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HMS Impregnable (1786)

For other ships with the same name, see HMS Impregnable.

HMS Impregnable on 17 August 1789, when King George III visited the ship
History
Royal Navy EnsignGreat Britain
NameHMS Impregnable
Ordered13 September 1780
BuilderDeptford Dockyard
Laid downOctober 1781
Launched15 April 1786
FateWrecked 18 October 1799
Notes
General characteristics [1]
Class and typeLondon-class ship of the line
Tons burthen188647⁄94 (bm)
Length177 ft 6 in (54.10 m) (gundeck)
Beam49 ft (15 m)
Depth of hold21 ft (6.4 m)
PropulsionSails
Sail planFull-rigged ship
Armament
  • 98 guns:
  • Gundeck: 28 × 32 pdrs
  • Middle gundeck: 30 × 18 pdrs
  • Upper gundeck: 30 × 12 pdrs
  • Quarterdeck: 8 × 12 pdrs
  • Forecastle: 2 × 12 pdrs
The plan of Impregnable

HMS Impregnable was a Royal Navy 98-gun second rate ship of the line launched on 15 April 1786 at Deptford Dockyard.[1] She was wrecked in 1799 off Spithead.

Service

Impregnable was commissioned in October 1787 by Captain Thomas Pringle. In the following year command of the ship transferred to Captain Thomas Byard, and Impregnable served as flag ship to Vice-Admiral Thomas Graves as the guardship at Plymouth Dockyard. In May 1790 she was refitted at Plymouth in preparation for service in the Channel Fleet at the cost of £3,923.16.11d. This was in response to the Spanish Armament, and Impregnable served as flag ship to Rear-Admiral Sir Richard Bickerton from August. The ship continued in service during the Russian Armament of the following year, with her flag officer having changed to Rear-Admiral Phillips Cosby; at the end of this she was paid off in September.[2]

Impregnable was recommissioned in September 1793 by Captain George Blagdon Westcott to serve as the flag ship of Rear-Admiral Benjamin Caldwell, with the French Revolutionary Wars having begun. Under Caldwell and Westcott, she fought at the Glorious First of June in 1794.[2] In October of that year Westcott was replaced in command by Captain Charles Cotton, but in a quick carousel of captains, Cotton was in turn replaced by Captain Andrew Mitchell in 1795, and Captain John Thompson took over from Mitchell in July of that year.[3] Under Thompson Impregnable was paid off in August 1796, only to be recommissioned once again in June 1799, under Captain Jonathan Faulknor.[4]

Fate

Impregnable was lost off Chichester on 18 October.[1] She had escorted a convoy of 12 merchantmen from Lisbon to the Isle of Wight and her master, Michael Jenkins, was anxious to get into Spithead that night.[5] The result was that she ended up on the Chichester Shoals. Faulknor ordered the ship be lightened by cutting away the masts, and an attempt was made to anchor for the night.[6] At dawn the crew discovered that she had beaten a mile and a half over the shoals and now lay in mud flats near the entrance to Langstone Harbour.[5] The following day she was found to have bilged.

Faulknor determined that the ship could not be saved. A small flotilla of vessels from Langstone and Spithead dockyards was put to sea to assist, and successfully removed the crew, the ship's guns and other valuables.[6] The Admiralty later sold Impregnable's remains to a Portsmouth merchant, A. Lindenegren. A court martial on 30 October 1799 dismissed Master Jenkins from the service.[5]

Citations and notes

  1. ^ a b c Lavery (2003), p. 179.
  2. ^ a b Winfield (2007), p. 170.
  3. ^ Winfield (2007), pp. 170–171.
  4. ^ Winfield (2007), p. 171.
  5. ^ a b c Gossett (1986), pp. 23–24.
  6. ^ a b Grocott (1997), p. 81.

References

  • Gossett, William Patrick (1986). The lost ships of the Royal Navy, 1793-1900. Mansell. ISBN 0-7201-1816-6.
  • Grocott, Terence (1997). Shipwrecks of the Revolutionary & Napoleonic Eras. Chatham Publishing. ISBN 1861760302.
  • Lavery, Brian (2003). The Ship of the Line: The Development of the Battlefleet 1650–1850. Vol. 1. Conway Maritime Press. ISBN 0-85177-252-8.
  • Winfield, Rif (2007). British Warships in the Age of Sail 1714–1792: Design, Construction, Careers and Fates. London: Pen & Sword. ISBN 978-1-84415-700-6.
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