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Diadem

395
Nominal Guns64BWAS-1714
NationalityGreat Britain
OperatorRoyal Navy
Ordered5.12.1777BWAS-1793
Keel Laid Down11.6.1778BWAS-1793
Named23.7.1778BWAS-1714
Launched19.12.1782BWAS-1714
How acquiredPurpose builtBWAS-1714
ShipyardHarwich - Essex BWAS-1714
Ship ClassIntrepid Class (1765)B028
Designed by
John WilliamsBritish
Designer
Ship Builder
Service 1762-1784
BWAS-1793
Constructor
Nicholas PhillipsBritish
Ship Builder
Dockyard Staff
Service 1772-1790
BWAS-1793
CategoryThird RateBWAS-1714
Ship TypeShip of the LineB028
Sailing RigShip RiggedB028
Broken Up9.1832B028

Dimensions


DimensionMeasurementTypeMetric EquivalentBWAS-1714
Length of Gundeck159' 10"Imperial Feet48.4632 
Length of Keel131' 1"Imperial Feet39.9296 
Breadth44' 5"Imperial Feet13.443 
Depth in Hold19' 0"Imperial Feet5.7912 
Draught Forward11' 11"Imperial Feet3.3782 
Draught Aft16' 7"Imperial Feet4.9064 
Burthen1,375 4794Tons BM 

Armament


19.12.1782Broadside Weight = 600 Imperial Pound ( 272.1 kg)BWAS-1793
Lower Gun Deck26 British 24-Pounder
Upper Gun Deck26 British 18-Pounder
Quarterdeck10 British 9-Pounder
Forecastle2 British 9-Pounder

Crew Complement


Date# of MenNotesSource
1777500Design Complement

15 Ship Commanders


DatesRankNameSource
28.11.1782 - 28.3.1783Captain
Thomas SymondsBritish
Naval Sailor
Service 1744-1786
ADM 6/22/546
BWAS-1714
28.3.1783 - 17.3.1786Captain
Thomas SymondsBritish
Naval Sailor
Service 1744-1786
ADM 6/23/41
ADM 6/23
20.2.1793 - bef.6.1795Captain
Andrew SutherlandBritish
Naval Sailor
Service 1770-1795
ADM 6/24/211
BWAS-1714
1795 - 1796Captain
Charles TylerBritish
Naval Sailor
Service 1779-1816
BWAS-1714
1796 - 1798Captain
George Henry TowryBritish
Naval Sailor
Service 1788-1805
BWAS-1714
1799 - 8.11.1799Captain
John DawsonBritish
Naval Sailor
Service 1781-1814
BWAS-1714
13.1.1800 - 1801Captain
Sir Thomas LivingstonBritish
Naval Sailor
Service 1790-1830
BWAS-1714
1801 - 10.4.1802Captain
John LarmourBritish
Naval Sailor
Service 1784-1807
BWAS-1714
12.1804 - 5.1805Captain
Home Riggs PophamBritish
Naval Sailor
Service 1783-1820
BWAS-1714
5.1805 - 1.1806Captain
Charles GrantBritish
Naval Sailor
Service 1790-1793
BWAS-1714
1.1806 - 8.1806Captain
Hugh DownmanBritish
Naval Sailor
Service 1776-1849
BWAS-1714
8.1806 - 28.4.1808Captain
Samuel WarrenBritish
Naval Sailor
Service 1790-1815
BWAS-1714
6.1810 - 5.1813Captain
John PhillimoreBritish
Naval Sailor
Service 1801-1822
BWAS-1714
5.1813 - 7.2.1815Captain
John Martin HanchettBritish
Naval Sailor
Service 1804-1807
BWAS-1714
8.1813 - 9.3.1814Acting Captain
Henry Dilkes ByngBritish
Naval Sailor
Service 1798-1846
NBD1849

3 Flag Officers


DatesRankNameSource
8.1796Commodore
Horatio NelsonBritish
Naval Sailor
Service 1771-1804
BWAS-1714
1.1806 - 8.1806Commodore
Home Riggs PophamBritish
Naval Sailor
Service 1783-1820
BWAS-1714
8.1806 - 1808Rear-Admiral of the White
Charles StirlingBritish
Naval Sailor
Service 1778-1813
BWAS-1714

18 Commissioned Officers


DatesRankNameSource
19.4.1783 - 10.5.1783Second Lieutenant
Thomas PresslandBritish
Naval Sailor
Service 1779-1803
ADM 6/23/52
ADM 6/23
10.5.1783 - 3.6.1783Third Lieutenant
Thomas PresslandBritish
Naval Sailor
Service 1779-1803
ADM 6/23/66
ADM 6/23
3.6.1783 - 16.12.1783Second Lieutenant
Thomas PresslandBritish
Naval Sailor
Service 1779-1803
Transfered ADM 6/23/79
ADM 6/23
5.9.1783 - 15.12.1783Third Lieutenant
John CrawleyBritish
Naval Sailor
Service 1782-1800
ADM 6/23/132
ADM 6/23
15.12.1783 - 17.3.1786Second Lieutenant
John CrawleyBritish
Naval Sailor
Service 1782-1800
ADM 6/23/172
ADM 6/23
15.12.1783 - 17.3.1786Third Lieutenant
Philip SomervilleBritish
Naval Sailor
Service 1782-1815
ADM 6/23/172
ADM 6/23
16.3.1791First Lieutenant
Peter RyeBritish
Naval Sailor
Service 1791-1814
ADM 6/24/119
ADM 6/24
16.3.1791Second Lieutenant
George StrangewaysBritish
Naval Sailor
Service 1791-1794
ADM 6/24/119
ADM 6/24
16.3.1791Third Lieutenant
William GaltonBritish
Naval Sailor
Service 1791-1803
ADM 6/24/119
ADM 6/24
16.3.1791Fourth Lieutenant
James CleverlyBritish
Naval Sailor
Service 1791-1793
ADM 6/24/119
ADM 6/24
20.2.1793 - 26.2.1793First Lieutenant
Peter McKellarBritish
Naval Sailor
Service 1782-1801
Transfered ADM 6/24/211
ADM 6/24
20.2.1793 - 1793Second Lieutenant
John JonesBritish
Naval Sailor
Service 1783-1793
ADM 6/24/211
ADM 6/24
20.2.1793 - 1793Third Lieutenant
John LeckieBritish
Naval Sailor
Service 1783-1793
ADM 6/24/211
ADM 6/24
20.2.1793 - 1793Fourth Lieutenant
Robert HoneymanBritish
Naval Sailor
Service 1790-1847
ADM 6/24/211
ADM 6/24
26.2.1793 - 1793Fifth Lieutenant
Richard GilbertBritish
Naval Sailor
Service 1790-1793
ADM 6/24/214
ADM 6/24
1.4.1793 - 1793First Lieutenant
Thomas CrawfordBritish
Naval Sailor
Service 1760-1793
ADM 6/24/225
ADM 6/24
6.12.1793 - 1794Fifth Lieutenant
Charles CameBritish
Naval Sailor
Service 1793-1796
ADM 6/25/50
Issued by
Alexander Arthur HoodBritish
Naval Sailor
Service 1741-1805
, The Mediterranean Sea
Confirmed 14.6.1794
ADM 6/25
1795Lieutenant
William Barnham RiderBritish
Naval Sailor
Service 1781-1847
ADM 171/8

1 Warrant Officer


DatesRankNameSource
4.3.1793 - 27.10.1795Master
Alexander CarrBritish
Naval Sailor
Service 1779-1799
ADM 29-1

4 Petty Officers


DatesRatingNameSource
1795Midshipman
Robert JulyanBritish
Naval Sailor
Service 1795-1816
ADM 171/8
1795 - 1796Midshipman
Thomas BriggsBritish
Naval Sailor
Service 1791-1847
NBD1849
1808Midshipman
Josiah OakeBritish
Naval Sailor
Service 1806-1846
NBD1849
4.1813 - 1814Master's Mate
William Boyle CrookeBritish
Naval Sailor
Service 1808-1815
NBD1849

7 Crewmen


DatesRatingNameSource
1.11.1780 - 9.5.1782Carpenter's Servant
William RamageBritish
Naval Sailor
Dockyard Staff
Service 1780-1822
ADM 29/8
1795Able Seaman
Edward HodgeBritish
Naval Sailor
Service 1795-1847
ADM 171/8
1795Able Seaman
Humphrey FryBritish
Naval Sailor
Service 1795
ADM 171/8
1795Ordinary Seaman
Hugh McQuinnBritish
Naval Sailor
Service 1795
ADM 171/8
1795Ordinary Seaman
John ClarkeBritish
Naval Sailor
Service 1795-1847
ADM 171/8
17953rd Class Boy
William WalkerBritish
Naval Sailor
Service 1795-1847
ADM 171/8
1795Boy
Christopher BantBritish
Naval Sailor
Service 1795-1847
ADM 171/8

Service History


DateEventSource
3.1783Commissioned as a guard ship at ChathamBWAS-1714
19.7.1783Completed at Chatham Dockyard - Chatham at a cost of £36401.9.8dBWAS-1714
1784Guard ship at PlymouthBWAS-1714
4.1784repairs at Plymouth Dockyard - Plymouth at a cost of £1547.3.4dBWAS-1714
17.3.1786

Paid off

BWAS-1714
1.1790Began small repair at Plymouth Dockyard - Plymouth BWAS-1714
5.1790Completed small repair at Plymouth Dockyard - Plymouth at a cost of £7706.0.3dBWAS-1714
1.1793Began fitting at Plymouth Dockyard - Plymouth BWAS-1714
5.1793Completed fitting at Plymouth Dockyard - Plymouth at a cost of £5053.0.0dBWAS-1714
15.10.1793Sailed for the MediterraneanBWAS-1714
1794Toulon operationsBWAS-1714
14.3.1795Action off Genoa
13.7.1795Battle of Hyeres
4.1796Off GenoaBWAS-1714
14.2.17972nd Battle of Cape St Vincent
4.1797Blockade of CadizBWAS-1714
4.1798Began fitting at Plymouth Dockyard - Plymouth BWAS-1714
5.1798Completed fitting at Plymouth Dockyard - Plymouth at a cost of £7412.0.0dBWAS-1714
1799Rerated as a Troop Ship
7.4.1799

Sailed from Portsmouth for Dublin with troops, armed en-flute.

TNC
5.1799Began fitting at Portsmouth Dockyard - Portsmouth BWAS-1714
7.1799Completed fitting at Portsmouth Dockyard - Portsmouth at a cost of £6733.0.0dBWAS-1714
8.11.1799Paid offADM 51
4.1800Quiberon Bay operationsBWAS-1714
1.6.1800Operation in Quiberon Bay
8.3.1801Landings in Aboukir BayBWAS-1714
10.4.1802

Paid off

BWAS-1714
4.1804Began middling repair at Woolwich Dockyard - Woolwich BWAS-1714
12.1804Refitted as a 64 gun Third Rate Ship of the Line
1.1805Completed middling repair at Woolwich Dockyard - Woolwich BWAS-1714
4.3.1806Took the Frigate
La Volontaire (44) 1796-1806
French 44 Gun
5th Rate Frigate
at the Cape of Good Hope

30.7.1806Took the Brig
Arrogant (Unknown) 1806-1806
Spanish Unknown Gun
Unrated Brig
off Montivideo

4.1810Began fitting at Chatham Dockyard - Chatham BWAS-1714
6.1810Refitted as a Unrated Troop Ship
7.1810Completed fitting at Chatham Dockyard - Chatham BWAS-1714
1812To the Halifax stationBWAS-1714
22.6.1813Boat attack on Norfolk, VABWAS-1714
7.2.1815Paid offADM 51
5.1815Began fitting at Chatham Dockyard - Chatham BWAS-1714
6.1815Refitted as a Unrated Receiving Ship
6.1815Completed fitting at Chatham Dockyard - Chatham BWAS-1714
1822Refitted as a Unrated Troop Ship
1825Receiving ship at PlymouthBWAS-1714
1825Refitted as a Unrated Receiving Ship

 
Previous comments on this page

Posted by Jon Miller on Thursday 16th of July 2026 05:28

Prize Money: Captain, Diadem, Blanche, and Lively – On the 21st inst at No 13, Hart-street, Bloomsbury, London, for the capture of the Lucretia, Sept 27,1796. Recall at the same place. [Hampshire Telegraph, 18 May 1801]


Posted by Jon Miller on Tuesday 16th of June 2026 20:20

The following ships are now getting ready in Chatham dock yard, the Bellona of 74, Atlas of 90, Diadem of 64, Leander of 50, Dolphin of 44, and the Amphion frigate of 32 guns. The shipwrights work two tide extra. [Exeter Flying Post, 7 January 1780]


Posted by Jon Miller on Tuesday 16th of June 2026 02:41

Portsmouth, 19 October 1799: Monday last, pursuant to an order from the Right Honourable the Lords Commissioners of the Admiralty, a Court Martial was held on board His Majesty’s ship Gladiator, on William Moore, a seaman belonging to the Diadem, of 64 guns, Captain Dawson, for having declared that if every man was of his mind, they would drag Lieutenants Rowe and Dyer out of their cabins and murder them, and for uttering other mutinous expressions. The charges being proved, the prisoner was sentenced by the court to receive 200 lashes on board of, and alongside such ships as the Commander in Chief should direct; to be mulcted of his pay, and to two years solitary confinement in the Marshalsea. [Hampshire Telegraph, 21 October 1799]


Posted by Jon Miller on Tuesday 16th of June 2026 02:39

Portsmouth, 19 October 1799: Wednesday a Court Martial was held on board the Gladiator, , on Robert Nelson, quarter-master of his Majesty’s ship Diadem, for mutinous expressions. He was acquitted.
Also William Sheard, John Moore, Henry Jones, and John Porteus, seamen of the same ship, for writing a letter, containing false charges, against Capt Dawson, and the officers of the Diadem, and other mutinous conduct. Jones and Porteus were found guilty. The latter, being writer of the letter, was sentenced to receive one hundred lashes from ship to ship, and be imprisoned one year in solitary confinement in the Marshalsea. Jones is to have fifty lashes in his own ship. Sheard and Moore were acquitted. [Hampshire Telegraph, 21 October 1799]


Posted by Jon Miller on Friday 12th of June 2026 03:01

A Spanish privateer, the Conception schooner, has been captured, and sent into Falmouth, by his Majesty’s ship the Diadem, Captain Towry. [Hampshire Chronicle, 8 April 1797]


Posted by Carole Riley on Saturday 11th of December 2021 16:59

My ancestor, John Wightman, served as Assistant Carpenter on Diadem between 16/12/1804 and 5/3/1806. He was at the capture of Volontaire, and transferred to Volontaire, promoted to Carpenter.


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