French Third Rate ship of the line 'L'Océan' (1756)

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Britannia (100) 1762-1825
British 100 Gun
1st Rate Ship of the Line
1812 Renamed "Princess Royal"
1812 Renamed "Saint George"
1819 Renamed "Barfleur"
(1762)
Devastation (6) 1841-1866
British 6 Gun
Unrated Steam Sloop
(1841)
Zephyr (8) 1790-1798
British 8 Gun
Merchant East Indiaman
(1790)
Pembroke (60) 1733-1749
British 60 Gun
4th Rate Ship of the Line
(1733)
Mercury (20) 1745-1753
British 20 Gun
6th Rate Ship
(1745)
Seahorse (24) 1748-1784
British 24 Gun
6th Rate Frigate
(1748)
Charles PowlettBritish
Naval Sailor
Service 1728-1749
Namur (74) 1746-1749
British 74 Gun
3rd Rate Ship of the Line
(1746)
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3rd Rate Ship of the Line
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L'Océan
Nominal Guns	80	NNF-1715
Nationality	Royaume de France
Operator	Marine Royale
Keel Laid Down	5.1753	NNF-1715
Named	2.7.1751	FWAS1626
Launched	20.6.1756	NNF-1715
First Commissioned	8.1757	NNF-1715
How acquired	Purpose built	NNF-1715
Shipyard	Toulon Dockyard - Toulon	NNF-1715
Designed by	Antoine GroignardFrench Naval Sailor Designer Ship Builder Administrator Service 1744-1798	FWAS1626
Constructor	Joseph Véronique Charles ChapelleFrench Ship Builder Service 1735-1776	NNF-1715
Category	Third Rate	NNF-1715
National Rate	Premier Rang	NNF-1715
Ship Type	Ship of the Line	NNF-1715
Sailing Rig	Ship Rigged	NNF-1715
Sunk in Action	19.8.1759	NNF-1715

Dimensions

DimensionMeasurementTypeMetric EquivalentNNF-1715
Length of Gundeck175' 0"French Feet (Pied du Roi)56.84 (186′ 5″ Imperial)
Length of Keel154' 0"French Feet (Pied du Roi)50.0192 (164′ 1″ Imperial)
Breadth48' 0"French Feet (Pied du Roi)15.5904 (51′ 1″ Imperial)
Depth in Hold23' 0"French Feet (Pied du Roi)7.4704 (24′ 6″ Imperial)
Burthen1,900Ton
DimensionMeasurementTypeMetric EquivalentFWAS1626
Length of Gundeck174' 0"French Feet (Pied du Roi)56.5152 (185′ 4″ Imperial)
Length of Keel152' 6"French Feet (Pied du Roi)49.3727 (161′ 11″ Imperial)
Breadth44' 6"French Feet (Pied du Roi)14.3318 (47′ 0″ Imperial)
Depth in Hold22' 6"French Feet (Pied du Roi)7.2268 (23′ 8″ Imperial)
Draught Forward20' 6"French Feet (Pied du Roi)6.6584 (21′ 10″ Imperial)
Draught Aft22' 0"French Feet (Pied du Roi)7.1456 (23′ 5″ Imperial)
Displacement3,400Ton
Burthen1,800Tonneaux

Armament

8.1757Broadside Weight = 900 French Livre (971.28 lbs 440.55 kg)FWAS1626
Lower Gun Deck30 French 36-Pounder
Upper Gun Deck32 French 18-Pounder
Quarterdeck12 French 8-Pounder
Forecastle6 French 8-Pounder

Crew Complement

Date# of MenNotesSource
12.1752800 NNF-1715

1 Ship Commander

DatesRankNameSource
1759 - 18.8.1759Capitaine de VaisseauFWIKI

2 Flag Officers

DatesRankNameSource
1757Chef d'Escadreref:6313.1759 - 18.8.1759Chef d'Escadreref:1365

3 Commissioned Officers

DatesRankNameSource
1759 - 18.8.1759Lieutenant de Vaisseauref:6731759 - 18.8.1759Lieutenant de Vaisseauref:6311759 - 18.8.1759Lieutenant de Vaisseauref:1275

1 Warrant Officer

DatesRankNameSource
1756 - 1758Enseigne de Vaisseau, Sous-Lieutenant d'Artillerie , no monthref:631

1 Petty Officer

DatesRatingNameSource
1757Garde de la Marineref:673

Service History

DateEventSource
18.8.1759Battle of Lagos Bay

Sources

IDNameAuthorType

FWAS1626Stephen S. Roberts, Rif Winfield, Book

FWIKIVarious, Web Site

NNF-1715Alain Demerliac, Book

ref:1275 Web Site

ref:1365 Digital Book

ref:631 Web Site

ref:673 Web Site

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Date posted	By	Page
Monday 8th of June 2026 17:20	F.F.	British First Rate ship of the line 'Britannia' (1762) (100) 1762-1825 British 100 Gun 1st Rate Ship of the Line 1812 Renamed "Princess Royal" 1812 Renamed "Saint George" 1819 Renamed "Barfleur"
Thursday 4th of June 2026 20:01	James Daschuk	British steam sloop 'Devastation' (1841) (6) 1841-1866 British 6 Gun Unrated Steam Sloop
Thursday 4th of June 2026 14:56	AvM	British Merchant east indiaman 'Zephyr' (1790) (8) 1790-1798 British 8 Gun Merchant East Indiaman
Wednesday 3rd of June 2026 19:37	Jon Miller	British Fourth Rate ship of the line 'Pembroke' (1733) (60) 1733-1749 British 60 Gun 4th Rate Ship of the Line
Wednesday 3rd of June 2026 19:33	Jon Miller	British Sixth Rate ship 'Mercury' (1745) (20) 1745-1753 British 20 Gun 6th Rate Ship

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