British Sixth Rate ship 'Port Mahon' (1740)

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Port Mahon

5884
Nominal Guns20BWAS-1714
NationalityGreat Britain
OperatorRoyal Navy
Ordered4.10.1739BWAS-1714
Keel Laid Down17.10.1739BWAS-1714
Launched26.8.1740BWAS-1714
First Commissioned15.7.1740BWAS-1714
How acquiredPurpose builtBWAS-1714
ShipyardDeptford - London BWAS-1714
Designed by The SurveyorsBWAS-1714
Constructor John BuxtonBWAS-1714
CategorySixth RateBWAS-1714
Ship TypeShip BWAS-1714
Sailing RigShip RiggedBWAS-1714
Sold29.6.1763BWAS-1714

Dimensions


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 34⁄94Tons BM 

Armament


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 Ship Commanders


DatesRankNameSource
15.7.1740 - 29.7.1741Captain Harry Powlett (1720-1794) Transfered ADM 6/15/309BWAS-171418.9.1741 - 4.6.1744Captain Henry Aylmer (1718-1766) ADM 6/15/458BWAS-17145.6.1744 - 11.8.1745Captain Thomas Harrison (d.1749) Transfered ADM 6/16/317B05112.7.1745 - 11.4.1746Captain Roger Adams (d.1749) ADM 6/16/508ADM 6/1612.4.1746 - 19.8.1747Captain Andrew Jelfe (d.1765) Transfered ADM 6/17/87BWAS-171421.8.1747 - 27.12.1748Captain Robert Askew (d.1756) ADM 6/17/260BWAS-171423.1.1753 - 24.1.1754Captain John Montagu (1719-1795) ADM 6/18/56BWAS-171424.1.1754 - 9.4.1756Captain Robert Hughes (c.1716-1774) ADM 6/18/88BWAS-17149.4.1756 - 4.4.1757CaptainSir William Trelawny (c.1722-1772)BWAS-17144.4.1757 - 8.4.1757Captain Alexander Campbell (d.1758) ADM 6/18/379BWAS-17148.4.1757 - 30.9.1758Captain Samuel Wallis (1728-1795) ADM 6/18/383BWAS-171430.9.1758 - 15.2.1759Captain John Ferguson (c.1708-1767) Transfered ADM 6/19/18
Issued by The Hon. Edward Boscawen (1711-1761), North America
Confirmed 2.1.1759ADM 6/1930.1.1759 - 22.2.1759Commander John Hinxman (c.1711-c.1764) ADM 6/19/301
Issued by Thomas Coates (1712-1767), Jamaica - Greater Antilles
Confirmed 23.3.1761BWAS-171422.2.1759 - 12.3.1762Captain Thomas Lempriere (d.1763) ADM 6/19/39BWAS-171412.3.1762 - 22.3.1763Captain Richard Bickerton (1727-1792)BWAS-1714

2 Commissioned Officers


DatesRankNameSource
10.6.1746 - 9.6.1747Lieutenant John Hickes (c.1726-c.1764) ADM 6/17/114ADM 6/179.6.1747 - 27.12.1748Lieutenant John Selden ADM 6/17/235ADM 6/19

Service History


DateEventSource
26.8.1740building at Deptford - London at a cost of £3879.0.0dBWAS-1714
26.8.1740Began fitting at Deptford Dockyard - Deptford BWAS-1714
7.9.1740Completed fitting at Deptford Dockyard - Deptford at a cost of £3002.17.9dBWAS-1714
1741In the Bay of BiscayBWAS-1714
2.1742In the Western ApproachesBWAS-1714
30.4.1742Took the 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 - Deptford BWAS-1714
6.1747Refitted as a 24 gun Sixth Rate Ship
6.1747Completed small repair at Deptford Dockyard - Deptford at a cost of £2889.19.3dBWAS-1714
19.7.1747Took the Privateer Le Lévrier Volant
1748At Annapolis RoyalBWAS-1714
23.11.1748Arrived at Plymouth ADM 106
27.12.1748

Paid off at Plymouth Dockyard

ADM 106
20.1.1748/49SurveyedBWAS-1714
6.1752Began middling repair at Plymouth Dockyard - Plymouth BWAS-1714
11.1752Completed middling repair at Plymouth Dockyard - Plymouth 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
8.1757Louisbourg Expedition
6.6.1758The Siege of Louisbourg
1759Sailed for JamaicaBWAS-1714
6.6.1762Operations against Havana
22.3.1763

Paid off

ADM 51
3.6.1763SurveyedBWAS-1714
29.6.1763Sold at Portsmouth for £1,150BWAS-1714

 
Previous comments on this page

Posted by Paul L Pace on Saturday 9th of January 2021 15:35

Extract of a Letter from Plymouth, March 12 [1756].
‘…Yesterday Morning arrived in the Sound six Sail of Transports from Cork under Convoy of the [24-gun HMS] Portmahon having on board [Lt.] General [Charles] Otway’s [35th] Regiment called the Buffs, and [Maj. Gen.] Lord John Murray’s [42nd] Regiment of Highlanders: They had a very fine Passage, being but 45 Hours from Cork to Plymouth.’

Source: Ipswich Journal, Mar. 20, 1756, p. 2.

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