Port Mahon

Nominal Guns20BWAS-1714
NationalityGreat Britain
OperatorRoyal Navy
Keel Laid Down17.10.1739BWAS-1714
First Commissioned15.7.1740
How acquiredPurpose builtBWAS-1714
ShipyardDeptford BWAS-1714
Designed bySurveyors TheBWAS-1714
ConstructorJohn BuxtonBWAS-1714
CategorySixth RateBWAS-1714
Ship TypeShip
Sailing RigShip Rigged


DimensionMeasurementTypeMetric EquivalentBWAS-1714
Length of Gundeck106' 4"Imperial Feet32.3257 
Length of Keel87' 5 ¼"Imperial Feet26.524 
Breadth30' 8"Imperial Feet9.3472 
Depth in Hold9' 4"Imperial Feet2.8448 
Burthen437 3494Tons BM 


26.8.1740Broadside Weight = 90 Imperial Pound ( 40.815 kg)BWAS-1714
Upper Gun Deck20 British 9-Pounder

6.1747Broadside Weight = 102 Imperial Pound ( 46.257 kg)BWAS-1714
Lower Gun Deck2 British 9-Pounder
Upper Gun Deck20 British 9-Pounder
Quarterdeck2 British 3-Pounder

Crew Complement

Date# of MenNotesSource
1733140Design Complement

15 Commanding Officers

15.7.1740 - 17.9.1741CaptainHarry Powlett (1720-1794) ADM 6/15/309BWAS-171418.9.1741 - 1743CaptainHenry Aylmer (1718-1766) ADM 6/15/458BWAS-17145.6.1744 - 4.1746CaptainThomas Harrison (d.1749)B05112.4.1746 - 8.1747CaptainAndrew Jelfe (d.1765)BWAS-171421.8.1747 - 1749CaptainRobert Askew (d.1757)BWAS-17141.1753 - 1754CaptainJohn Montagu (1719-1795)BWAS-17141754 - 4.1756CaptainRobert Hughes (1716-1774)BWAS-17149.4.1756 - 4.1757CaptainSir William Trelawny (c.1722-1772)BWAS-17144.1757CaptainAlexander Campbell (d.1758)BWAS-17148.4.1757 - 1758CaptainSamuel Wallis (1728-1795)BWAS-17141758 - 9.1758CaptainJohn Ferguson (d.1818)BWAS-17149.1758 - 2.1759CaptainSamuel Wallis (1728-1795)BWAS-171422.2.1759 - 1762CaptainThomas Lempriere (d.1763)BWAS-17141762 - 1763CaptainRichard Bickerton (1727-1792)BWAS-17141763 - 4.1763CommanderJohn Hinxman (c.1711-c.1764)BWAS-1714

Service History

26.8.1740building at Deptford at a cost of £3879.0.0dBWAS-1714
26.8.1740Began fitting at Deptford Dockyard BWAS-1714
7.9.1740Completed fitting at Deptford Dockyard at a cost of £3002.17.9dBWAS-1714
1741In the Bay of BiscayBWAS-1714
2.1742In the Western ApproachesBWAS-1714
30.4.1742Took the Unrated Sloop Peregrina (14)
9.6.1743Took the Privateer Santa Theresa y Jesus
10.5.1744Took the Privateer Le Lion D'Or
5.1745In the ChannelBWAS-1714
2.1746Sailed to the coast of ScotlandBWAS-1714
27.3.1746Took the Privateer Le Phelypeaux
4.1747Began small repair at Deptford Dockyard BWAS-1714
6.1747Refitted as a 24 gun Sixth Rate Ship
6.1747Completed small repair at Deptford Dockyard at a cost of £2889.19.3dBWAS-1714
19.7.1747Took the Privateer Le Lévrier Volant
1748At Annapolis RoyalBWAS-1714
6.1752Began middling repair at Plymouth Dockyard BWAS-1714
11.1752Completed middling repair at Plymouth Dockyard at a cost of £2946.18.1dBWAS-1714
1.1755Sailed for VirginiaBWAS-1714
4.1756In the DownsBWAS-1714
23.4.1757Sailed for North AmericaBWAS-1714
1759Sailed for JamaicaBWAS-1714
6.6.1762Operations against Havanna
4.1763Paid offBWAS-1714
29.6.1763Sold at Portsmouth for £1,150BWAS-1714


BWAS-1714 British Warships in the Age of Sail 1714 - 1792Rif WinfieldBook
B051 Biographia Navalis - Volume IIIJohn CharnockDigital Book

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