The was a large class of submarine chasers built during World War I for the United States Navy. They were ordered in very large numbers in order to combat attacks by German U-boats, with 442 vessels built from 1917 to 1919. This article lists details of the ninth group of 48 ships of the class.

Ships

Number Builder Commissioned Fate Notes New York Yacht, Launch & EngineMorris Heights, Bronx 24 October 1918 To France as C-98 Took part in Dunkirk evacuation. Seized by UK in July 1940Scrapped 1940 New York Yacht, Launch & EngineMorris Heights, Bronx 24 October 1918 To France as C-85 Rocky River Dry Dock Co.Rocky River, Ohio 24 October 1918 To France as C-87 Rocky River Dry Dock Co.Rocky River, Ohio 24 October 1918 To France as C-88 Rocky River Dry Dock Co.Rocky River, Ohio24 October 1918 Renumbered SC-177 Planned for transfer to France but damaged during grounding before delivery and swapped with SC-177.Rocky River Dry Dock Co.Rocky River, Ohio 24 October 1918 To France as C-94Camden Anchor-Rockland Machine CoCamden, Maine 16 January 1919 Sold 21 April 1920 Yacht North Star 1927, Fishing boat 1931, Freighter 1933, Cod fishing boat 1937. Camden Anchor-Rockland Machine CoCamden, Maine11 February 1919 Sold 6 June 1922 Never commissionedChance Marine ConstructionAnnapolis, Maryland 3 February 1918 Sold 24 June 1922 Never commissionedChance Marine ConstructionAnnapolis, Maryland N/A N/A Cancelled during constructionClayton Ship & Boat Building CoClayton, New York 1 May 1919 Sold 30 January 1920Named Brunette 1920, renamed Sentinel 1925, renamed Romance 1926Extant 1954 Clayton Ship & Boat Building CoClayton, New York 1 May 1919 Decommissioned 25 July 1945To Maritime Commission 7 August 1946Fishing boat Joe-De-Mac 1948Scrapped 1953College Point Boat Corp. College Point, New York 1919 To War Department 30 April 1920Sold 24 June 1921College Point Boat Corp. College Point, New York 1919 To War Department 2 September 1919Artillery Steamer V-1Decommissioned 15 February 1920College Point Boat Corp. College Point, New York 8 January 1919 To US Coast Guard 16 December 1919 as USCGC Hahn. Sold 29 January 1923 College Point Boat Corp. College Point, New York 13 January 1919 Sold 24 June 1921.College Point Boat Corp. College Point, New York 31 January 1919 To US Coast Guard 16 December 1919 as USCGC Stellenwerf.Sold 25 May 1922College Point Boat Corp. College Point, New York 1919 Sold 4 March 1920. Great Lakes Boat Building Corp. Milwaukee 22 November 1918 Sold 27 April 1927.Naval Reserve training vesselGreat Lakes Boat Building Corp. Milwaukee 1919 Sold 3 February 1920.Opco 1920, Mareuilendole 1921Hiltebrant Dry Dock Co.Kingston, New York 1919 Sold 24 June 1921.Hiltebrant Dry Dock Co.Kingston, New York 1919 Sold 11 May 1921.Yacht Dorothy 1927Hiltebrant Dry Dock Co.Kingston, New York 1919 Sold 11 May 1921.Hiltebrant Dry Dock Co.Kingston, New York 21 December 1918 Sold 19 May 1921. Named Nelmore 1923, Freighter Noca 1927Hiltebrant Dry Dock Co.Kingston, New York 23 December 1918 Sold 11 May 1921. York 1923, Freight boat Cico 1927Mathis Yacht BuildingCamden, New Jersey 8 January 1919 Sold 6 June 1922.Mathis Yacht BuildingCamden, New Jersey8 January 1919 Sold 17 August 1921.Mathis Yacht BuildingCamden, New Jersey 8 January 1919Loaned to City of Baltimore 16 May 1921.Used as fireboat with name Cascade by Baltimore. Returned to US Navy 1960.Mathis Yacht BuildingCamden, New Jersey28 December 1918 Sold 26 May 1921. Freighter Explorer 1926Mathis Yacht BuildingCamden, New Jersey15 January 1919 Sold 21 October 1921.Fishing boat Anna M 1931, Fishing boat Uncle John 1948Matthews Boat Co. Port Clinton, Ohio 29 October 1919 To US Coast Guard on completion as USCGC Knudsen. Returned to US Navy 31 August 1921To Maritime Commission for disposal 9 December 1946Fishing boat Admiral 1948, renamed Sea Mist 1978No records after 1984Matthews Boat Co. Port Clinton, Ohio To Maritime Commission for disposal 27 July 1945Matthews Boat Co. Port Clinton, Ohio 25 December 1918 To US Coast Guard as USCGC Klingelhoefer 29 October 1919 Returned to US Navy 31 August 1921Scuttled Lake Ontario, 29 January 1938Alexander McDonaldMariners Harbor, Staten Island 11 January 1919 Sold 22 April 1920 Yacht Manchonoch 1920, Center engine removedFishing boat 1931, still extant 1933Alexander McDonaldMariners Harbor, Staten Island 27 January 1919 US Coast Guard as USCGC Johansson 21 October 1919Never commissioned in US Navy Sold 27 December 1922Fishing boat Waltham II 1931Alexander McDonaldMariners Harbor, Staten Island 4 February 1919 Sold 1 June 1921 Never commissioned in US NavyFishing boat Beatrice K, still extant 1931Rocky River Dry Dock Co.Rocky River, Ohio 1 March 1919 US Coast Guard as USCGC Boyce 29 October 1919 Returned to US Navy 31 August 1921Used for training on Great LakesTo Maritime Commission for disposal 21 March 1947Freighter Charlmar 1947, scrapped 1961Matthews BoatPort Clinton, Ohio 1919 US Coast Guard as USCGC Cook 22 November 1919Sold 28 May 1936Civilian Islander - re-engined with two diesel enginesTo US Coast Guard 5 March 1943 as USCGC Bonneville (WIX-375)Sold 1946 - Civilian Victory1952, renamed Admiral. Scrapped 1957Howard E. Wheeler Brooklyn, New York 3 January 1919Sold 25 February 1922.Howard E. Wheeler Brooklyn, New York 20 January 1919 Scrapped August 1942.Used for training at US Naval Academy Howard E. Wheeler Brooklyn, New York 21 January 1919 Sold 26 June 1922.Howard E. Wheeler Brooklyn, New York - Cancelled 1918.U.S. Naval Station, New Orleans 26 August 1919 Sold 29 January 1924.U.S. Naval Station, New Orleans 26 August 1919 Sold 24 March 1923.U.S. Naval Station, New Orleans - Cancelled 20 November 1918. U.S. Naval Station, New Orleans - Cancelled 20 November 1918.U.S. Naval Station, New Orleans - Cancelled 20 November 1918.U.S. Naval Station, New Orleans - Cancelled 20 November 1918.

See also List of patrol vessels of the United States Navy List of SC-1-class subchasers (SC-1 to SC-50) List of SC-1-class subchasers (SC-51 to SC-100) List of SC-1-class subchasers (SC-101 to SC-150) List of SC-1-class subchasers (SC-151 to SC-200) List of SC-1-class subchasers (SC-201 to SC-250) List of SC-1-class subchasers (SC-251 to SC-300) List of SC-1-class subchasers (SC-301 to SC-350) List of SC-1-class subchasers (SC-351 to SC-400)

References