HMS Mars (1794)

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In this painting of the Battle of Trafalgar by Nicholas Pocock, Mars is in the right foreground, just behind the captured Spanish ship Bahama.
Career (UK) Royal Navy Ensign
Name: HMS Mars
Ordered: 17 January 1788
Builder: Deptford Dockyard
Laid down: 10 October 1789
Launched: 25 October 1794
Honours and

Participated in:

Fate: Broken up, 1823
General characteristics [1]
Class and type: Mars-class ship of the line
Tons burthen: 1842 tons (1871.6 tonnes)
Length: 176 ft (54 m) (gundeck)
Beam: 49 ft (15 m)
Depth of hold: 20 ft (6.1 m)
Propulsion: Sails
Sail plan: Full rigged ship

74 guns:

  • Gundeck: 28 × 32 pdrs
  • Upper gundeck: 30 × 24 pdrs
  • Quarterdeck: 12 × 9 pdrs
  • Forecastle: 4 × 9 pdrs

HMS Mars was a 74-gun third-rate ship of the line of the Royal Navy, launched on 25 October 1794 at Deptford Dockyard.[1]


In the early part of the French Revolutionary Wars she was assigned to the Channel Fleet. In 1797 under Captain Alexander Hood she was prominent in the Spithead mutiny. In 1798 she fought a famous single-ship duel with the French seventy-four Hercule, in the dusk near the Pointe du Raz on the coast of Brittany. Hercule attempted to escape through the Passage du Raz but the tide was running in the wrong direction and she was forced to anchor, giving Captain Hood the chance to attack at close quarters. The two ships were of equal force, but Hercule was newly commissioned, and after more an hour and a half of bloody fighting at close quarters she struck her flag, having lost over three hundred men. On Mars 31 men were killed and 60 wounded. Among the dead was Captain Hood.

Mars fought at Trafalgar where she was heavily damaged as she took fire from five different French and Spanish seventy-fours. Among the 3 officers and 25 crew killed in action was her captain, George Duff.

In 1806, on service in the Channel fleet she took part in an action off Chasseron which led to the capture of four French ships. She afterwards served off Portugal and in the Baltic Sea.


Mars was placed in Ordinary from 1813. She was broken up in 1823.[1]


  1. 1.0 1.1 1.2 Lavery, Ships of the Line vol.1, p184.


ja:マーズ (戦列艦・4代)