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Contents
(The photo at the top of this page was taken on 4 June 1994 at Southampton)
Liberty ships were cargo ships built during WW2 to replace those lost to enemy action - particularly U-boats. Overall there were 2,751 built of which two survive in working order. Jeremiah O'Brien is one of them and is normally docked at Pier 45 at Fisherman's Wharf, San Francisco, California.
There was a standard design for Liberty ships - 441ft long and 56 ft wide with a three-cylinder, reciprocating steam engine, fed by two oil-burning boilers produced 2,500 hp and a speed of 11 knots. They had 5 holds capable of carrying 9,000 tons. Cargoes could be anything but would typically consist of airplanes, tanks and ammunition. Liberty ships were constructed using prefabrication methods. The first ones took about 230 days to build, but over time the average build time decreased to 42 days start-to-finish.
External resource #1 is a website dedicated to the National Liberty Ship Memorial and should be consulted for details of the location of Jeremiah O'Brien, access, trips and other information.
Many of the Liberty ships were named after famous Americans; others were named at the choice of fund-raisers. Jeremiah O'Brien was a famous ship's Captain who fought against Britain during the American War of Independence which makes the choice of name somewhat ironic.
Basic Data[edit]
Career Highlights[edit]
Participation in WW2[edit]
Participation in WW2 Convoys[edit]
The data in the following table has been extracted from External Resource #2 which indicates that Jeremiah O'Brien took part in 48 convoys during WW2.
A key to the routes for these convoys can be found on this page: World War 2 Convoy Names

Contents
- 1 Introduction
- 2 Basic Data
- 3 Career Highlights
- 4 Participation in WW2
- 4.1 Participation in WW2 Convoys
- 4.2 The Normandy Landings (D-Day)
- 5 Return to Europe
- 6 Other photos and information
- 7 External resources
- 8 Images
- 9 Contributors
(The photo at the top of this page was taken on 4 June 1994 at Southampton)
Liberty ships were cargo ships built during WW2 to replace those lost to enemy action - particularly U-boats. Overall there were 2,751 built of which two survive in working order. Jeremiah O'Brien is one of them and is normally docked at Pier 45 at Fisherman's Wharf, San Francisco, California.
There was a standard design for Liberty ships - 441ft long and 56 ft wide with a three-cylinder, reciprocating steam engine, fed by two oil-burning boilers produced 2,500 hp and a speed of 11 knots. They had 5 holds capable of carrying 9,000 tons. Cargoes could be anything but would typically consist of airplanes, tanks and ammunition. Liberty ships were constructed using prefabrication methods. The first ones took about 230 days to build, but over time the average build time decreased to 42 days start-to-finish.
External resource #1 is a website dedicated to the National Liberty Ship Memorial and should be consulted for details of the location of Jeremiah O'Brien, access, trips and other information.
Many of the Liberty ships were named after famous Americans; others were named at the choice of fund-raisers. Jeremiah O'Brien was a famous ship's Captain who fought against Britain during the American War of Independence which makes the choice of name somewhat ironic.
Basic Data[edit]
- Type: Cargo ship
- Registered owners,managers and operators:
- Builders: New England Shipbuilding Corp
- Yard: Portland West
- Country: USA
- Yard number:230
- Registry: N/K
- Official number: 2243622
- Signal letters: N/K
- Call sign: N/K
- Classification society: EC2-S-C1
- Gross tonnage: 7,176
- Net tonnage: N/K
- Deadweight: N/K
- Length: 134.6 m
- Breadth: 17.3 m
- Depth: N/K
- Draught: 8.5 m
- Engines: Triple expansion steam engine
- Engine builders: N/K
- Works: N/K
- Country: USA
- Power: 2,500 hp
- Propulsion: Single screw
- Speed: 11 knots
- Boilers: 2 oil-burning boilers
- Cargo capacity:5 holds capable of carrying 9,000 tons
- Crew: N/K
- Employment: General purpose cargo vessel
- Armament: 8 x 20mm anti-aircraft gun, 1 x 3in (76mm) gun, 1 x 5in (127mm) gun
Career Highlights[edit]
- 6 May 1943: Keel laid down
- 19 Jun 1943: Launched
- 30 Jun 1943: Completed
- 1946: Mothballed for 33 years in the National Defense Reserve Fleet in Suisun Bay.
- 1979: Ownership transferred to the National Liberty Ship Memorial
- 21 May 1980: Left Suisaun Bay under own power
- 1994: Visited Europe for the 50th Anniversary of the D-Day landings
Participation in WW2[edit]
Participation in WW2 Convoys[edit]
The data in the following table has been extracted from External Resource #2 which indicates that Jeremiah O'Brien took part in 48 convoys during WW2.
A key to the routes for these convoys can be found on this page: World War 2 Convoy Names
List of Convoys |