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The Defence Safety Authority is established by a Charter issued by the Secretary of State (SofS) empowering it as an independent Regulator and Investigator for Health, Safety and Environmental Protection (HS&EP) in Defen…

• Updated: 21 January 2025

This series brings together documents relating to Joint Service Publication (JSP) 403: handbook of defence ranges safety.

• Updated: 18 June 2020

DSA02 DFSR Defence Structural Fire Fighting Regulations provide guidance to risk owners, Commanding Officers, heads of establishment and fire service providers to ensure they are capable of meeting the requirements.

• Updated: 29 January 2024

DSA 03 OME part 1 provides guidance to ensure that the risks associated with Ordnance, Munitions and Explosives (OME) are as low as reasonably practicable when in use, stored, moved, and disposed.

• Updated: 15 July 2025

This series brings together the DSA regulations.

• Updated: 26 January 2024

This document explains how the Defence Safety Authority (DSA) conducts assurance.

• Updated: 29 January 2024

This volume explains in detail the design and construction of standard and non-standard military small arms (SA) and infantry weapon systems (IWS) ranges.

• Updated: 20 May 2015

DSA 03.OME part 4: Major Accident Control Regulations (MACR) provides guidance with respect to achieving regulatory compliance with DSA 02.OME part 4 regulations.

• Updated: 16 September 2024

Service Inquiry into the loss of F-35B Lightning ZM152 (BK-18) of 617 Squadron RAF, embarked on HMS QUEEN ELIZABETH.

• Updated: 10 August 2023

The Service Inquiry report into the death of a service person during an adventurous training expedition to Stubai Glacier, Austria on 11 March 2023.

• Updated: 20 March 2025