USCGC Champlain (1929)

USCGC Champlain (1929) was a Lake-class cutter belonging to the United States Coast Guard launched on 20 Jun 1928 and commissioned on 23 Mar 1929.[1] After 12 years of service with the Coast Guard, she was transferred to the British Royal Navy as part of the Lend-Lease Act.

USCGC Champlain on the International Ice Patrol, circa mid-1930s.
United States
Name: USCGC Champlain (1929)
Namesake: Lake Champlain
Builder: Bethlehem Shipbuilding Corporation, Quincy, Mass.
Laid down: 23 May 1928
Launched: 11 October 1928
Commissioned: 24 January 1929
Decommissioned: 12 May 1941
Fate: Transferred to Royal Navy
United Kingdom
Name: HMS Sennen (Y21)
Commissioned: 12 May 1941
  • Returned to USCG
  • 27 March 1946
United States
Name: USCGC Champlain (WPG-319.)
  • Sold to Hughes Brothers, Inc.
  • 25 March 1948
General characteristics
Class and type:
Displacement: 2,075 long tons (2,108 t)
Length: 250 ft (76 m)
Beam: 42 ft (13 m)
Draft: 12 ft 11 in (3.94 m)
Propulsion: 1 × General Electric turbine-driven 3,350 shp (2,500 kW) electric motor, 2 boilers
  • 14.8 kn (27.4 km/h; 17.0 mph) cruising
  • 17.5 kn (32.4 km/h; 20.1 mph) maximum
Complement: 97


US Coast Guard - Champlain

After commissioning in January 1929, Champlain was homeported in Stapleton, New York.[2]

Royal Navy - Sennen

As part of the Lend-Lease Act she was transferred to the Royal Navy where she was renamed HMS Sennen (Y21) and commissioned on 12 May 1941.[3] On 19 May 1943, Sennen assisted HMS Jed in the sinking of U-954 by depth charges. At the end of the war, in March 1946, she was returned to the USCG.[3]

US Coast Guard - Champlain (post war)

Upon her return to the USCG, her original name was restored and she was given the hull number and designation WPG-319. She was then placed into reserve status until March 1948 when she was sold to Hughes Brothers, Inc. of New York.[2]

See also


  1. Helgason, Guðmundur. "USCGC Champlain". Retrieved 24 July 2015.
  2. "Champlain (1929)" (PDF). USCG. US Coast Guard. Retrieved 24 July 2015.
  3. Helgason, Guðmundur. "HMS Sennen (Y21)". Retrieved 24 July 2015.
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