Le Tonnant

Nominal Guns84FWAS1786
NationalityRoyaume de France
OperatorState Navy
Keel Laid Down11.1787FWAS1786
First Commissioned9.1790FWAS1786
How acquiredPurpose builtFWAS1786
ShipyardToulon Dockyard - Toulon FWAS1786
Ship ClassTonnant ClassFWAS1786
Designed by Jacques-Noël Sané (1740-1831)FWAS1786
Constructor Jean Marguerite Tupinier (1779-1850)FWAS1786
CategoryThird RateFWAS1786
National RatePremier RangFWAS1786
Ship TypeShip of the Line FWAS1786
Sailing RigShip RiggedFWAS1786
BecomesBritish Third Rate ship of the line 'Tonnant' (1798) (80)


DimensionMeasurementTypeMetric EquivalentNNF-1774
Length of Gundeck182' 6"French Feet (Pied du Roi)59.1156 (193′ 11″ Imperial)
Length of Keel167' 0"French Feet (Pied du Roi)54.2416 (177′ 11″ Imperial)
Breadth47' 0"French Feet (Pied du Roi)15.2656 (50′ 0″ Imperial)
Depth in Hold23' 0"French Feet (Pied du Roi)7.4704 (24′ 6″ Imperial)


12.10.1789Broadside Weight = 1104 French Livre (1191.4368 lbs 540.408 kg)NNF-1774
Lower Gun Deck30 French 36-Pounder
Upper Gun Deck32 French 24-Pounder
Quarterdeck/Forecastle4 French 36-Pounder Obusier
Quarterdeck/Forecastle18 French 12-Pounder

Crew Complement

Date# of MenNotesSource
29.9.1787594Peace time complementFWAS1786
29.9.1787852Design Complement

2 Ship Commanders

1794 - 1795Capitaine de Pavillon Julien Marie Cosmao-Kerjulien (1761-1825)FWIKI1798 - 2.8.1798Capitaine de Vaisseau Aristide Aubert du Petit Thouars (1760-1798)

2 Flag Officers

1.7.1792 - 2.1793Contre-AmiralChevalier Laurent Jean François Truguet (1752-1839)FWIKI1794 - 1795Contre-Amiral Jean Louis Delmotte (1751/52-1816)FWIKI

1 Warrant Officer

1792 - 7.1792Enseigne de Vaisseau Jean François Timothée Trullet (1755-1819)ref:631

Service History

8.1793In ToulonW005
8.1793Taken by the British ToulonFWAS1786
29.8.1793Siege of Toulon
3.3.1795Left Toulon as part of a French fleet under Contre-Amiral Claude Jean Martin
14.3.1795Action off Genoa
13.7.1795Battle of Hyeres
1.8.1798Battle of the Nile
2.8.1798Taken by the British Aboukir BayFWAS1786


Previous comments on this page

Posted by F.F. on Thursday 22nd of June 2017 17:50

Displacement 3787t (“3868 tonneaux de poids”) according to admiral Édouard Burgues de Missiessy (Patrick Villiers, Les Vaisseaux français en 1805, page 10).

182 French feet and 6 inches ≈ 59.28 meters
47 French feet ≈ 15.27 meters
2284 tons burthen according to the Royal Navy.

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