Nominal Guns44BWAS-1714
NationalityGreat Britain
OperatorRoyal Navy
Keel Laid Down11.6.1778BWAS-1714
How acquiredPurpose builtBWAS-1714
ShipyardRotherhithe - London - Surrey BWAS-1714
Ship ClassRoebuck ClassBWAS-1714
Designed bySir Thomas Slade (1703-1771)BWAS-1714
ConstructorJohn Randall (1755-1802)BWAS-1714
CategoryFifth RateBWAS-1714
Ship TypeShip of the Line BWAS-1714
Sailing RigShip RiggedBWAS-1714
Broken Up3.1815BWAS-1714


DimensionMeasurementTypeMetric EquivalentBWAS-1714
Length of Gundeck140' 4"Imperial Feet42.6745 
Length of Keel115' 11 ½"Imperial Feet35.0647 
Breadth38' 2"Imperial Feet11.5888 
Depth in Hold16' 4 ½"Imperial Feet4.8895 
Draught Forward10' 3"Imperial Feet3.1242 
Draught Aft14' 9"Imperial Feet4.3244 
Burthen898 4594Tons BM 


20.4.1780Broadside Weight = 285 Imperial Pound ( 129.2475 kg)BWAS-1714
Lower Gun Deck20 British 18-Pounder
Upper Gun Deck22 British 9-Pounder
Forecastle2 British 6-Pounder

7.1793Broadside Weight = 456 Imperial Pound ( 206.796 kg)BWAS-1714
Lower Gun Deck22 British 24-Pound Carronade
Upper Gun Deck20 British 12-Pounder
Quarterdeck4 British 24-Pound Carronade
Forecastle2 British 24-Pound Carronade

6.1796Broadside Weight = 90 Imperial Pound ( 40.815 kg)BWAS-1714
Upper Gun Deck16 British 9-Pounder
Quarterdeck4 British 6-Pounder
Forecastle2 British 6-Pounder

Crew Complement

Date# of MenNotesSource
1769280Design Complement

11 Commanding Officers

27.4.1780 - 7.5.1781CaptainJames Cumming (1738-1808) ADM 6/22/119BWAS-17147.5.1781 - 6.2.1784CaptainWilliam Swiney: on board from 30.5.1781 ADM 6/22/537
Issued by Marriot Arbuthnot (1711-1794), North America
Commission confirmed 5.11.1782
21.9.1790 - 6.2.1791CaptainJames Robert Mosse (d.1801) ADM 6/24/68ADM 6/2423.10.1790 - 6.2.1791CommanderWilliam Grosvenor (d.1809) ADM 6/24/82ADM 6/242.2.1791 - 5.1.1792CommanderJohn Shortland (d.1803): on board from 6.2.1791 ADM 6/24/106BWAS-171426.4.1793 - 12.1794CaptainVelters Cornewall Berkeley (1754-1804) ADM 6/24/233BWAS-171412.1794 - 4.1795CommanderWyndham Bryer (d.1794)BWAS-17144.1795 - 9.1695CaptainCharles SawyerBWAS-17149.1795 - 18.8.1795CommanderCharles Ogle (1775-1858)BWAS-17147.1796 - 8.1796LieutenantJohn NorrisBWAS-17148.1796 - 10.1798LieutenantRanceford TookeyBWAS-1714

1 Commissioned Officer

5.1781 - 15.4.1783First LieutenantThomas Williams (1761-1841)ODNB

1 Warrant Officer

20.5.1780 - 6.2.1784MasterJohn Pike (d.1818)ADM29-1

2 Crewmen

1794Able SeamanRobert SutherlandADM 171/81794Able SeamanJohn L StoveADM 171/8

Service History

20.4.1780building at Rotherhithe - London - Surrey at a cost of £12364.13.8dBWAS-1714
20.4.1780Began coppering at Deptford Dockyard - Deptford BWAS-1714
15.7.1780Completed coppering at Deptford Dockyard - Deptford BWAS-1714
27.10.1780Sailed for North AmericaBWAS-1714
23.5.1781Took the Brig Duke of Leinster (14)
17.6.1781Took the Frigate Rattlesnake (20) North America
15.9.1781Took the Brig Fair American (8)

Paid off

3.1785Began middling repair at Sheerness Dockyard - Sheerness BWAS-1714
10.1785Completed middling repair at Sheerness Dockyard - Sheerness at a cost of £8578.5.7dBWAS-1714

Paid off

2.1791Refitted as a 22 gun Unrated Troop Ship
2.1791Began fitting at Chatham Dockyard - Chatham BWAS-1714
4.1791Completed fitting at Chatham Dockyard - Chatham at a cost of £2692.0.0dBWAS-1714
11.5.1791Sailed for Halifax with troopsBWAS-1714
2.1794Sailed for the MediterraneanBWAS-1714
5.1794Sailed for the West IndiesBWAS-1714

Paid off at Sheerness Dockyard

1796Transfered to the Transport BoardBWAS-1714
2.1796Began fitting at Chatham Dockyard - Chatham BWAS-1714
6.1796Refitted as a 22 gun Unrated Troop Ship
7.1796Completed fitting at Chatham Dockyard - Chatham at a cost of £7008.0.0dBWAS-1714
8.1796Sailed for the MediterraneanBWAS-1714
10.1798Returned home from the MediterraneanBWAS-1714
3.1799Placed in ordinary at WoolwichBWAS-1714
3.1799Refitted as a Unrated Receiving Ship
3.1799fitting at Woolwich Dockyard - Woolwich at a cost of £1695.0.0dBWAS-1714
3.1815Broken up at WoolwichBWAS-1714


Previous comments on this page

Posted by Brian Stephens on Monday 7th of April 2014 18:24

Edinburgh Advertiser April 25, 1780
This day was launched at Rotherhithe, the Assurnace, a fine new frigate of 44 guns, on the new establishment. She is as long as the old 50 gun ships, and is to carry 34 guns on the main deck, and 10 on the quarter.

Make a comment about this page

Recent comments to other pages

Date postedByPage
Wednesday 1st of July 2020 11:29Ray MiltonBritish Third Rate ship of the line 'Conqueror' (1801) (74)
Tuesday 30th of June 2020 15:47Carlos AlvarezSpanish galley 'Santa Ana' (0000) (3)
Monday 29th of June 2020 20:04Adam QuinanBritish Third Rate ship of the line 'Indefatigable' (1784) (64)
Friday 26th of June 2020 20:19Albert ParkerSir John Lockhart (6th Baronet Lockhart-Ross of Carstairs) (1721-1790)
Wednesday 24th of June 2020 21:51regisJohn Perkins