Registration number 448
Status Registered


Function Fighting Vessel
Subfunction Submarine
Location Chatham Historic Dockyard
Vessel type Midget Submarine
Current use Museum based
Available to hire No
Available for excursions No


Builder Broadbent, Thomas & Sons, Huddersfield
Built in 1945
Hull material Steel
Rig None
Number of decks 1
Propulsion Motor
Number of engines 1
Primary engine type Diesel
Boiler type None
Boilermaker None


Breadth: Beam
5.84 feet (1.78m)
Length: Overall
53.15 feet (16.21m)


Built in 1945 by Thomas Broadbent & Sons of Huddersfield for the Royal Navy, EXPUNGER is a midget submarine of steel construction with a 30 horsepower Gardner diesel engine. As HMS EXPUNGER, she was of the type used to disable the German battleship TIRPITZ during World War II. She sank off the South Coast in 1952 while serving as a target and was raised in 1973. She is now preserved ashore at Chatham Dockyard.

Key dates

  • 1945

    Built by Thomas Broadbent & Sons as a Midget Submarine for the Royal Navy

  • 1952

    Sank off the south coast while serving as a target

  • 1973

    Raised and preserved on shore at Chatham Dockyard by the Imperial War Museum


Brouwer, Norman J, International Register of Historic Ships, Anthony Nelson, pp149-150, Edition 2 1993

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