Firm-class floating battery

The Firm class was a Royal Navy class of two 16-gun floating batteries built to a design by Sir John Henslow, who took as his model the flat-bottomed Thames barge. Both were launched in late 1794 and were sold in 1803.[1]

Class overview
Name: Firm
Operators:  Royal Navy
Succeeded by: Musquito class
Planned: 2
Completed: 2
Retired: 2
General characteristics [1]
Type: Barge
Tons burthen: 397 694 (bm)
  • 96 ft 0 in (29.3 m) (gundeck)
  • 87 ft 8 18 in (26.7 m) (keel)
Beam: 31 ft 0 in (9.4 m)
Depth of hold: 7 ft 4 in (2.2 m)
Complement: 100
Armament: 16 × 18-pounder carronades


  • Firm was launched in May 1794 and commissioned in June. She was sold in May 1803.
  • Bravo was launched in May 1794 and commissioned in June. She then served in the Jersey flotilla under Commodore Philippe d'Auvergne, Prince de Bouillon. She was paid off 1802 and sold in Jersey in 1803.

Citations and references


  1. Winfield (2008), pp.382–383,


  • Winfield, Rif (2008). British Warships in the Age of Sail 1793–1817: Design, Construction, Careers and Fates. Seaforth. ISBN 1-86176-246-1., p. 361.

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