Collection

Defence Safety Authority (DSA) Service Inquiries (SI)

Service Inquiry reports published by the DSA.

• From: Defence Safety Authority
• Published: 21 August 2025
• Last updated: 24 February 2026 — See all updates

2025

• Service Inquiry into the death of a soldier while driving a MAN Support Vehicle 6 tonne truck near Sennybridge Training Area on 20 September 2023
  • 14 August 2025
  • Corporate report
• Service Inquiry into the injury of a service person while undertaking Royal Marines Close Combat training at His Majesty’s Naval Base Clyde on 26 May 2023
  • 1 May 2025
  • Corporate report
• Service Inquiry into the death of a service person during an adventurous training expedition to Stubai Glacier, Austria on 11 March 2023
  • 20 March 2025
  • Corporate report
• Service Inquiry into the death of a service person following completion of a military exercise at Driffield Fieldcraft Training Area on 21 September 2023
  • 9 January 2025
  • Corporate report

2024

• Service Inquiry into the fatal collapse of a service person while undertaking a run in Sennelager, Germany, on 16 January 2023
  • 25 July 2024
  • Corporate report
• Service Inquiry into the death of a service person on 24 November 2022 following completion of a loaded march at Catterick
  • 10 April 2024
  • Corporate report
• Service Inquiry into the death of a soldier from 23 Parachute Engineer Regiment at MOD Woodbridge, July 2022
  • 29 February 2024
  • Corporate report
• Service Inquiry into the death of a Royal Air Force (RAF) service person and serious injuries during British Services Mountaineering Expedition, Pakistan July 2022
  • 9 February 2024
  • Corporate report
• Service Inquiry into the death of a Royal Air Force (RAF) service person in a motorcycle accident at Cadwell Park race circuit on Friday 27 May 2022
  • 18 January 2024
  • Corporate report
• Service Inquiry into the death of a service person in an accident with a Warrior armoured vehicle on Salisbury Plain Training Area on 21 June 2022
  • 16 January 2024
  • Corporate report

2023

• Service Inquiry into the fatal accident involving a Scimitar Fighting Vehicle on Salisbury Plain Training Area - 15 October 2021
  • 23 November 2023
  • Corporate report
• Service Inquiry into the loss of F-35B Lightning ZM152 (BK-18)
  • 10 August 2023
  • Corporate report
• Service Inquiry into the fatality of a Royal Air Force parachute instructor at RAF Weston on the Green on 2 September 2021
  • 22 June 2023
  • Corporate report

2022

• Service Inquiry investigating the accident involving F-35B ZM152 on HMS Queen Elizabeth on 17 November 2021 - Interim Report
  • 8 September 2022
  • Corporate report
• Service Inquiry into the alleged exposure of UK Defence Personnel to asbestos during overseas exercises and training since 2018
  • 18 August 2022
  • Corporate report
• Service Inquiry into a fatal night firing accident at Castlemartin Training Area
  • 11 August 2022
  • Corporate report
• Service Inquiry into the Loss of Hawk T Mk1 XX189 from 736 Naval Air Squadron, RNAS Culdrose
  • 28 July 2022
  • Corporate report
• Service Inquiry into the death of an Acting Petty Officer whilst attending the Senior Rates Leadership Course at HMS Collingwood
  • 17 March 2022
  • Corporate report

2021

• Service Inquiry report following the death of a Royal Marine Recruit following a Beach Landing Exercise
  • 12 August 2021
  • Corporate report
• Service Inquiry report following the deaths of two potential Recruits following the Common Selection Process
  • 29 July 2021
  • Corporate report
• Service Inquiry report into the death of a soldier during a Jackal accident on Catterick Training Area
  • 14 January 2021
  • Corporate report

2020

• Service Inquiry report into the death of a soldier during an annual fitness test at Brecon on 19 July 2016
  • 22 December 2020
  • Corporate report
• Service Inquiry into the death of a soldier following an animal attack at Liwonde National Park, Malawi on 5 May 2019
  • 30 October 2020
  • Corporate report

2019

• Service Inquiry into the death of a soldier from a gunshot wound at Camp Taji, Iraq on 2 January 2017
  • 5 November 2019
  • Corporate report
• Service Inquiry into the death of a soldier in a Road Traffic Accident at Al Asad Air Base, Iraq on 31st January 2018
  • 4 November 2019
  • Corporate report
• Service Inquiry into the accident involving HAWK T Mk1A XX204 on 20 March 2018
  • 10 October 2019
  • Corporate report
• Service Inquiry into the accident involving a Hercules C-130J Mk4 (ZH873) Heavy Landing Incident on 25 August 2017
  • 21 May 2019
  • Corporate report
• Service Inquiry report into the Loss of Watchkeeper (WK043) Unmanned Air Vehicle over Cardigan Bay in West Wales on 24 March 2017
  • 11 April 2019
  • Corporate report
• Service Inquiry report into the Loss of Watchkeeper (WK042) Unmanned Air Vehicle over Cardigan Bay in West Wales on 3 February 2017
  • 11 April 2019
  • Corporate report

2018

• Service Inquiry into the accident involving a Griffin MK1 ZJ241 at Yr Aran, Snowdonia, Wales
  • 16 August 2018
  • Corporate report
• Service Inquiry report into the death of a soldier participating in a Night Live Firing Sniper Cadre at RAF Tain Range Field Firing Area on 1 November 2016.
  • 9 August 2018
  • Corporate report
• Service Inquiry report into the Challenger 2 incident at Castlemartin Ranges, Pembrokeshire on 14 June 2017
  • 26 July 2018
  • Corporate report

2017

• Service Inquiry into the death of a soldier participating in live fire tactical training at Heely Dodd Range, Otterburn on 22 August 2016
  • 15 November 2017
  • Corporate report
• Service Inquiry report into the deaths of 3 soldiers in the Brecon Beacons, Wales, in July 2013
  • 19 October 2017
  • Corporate report
• Service Inquiry into the aircraft accident involving YAK52 G-YAKB on 8 July 2016
  • 15 June 2017
  • Corporate report
• Service Inquiry into the death of a soldier whilst parachuting at Bad Lippspringe, Germany, on 29 September 2015
  • 12 April 2017
  • Corporate report

2016

• Service Inquiry into the Watchkeeper (WK006) Unmanned Air Vehicle (UAV) accident at Boscombe Down Aerodrome on 2 November 2015
  • 15 December 2016
  • Corporate report
• Service Inquiry into an accident involving a Puma HC MK 2 (XW229) in Kabul, Afghanistan on 11 October 2015
  • 15 December 2016
  • Corporate report
• Service Inquiry into death of a serviceman from 5 Rifles in Paderborn, Germany on 18 June 2015
  • 17 August 2016
  • Corporate report
• Service Inquiry into the Watchkeeper (WK031) Unmanned Air Vehicle (UAV) accident at West Wales Airport on 16 October 2014
  • 12 August 2016
  • Corporate report
• Service Inquiry into death of a Royal Marine during an endurance march on Dartmoor Training Area on 28 May 2015
  • 17 March 2016
  • Corporate report

2015

• Service Inquiry: incident involving Voyager ZZ333 on 9 February 2014
  • 23 March 2015
  • Corporate report
• Service Inquiry: incident involving Gazelle XZ936 on 2 June 2014
  • 21 January 2015
  • Corporate report

2014

• Service Inquiry: accident involving Tornado ZD743 and Tornado ZD812 over Moray Firth
  • 30 June 2014
  • Corporate report
• Service Inquiry: accident involving Sea King ZE428 at RNAS Yeovilton
  • 22 May 2014
  • Corporate report
• Service Inquiry: accident involving Tucano ZF349 at RAF Linton-on-Ouse
  • 20 March 2014
  • Corporate report
• Service Inquiry: accident involving Hawk TMk1 XX177 at RAF Scampton
  • 6 February 2014
  • Corporate report

2013

• Service Inquiry investigating the accident involving Chinook ZA708 on 10 Aug 10
  • 6 June 2013
  • Corporate report
• Service Inquiry into the aviation fuel contamination at Mount Pleasant Complex during the period 25 Jun to 05 Aug 11
  • 27 February 2013
  • Corporate report
• Service Inquiry report into the incident involving Lynx XZ210 on 1 Dec 11
  • 8 February 2013
  • Corporate report
• Service Inquiry report into the occurrence involving Squirrel HT1 ZJ276 on 20 April 2012
  • 6 February 2013
  • Corporate report
• Service Inquiry report into the occurrence involving Chinook ZA671 on 07 April 2012
  • 6 February 2013
  • Corporate report

2012

• Service inquiry: accident involving Red Arrows Hawk T Mk1 XX179 near Bournemouth
  • 18 December 2012
  • Corporate report
• Service Inquiry investigating the accident involving Unmanned Air System (UAS) Hermes 450, ZK515 on 2 October 2011
  • 30 March 2012
  • Corporate report
• Service Inquiry: low flying incident Tornado ZA557, Peebles
  • 5 January 2012
  • Corporate report

2011

• Service Inquiry: incident involving Chinook ZH898, oxfordshire
  • 15 December 2011
  • Corporate report
• Service inquiry investigating the accident to Tornado GR4 ZG792 on 27 Jan 11
  • 28 July 2011
  • Corporate report
• Service Inquiry report into accident involving Puma XW211 on 5 Jul 2011
  • 1 July 2011
  • Corporate report

DSA Non-Statutory Inquiry reports

• Non-Statutory Inquiry (NSI) report following a fatality during the Basic Sea Safety Course at Horsea Island, Portsmouth on 18 October 2019
  • 28 July 2021
  • Corporate report
• The Non-Statutory Inquiry (NSI) report into a RAF BLSA Luge accident at Igls Austria on 29 January 2018
  • 13 September 2018
  • Corporate report

Published 21 August 2025

Last updated 24 February 2026 + show all updates

1. 24 February 2026

   Removed: Service Inquiry to investigate the circumstances surrounding alleged unacceptable behaviour by UK Service Personnel in Kenya in contravention of MoD and Army policy on Sexual Exploitation and Abuse.

2. 21 August 2025

   First published.