Porpoise -> 1778 Firebrand

Nominal Guns16BWAS-1714
NationalityGreat Britain
OperatorRoyal Navy
First Commissioned9.4.1777BWAS-1714
Ship TypeSloop BWAS-1714
Sailing RigShip RiggedBWAS-1714


DimensionMeasurementTypeMetric EquivalentBWAS-1714
Length of Gundeck104' 0"Imperial Feet31.6992 
Length of Keel86' 0"Imperial Feet26.2128 
Breadth29' 7 ⅝"Imperial Feet8.8551 
Depth in Hold11' 4 ¾"Imperial Feet3.3719 
Burthen401 7194Tons BM 


3.1777Broadside Weight = 51.5 Imperial Pound ( 23.3556 kg)BWAS-1714
Upper Gun Deck16 British 6-Pounder
Upper Gun Deck14 British 1/2-Pound Swivel

4 Commanding Officers

9.4.1777 - 3.9.1778CommanderThomas Haynes (c.1732-1789) ADM 6/21/276BWAS-17143.9.1778 - 19.2.1780CommanderGeorge Cranfield Berkeley (1753-1818) ADM 6/21/447BWAS-171419.2.1780 - 15.8.1781CommanderGeorge Robertson (c.1739-1791) ADM 6/22/91BWAS-171415.8.1781 - 11.10.1781CommanderRichard Hill (d.1799) ADM 6/22/325BWAS-1714

Service History

11.2.1777Began fitting at Rotherhithe - London - Surrey BWAS-1714
10.3.1777Completed fitting at Rotherhithe - London - Surrey at a cost of £6075.11.0dBWAS-1714
10.3.1777Began fitting at Deptford Dockyard - Deptford BWAS-1714
21.3.1777Completed fitting at Deptford Dockyard - Deptford at a cost of £1497.4.8dBWAS-1714
17.4.1777Sailed for JamaicaBWAS-1714
23.7.1778Refitted as a 8 gun Unrated Fireship
23.7.1778Renamed FirebrandBWAS-1714
8.1778Began fitting at Portsmouth Dockyard - Portsmouth BWAS-1714
4.1779Completed fitting at Portsmouth Dockyard - Portsmouth at a cost of £3017.0.1dBWAS-1714
9.1779Sailed to the relief of GuernseyBWAS-1714
5.1780coppering and fitting at Plymouth Dockyard - Plymouth at a cost of £1385.2.2dBWAS-1714
12.4.1781Sailed to the relief of GibraltarBWAS-1714
11.10.1781Burnt and exploded by accident off FalmouthBWAS-1714

Notes on Ship

Mercantile Annapolis. Possibly built by Randall & Co at Rotherhithe


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