Category:Director Firing Systems (UK)

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The Royal Navy's Director Firing Systems grew from a complete system which centralised elevation, training and firing of the main batteries of capital ships which was being fitted as the war began. As resources and opportunity permitted this system inspired less comprehensive systems suitable to cruisers, flotilla leaders and eventually event destroyers.

Common Improvements

In 1917, it was decided that future directors whose design formerly called for separate main and auxiliary firing pistols should instead have a single pistol with dual contacts and circuitry. It was not specified whether this change would eliminate, or simplify, or not impact at all the design and function of the firing circuit selection switch at the director.[1]

See Also


  1. Annual Report of the Torpedo School, 1917. p. 229.


  • Admiralty, Gunnery Branch (1917). The Director Firing Handbook. O.U. 6125 (late C.B. 1259). Copy No. 322 at The National Archives. ADM 186/227.
  • Admiralty, Gunnery Branch (1918). Director Firing For Flotilla Leaders and Destroyers. Pub. No. B.R. 934 (late O.U. 6127 and C.B. 1461 and 1461(A). The National Archives. ADM 186/234.
  • Admiralty, Technical History Section (1919). The Technical History and Index: Fire Control in H.M. Ships. Vol. 3, Part 23. C.B. 1515 (23) now O.U. 6171/14. At The National Archives. ADM 275/19.
  • Brooks, John (2005). Dreadnought Gunnery and the Battle of Jutland: The Question of Fire Control. Oxon: Routledge. ISBN 0714657026. (on and

Pages in category "Director Firing Systems (UK)"

The following 2 pages are in this category, out of 2 total.