Defence Safety Authority

{{Short description|UK Ministry of Defence agency}}

{{Use dmy dates|date=April 2022}}

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| formed = 1 April 2015

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| jurisdiction = United Kingdom

| headquarters = Main Building, Whitehall, Westminster

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| chief1_name = Air Marshal Alan Gillespie

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| parent_agency = Ministry of Defence

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The Defence Safety Authority (DSA) is an agency of the United Kingdom Ministry of Defence which regulates safety and investigates accidents in the UK's Armed Forces.

The DSA was launched on 1 April 2015 and brings together the Defence Safety and Environment Authority (DSEA), Military Aviation Authority (MAA) and Defence Fire Safety Regulator (DFSR), to form a single common managed organization under the leadership of a 3-star Director General (DG) – DG DSA.{{cite web|url=https://www.gov.uk/government/news/new-defence-safety-authority-launched-today|title=New Defence Safety Authority launched today|date=1 April 2015|access-date=18 April 2017}} The Director-General is also the head of the Defence Accident Investigation Branch (DAIB){{Cite web|url=https://www.gov.uk/government/groups/defence-accident-investigation-branch-daib|title=Defence Accident Investigation Branch (DAIB)|website=GOV.UK}} (Formerly the Military Air Accident Investigation Branch (MilAAIB) and the Land Accident Investigation Team (LAIT)).{{cite web|publisher=Civil Service World|url=http://www.civilserviceworld.com/articles/news/mod-launch-integrated-defence-safety-authority|date= 2 March 2015|title=MOD launch integrated defence safety authority|access-date=18 April 2017}}