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Contents

   



(Top)
 


1 Design  



1.1  N3-S-A1  





1.2  N3-S-A2  





1.3  N3-M-A1  







2 Incidents  





3 Footnotes  





4 References  





5 External links  














Type N3 ship







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

Class overview
NameType N3
SubclassesN3-S-A1 (coal fired), N3-S-A2 (oil fired), N3-M-A1 (diesel with superstructure aft)
Completed109
General characteristics
Class and typeCargo ship
Tonnage2,905 dwt
Length258 ft 9 in (78.87 m)
Beam42 ft 1 in (12.83 m)
Draft20 ft 9 in (6.32 m)
Installed powerreciprocating steam
PropulsionCoal or oil fired, 1300 shaft horsepower
Speed10.2 knots (11.7 mph; 18.9 km/h)
Capacity2,905 t (2,859 long tons) deadweight (DWT)

Type N3-S ships were a Maritime Commission small coastal cargo ship design to meet urgent World War II shipping needs, with the first of the 109 N3, both steam and diesel, type hulls delivered in December 1942. [i]

A total of 109 N3 ship were built by:

[1]

Design[edit]

The N3-S, with "S" designating "steam," came in two versions patterned on and sometimes themselves termed Baltic Coasters.[2] One, the N3-S-A1 was coal fired reciprocating steam powered at British request with the N3-S-A2 variant being oil fired and both types intended largely for wartime lend lease.[3]

The basic design characteristics[4] were:

However, as the built dimensions and tonnage of the two N3-S types varied somewhat from the basic design and each other.[1] The fourteen Penn-Jersey N3-M-A1 vessels had a different profile in addition to being diesel powered.

N3-S-A1[edit]

All of the 36 N3-S-A1 vessels, 2,800 DWT, delivered from December 1942 through May 1945, went to Britain and those surviving the war tended to be sold commercial but one; built as the Freeman Hatch and lastly named Houston, gaining some notoriety being sunk during the failed Bay of Pigs invasion in 1961. Nine built by Leathem D. Smith Ship Building & Coal Company in Stureon Bay, Wisconsin. Nine built by Pacific Bridge Company of San Francisco, California. Walter Butler Shipbuilders Inc.ofSuperior, Wisconsin built 18.[1][5][6]

N3-S-A2[edit]

The Rovigo in Malta, which was originally the N3-S-A2 ship George W. Brown

Of the 76 proposed N3-S-A2, 2,757 DWT, vessels 59 were built with the first delivered March 1944 and the last after the war in November 1945 with 17 scheduled ships canceled. All were operated by commercial firms with some going to Poland, Greece and Britain.[1] Twenty-three were allocated by the War Shipping Administration to the Army for use as transports.[7] Of those, 19 were operated in the Southwest Pacific Area as part of the Army's permanent local fleet with the first arriving 5 September 1944 and the last in December 1945.[8] A few found their way into non-commissioned U.S. Naval service by way of Army as postwar auxiliaries with at least some leased to Korea: Alchiba (AK-261), Algorab (AK-262), Aquarius (AK-263), Centaurus (AK-264), Cepheus (AK-265) and Serpens (AK-266). Avondale Marine Ways Inc. of Westwego, Louisiana built 14. Ingalls Shipbuilding CorporationofDecatur, Alabama built 9. McCloskey & Company Shipyard of Tampa, Florida built 15. Pendleton ShipYard Company of New Orleans, Louisiana built 4. Pennsylvania ShipYard Inc. of Beaumont, Texas built 9. Walter Butler ShipYeard Inc. of Duluth, Minnesota built 2. Walter Butler ShipYard Inc. built 6.[9][1]

N3-M-A1[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

A third variant, the N3-M-A1, at 2,900 DWT, was a very limited design with diesel-powered ships with superstructure aft instead of amidships. Fourteen built at Penn-Jersey Shipbuilding Co. of Camden, New Jersey. Barnes-Duluth shipyard built 12. The N3-M-A1 were 2,483 gross tons with a length of 291 feet by beam of 42 feet. Number one and two holds were 56 feet long with number three being 28 feet in length. An example is the Junior N. Van Noy.[1][10]

The ships were constructed under U.S. Navy supervision as Navy had assumed the Maritime Commission contracts for the Penn-Jersey yard and was allocating vessels of this type for its own and British use.[11] Four of the fourteen ships of this type retained the original form and were transferred to Britain as BAK-1, BAK-2, BAK-3 and BAK-4 and operated by Currie Line for the Ministry of War TransportasAsa Lothrop, Lauchlan McKay, John L. Manson and Nathaniel Mathews. [12] One was retained by the U.S. Navy as the USS Enceladus (AK-80) with the remaining nine transferred to the U.S. Army to be converted to U.S. Army Engineer Port Repair ships. The conversion placed machine, welding and carpenter shops in number two hold along with generators and air compressors supporting engineering work. Number one hold was reserved for construction machinery with number three containing repair stock, portable generators, refrigerated stores and quarters. The ships also carried portable salvage equipment, including diver support, five ton capacity crawler crane, other lifting equipment and a pontoon barge. The most notable feature was addition of a forty-ton cathead derrick for heavy salvage.

Incidents[edit]

Footnotes[edit]

  1. ^ While essentially built for the same purpose they were not the sectional pre-fabricated and assembly-line produced (Chrysler) "Liberty Ships" as they are sometimes, if improperly, confused with.

References[edit]

  1. ^ a b c d e f 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.
  • ^ David H. Grover (2004). "Lakers: The Ships That Bought Time" (PDF). Lake Huron Lore. "The Anchor Light" with copy published in "The Lightship-Lake Huron Lore. Retrieved 12 January 2012.
  • ^ "The N-Type Vessels (Coastal)". Outboard Profiles of Maritime Commission Vessels. Retrieved 12 January 2012.
  • ^ American World Traders-New Ships for the Merchant Marine (booklet). United States Maritime Commission. 1946. Retrieved 12 January 2012.
  • ^ "Houston". shipstamps. Retrieved 12 January 2012.
  • ^ marad.dot.gov, N3-S-A1 Type
  • ^ Grover, David (1987). U.S. Army Ships and Watercraft of World War II. Annapolis, MD: Naval Institute Press. p. 48. ISBN 0-87021-766-6.)
  • ^ Masterson, James R. (1949). U. S. Army Transportation In The Southwest Pacific Area 1941-1947. Transportation Unit, Historical Division, Special Staff, United States Army. p. 351.
  • ^ "Cargo Ship (AK) Index". NavSource Photo Archives. NavSource. Retrieved 12 January 2012.
  • ^ aukevisser.nl, Barnes-Duluth Shipbuilding, T1-M-A1 tanker
  • ^ Stephen S. Roberts. "Class: ENCELADUS (AK-80)". ShipScribe. Retrieved 4 January 2012.
  • ^ Stephen S. Roberts. "Class: BAK-1". ShipScribe. Retrieved 13 January 2012.
  • ^ Tucana (AK-88)
  • ^ Media (AK-83)
  • ^ Norma (AK-86)
  • ^ Vela (AK-89)
  • ^ USS Hydra (AK-82)
  • ^ USNS Sagitta (T-AK-87)
  • ^ Nashira (AK-85)
  • ^ Mira (AK-84)
  • ^ Europa (AT-81)
  • ^ aukevisser.nl, Rio Bravo
  • ^ warsailors.com, John W. Arey
  • ^ wrecksite.eu, Tully Crosby
  • ^ wrecksite.eu, Three Stars
  • ^ SS Freeman Hatch, 4/5/2013
  • ^ wrecksite.eu, Alden Gifford
  • ^ plimsoll.org, Wreck report for 'Solidarity', 1951[usurped]
  • ^ DNV, Lloyd, Starke, ship no. 2/03
  • ^ Report on the Wreck of the SS Richard Montgomery (PDF). Southampton: Maritime and Coastguard Agency. November 2000. Retrieved 6 October 2020.
  • ^ wrecksite.eu, Otis White
  • ^ The Daily Herald from Provo, Utah, 21 April 1958
  • ^ greatlakes, Samuel Samuels
  • ^ wrecksite.eu Hsuan Huai
  • ^ The Liability of Classification Societies, By Nicolai I. Lagoni, page 149-150
  • ^ 1973), The STEAMSHIP MUTUAL UNDERWRITING ASSOCIATION LIMITED, v. BUREAU VERITAS.
  • External links[edit]


    Retrieved from "https://en.wikipedia.org/w/index.php?title=Type_N3_ship&oldid=1225538804"

    Categories: 
    Type N3 ships
    Ship types
     



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