British and Allied Warships Lost In Second World War
These records document British and Allied warships lost during the Second World War, recording vessels destroyed by enemy action, accidents, or operational hazards between 1939 and 1945. They provide vital information that gives context to your naval ancestor's experience during the Second World War, including how and where their ship was lost.
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These records document British and Allied warships lost during the Second World War, recording vessels destroyed by enemy action, accidents, or operational hazards between 1939 and 1945. They provide vital information that gives context to your naval ancestor's experience during the Second World War, including how and where their ship was lost.
Learn about these records
You will find information including -
Ship name
Ship class
Tonnage
Sunk by
Date
Weapon
Day or night
Task
Position
Area
During the Second World War, the Royal Navy suffered extensive warship losses as it fought across the Atlantic, Mediterranean, Arctic, Indian Ocean, and Pacific. Britain lost hundreds of naval vessels, ranging from battleships, aircraft carriers, cruisers, destroyers, and submarines to smaller escorts, minesweepers, and auxiliary craft. These ships were sunk by a combination of German and Japanese submarines, air attack, naval mines, surface engagements, and operational accidents, often while performing routine but dangerous duties such as convoy escort, patrol, amphibious landings, and shore bombardment. Many losses occurred far from headline battles, reflecting the constant, grinding nature of naval warfare and the Royal Navy’s role as a global force stretched across multiple fronts. Together, these losses underline both the scale of Britain’s maritime commitment and the high price paid to maintain control of the seas between 1939 and 1945.
HMS Hood
HMS Hood was launched in 1918 and became the most famous warship in the Royal Navy, a symbol of British naval power in the interwar years. As the largest and fastest battlecruiser of her time, Hood spent much of the 1920s and 1930s on high-profile duties, including global cruises and diplomatic visits, projecting British influence and reassuring allies across the empire. Her size, speed, and reputation earned her the nickname “The Mighty Hood,” and for a generation she embodied confidence in Britain’s naval supremacy, despite growing concerns among naval planners that her armour reflected First World War design assumptions rather than modern threats.
That reputation was shattered on 24 May 1941 during the Battle of the Denmark Strait, when Hood engaged the German battleship Bismarck and the cruiser Prinz Eugen. Within minutes of opening fire, Hood was struck by a catastrophic explosion, likely caused by a shell penetrating her deck armour and detonating a magazine. She sank in just three minutes, taking 1,415 of her crew with her; only three men survived. The loss sent shockwaves through Britain and the wider world, becoming one of the Royal Navy’s greatest wartime disasters and a powerful reminder of the human cost and vulnerability of even the most iconic warships.
| A/A | Anti-Aircraft |
|---|---|
| A/C | Aircraft |
| A/S | Anti-Submarine |
| A | Arctic |
| H | Home Waters |
| I | Indian Ocean |
| M | Mediterranean |
| NA | North Atlantic |
| P | Pacific |
| Aux Cr | Auxiliary Cruiser (German) |
| C T L | Constructive Total Loss |
| A-T | Alexandria-Tobruk |
| BTC | Thames-Outwards (Operation Neptune) |
| EBC | Bristol Channel-Outwards (Operation Neptune) |
| GA | Piraeus-Alexandria |
| JW | Loclewe-Kola Indet |
| KMS | U K-North Africa |
| MKF | North Africa - UK |
| MKS | Mediterranean - UK |
| MW | Alexandria-Malta |
| NA | Canada-UK (Trooping) |
| PQ | Iceland-Murmansk |
| QP | Murmansk-Iceland |
| RA | Kola Indet-Loch Ewe |
| TE | Gibraltar-North African Ports |
| CW | St Helens-Southend |
| EC | Southend-Clyde |
| FN | Southend-Methil |
| FS | Methil-Southend |
| HG | Gibraltar-UK |
| HN | Bergen-Methil |
| HX | Halifax (Or New York) - UK |
| OA | Southend-Outwards, Atlantic |
| OG | UK- Gibraltar |
| OL | Clyde-Iceland |
| ON | Liverpool-Outwards, Atlantic |
| ONS | Liverpool-North America |
| PW | Portsmouth-Bristol Channel |
| RB | New York-U K (Special) |
| SC | Sydney (C B)-U K |
| SL | Freetown-U K |
| Cor | Corvette |
| D | Daylight |
| Des | Destroyer |
| E G | Escort Group |
| Flot | Flotilla |
| H M S | His Majesty's Ship |
| M A C | Merchant Aircraft Carrier |
| M A/S B | Motor Anti-Submarine Boat |
| M/S | Minesweeping |
| m/s | Minesweeper |
| N | Night |
| n k | Not Known |
| S/M | Submarine |
| Am | United States (Merchant Ship) |
| Br | British |
| Du | Dutch (Merchant Ship) |
| Fr | French |
| F Fr | Free French |
| Ge | German |
| Hel | Hellenic |
| It | Italian |
| Ja | Japanese |
| Neth | Netherlands (Warship) |
| Nor | Norwegian (Merchant Ship) |
| Pol | Polish |
| U S S R | United Soviet Socialist Republics |
| Opn | Operation |
| R A N | Royal Australian Navy |
| R C N | Royal Canadian Navy |
| R I N | Royal Indian Navy |
| R Nor N | Royal Norwegian Navy |
| s/m | Submarine |
| s s | Steamship |
| t b | Torpedo Boat |
| U K | United Kingdom |
| U S N | United States Navy |
| B | Aircraft Bomb |
| DC | Depth Charge |
| EMB | Explosive Motor Boat |
| G | Gun |
| GB | Glider Bomb |
| GT | Gnat Torpedo |
| HT | Human Torpedo |
| K | Kamikaze Aircraft |
| M | Mine |
| R | Ram |
| T | Torpedo |
| X | Not Enemy Action |
| + | Operational Convoy Escort |
| * | Trade Convoy Escort |