Coastal trading vessel

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Coastal merchant vessel

Coastal trading vessels, also known as coasters, are shallow-hulled ships used for trade between locations on the same island or continent. Their shallow hulls mean that they can get through reefs where deeper-hulled seagoing ships usually cannot. Cars can load and unload cares in shallow ports.

N3-S-A1 illustration from ""American World Traders-New Ships for the Merchant Marine, 1945

World War II[edit]

N3-M-A1 as USS Enceladus (AK-80), August 1943 in original Navy configuration. Note Whirley crane, a part of the original N3-M-A1 design.
USAPRS Thomas F. Farrel, Jr. underway off the East Coast of the United States, 26 August 1944.

During World War II there was a demand for coasters to support troops around the world. Type N3 ship and Type C1 ship was the designation for small cargo ships built for the United States Maritime Commission before and during World War II. Both were use for close to shore and short cargo runs. Government of the United Kingdom used Empire ships type Empire F as a merchant ship for coastal shipping. UK seamen called these "CHANTs", possibly because they had the same hull form and initially all the tankers were sold to foreign owners and therefore there was no conflict in nomenclature. The USA and UK both used coastal tankers also. UK used Empire coaster tankers and T1 tankers. Many coasters had some armament like: a 5-inch stern gun, 3-inch bow anti-aircraft gun and Oerlikon 20 mm cannon anti-aircraft gun. Armament was removed after the war. After the war many of the ships were sold to private companies all around the world.[1][2][3][4][5][6][7][8][9] [10][11]

See also[edit]


  1. ^ United States Maritime Commission C1 and C1-M Type Ships used in World War II, Korean War and Vietnam War[permanent dead link]
  2. ^ National Park Service, Scotts Bluff
  3. ^ T. Colton. "N-Type Coastal Cargo Ships". Merchant Ship Construction in U.S. Shipyards. Archived from the original on 3 November 2011. Retrieved 12 January 2012.
  4. ^ Mitchell, William Harry & Sawyer, Leonard Arthur (1990). The Empire Ships (2nd ed.). London, New York, Hamburg, Hong Kong: Lloyd's of London Press Ltd. ISBN 1-85044-275-4.CS1 maint: ref=harv (link)
  5. ^ NJ Scuba, Tanker
  6. ^, Coastal Tankers
  7. ^, Coastal Tanker
  8. ^, Activation specifications for t1 -m-bt2 tanker
  9. ^ Auke Visser's, T1 Tanker types
  10. ^ USS Klickitat (AOG-64)
  11. ^, T-1 Tankers

External links[edit]