 XX177 at RAF Scampton

    • Corporate report
  20. Service Inquiry investigating the accident involving Chinook ZA708 on 10 Aug 10

    • Corporate report
  21. Service Inquiry into the aviation fuel contamination at Mount Pleasant Complex during the period 25 Jun to 05 Aug 11

    • Corporate report
  22. Service Inquiry report into the incident involving Lynx XZ210 on 1 Dec 11

    • Corporate report
  23. Service Inquiry report into the occurrence involving Squirrel HT1 ZJ276 on 20 April 2012

    • Corporate report
  24. Service Inquiry report into the occurrence involving Chinook ZA671 on 07 April 2012

    • Corporate report
  25. Service Inquiry: shooting incident onboard HMS Astute, Southhampton

    • Corporate report
  26. Service inquiry: accident involving Red Arrows Hawk T Mk1 XX179 near Bournemouth

    • Corporate report
  27. Service Inquiry investigating the accident involving Unmanned Air System (UAS) Hermes 450, ZK515 on 2 October 2011

    • Corporate report
  28. Service Inquiry: low flying incident Tornado ZA557, Peebles

    • Corporate report
  29. Service Inquiry: incident involving Chinook ZH898, oxfordshire

    • Corporate report
  30. Service inquiry investigating the accident to Tornado GR4 ZG792 on 27 Jan 11

    • Corporate report
  31. Service Inquiry report into accident involving Puma XW211 on 5 Jul 2011

    • Corporate report
  32. Service Inquiry: grounding of HMS Astute, Isle of Skye

    • Corporate report
  33. Service Inquiry: Puma ZA934 helicopter crash, Catterick

    • Corporate report
  34. Service Inquiry report into the Red Arrows accident in Crete on 23 March 2010

    • Corporate report
  35. Service Inquiry investigating the accident to Tutor G-BYXR

    • Corporate report
  36. Service Inquiry into the flooding of HMS Endurance

    • Corporate report
  37. Service Inquiry into the death of Capt JA Philippson

    • Corporate report
  38. Service Inquiry: investigating the accident to Tornado F3 ZE 982

    • Corporate report
  39. Service Inquiry investigating the accident to Tutor Aircraft G-BYUT and G-BYVN

    • Corporate report

Internal reviews

  1. Operation Telemeter internal review

    • Corporate report
  2. HMS Antrim Op Corporate report of proceedings

    • Corporate report

Board of Inquiries (BOIs)

A number of the BOIs previously published on mod.uk can be found in the list below. If you are unable to find the BOI you’re looking for please visit the Boards of Inquiries available at UK Government Web Archive.

  1. Board of Inquiry report into the death of Pte James

    • Corporate report
  2. Board of Inquiry: Squirrel ZJ 247 helicopter crash, Kingscott Valley

    • Corporate report
  3. Board of Inquiry report: death of English D P CEM1

    • Corporate report
  4. Board of Inquiry report investigating the accident to Tornado GR Mk4, ZA554

    • Corporate report
  5. Board of Inquiry report into the grounding of HMS Superb

    • Corporate report
  6. Board of Inquiry into the loss of HMS Portland's Lynx XZ724 helicopter on 8 December 2004

    • Corporate report
  7. Board of inquiries in The National Archives

    • Guidance
  8. Board of Inquiry into the loss of Hercules XV179 (Iraq 30 Jan 05)

    • Corporate report
  9. Board of inquiry into the circumstances leading up to the deaths of six Royal Military Policemen

    • Corporate report

Military Aircraft Accident Summary (MAAS)

Following the completion of a full RAF Board of Inquiry into the causes of a serious military aircraft accident, the Directorate of Air Staff prepares a Military Aircraft Accident Summary (MAAS), which is presented to Parliament. It is written in non technical language and is designed to be read and understood by the non specialist. A MAAS is only ever published after the full investigation process has been completed.

It should be noted that given the passage of time, it has not been possible to locate documents for all RAF aircraft accidents. However, all those RAF MAAS held centrally (over 300) since they were first introduced in 1979 are now available on the UK Government Web Archive. All future MAAS will be included following presentation to Parliament.

Published 11 October 2013
Last updated 15 November 2017 + show all updates
  1. Added a link to the Service Inquiry into the death of a soldier participating in live fire tactical training at Heely Dodd Range, Otterburn on 22 August 2016.
  2. Added a link to the service inquiry report into the death of a soldier during an annual fitness test at Brecon on 19 July 2016.
  3. Added Service Inquiry into the aircraft accident involving YAK52 G-YAKB on 8 July 2016
  4. Added Service Inquiry report into the deaths of 3 soldiers in the Brecon Beacons, Wales, in July 2013
  5. Added Service Inquiry into the death of a soldier whilst parachuting at Bad Lippspringe, Germany, on 29 September 2015.
  6. Added Service Inquiry into the death of a civilian climber during Rescue 137 on 25 February 2013
  7. Added Puma XW229 and Watchkeeper 006 Service Inquiries
  8. Added Service Inquiry: accident involving the Falcons display team on 22 June 2014
  9. Added: Service Inquiry into the Watchkeeper (WK031) Unmanned Air Vehicle (UAV) accident at West Wales Airport on 16 October 2014
  10. Added Service Inquiry into death of a Royal Marine during an endurance march on Dartmoor Training Area on 28 May 2015.
  11. Added Board of Inquiry report for Pte James.
  12. Added link to Military aircraft accident summaries in the National Archives.
  13. Add new Service Inquiry internal review for Op Telemeter.
  14. Added Interim report from the Service Inquiry investigating the incident involving Gazelle XZ936 on 2 June 2014.
  15. Added Service Inquiry: accident involving Lynx Mk 9 ZF540 on 26 April 2014
  16. Added Service Inquiry: accident involving Tornado ZD743 and Tornado ZD812 over Moray Firth
  17. Added Service Inquiry: accident involving Sea King ZE428 at RNAS Yeovilton to the index.
  18. Added Service Inquiry: incident involving Voyager ZZ333 on 9 February 2014.
  19. Added 'Service Inquiry report into the accident involving Tucano ZF349' and 'Service Inquiry into the accident involving Hawk TMk1 XX177'.
  20. First published.