USS Halcyon II (SP-582)

USS Halcyon II (SP-582) was a yacht acquired by the U.S. Navy during World War I. She was outfitted as an armed patrol craft and stationed in Boston harbor in Massachusetts. She spent much of the war patrolling the Massachusetts waterways for German submarines and, in 1919, was decommissioned after being damaged in a collision.

USS SP-582 (1917-1919, ex-Halcyon II) photographed circa 1918-19 at Wakefield, Massachusetts.
United States
Name: USS Halcyon II
Namesake: A former name retained
Laid down: date unknown
Launched: date unknown
Christened: as the yacht Halcyon II
Completed: 1907
Acquired: August 1917
Commissioned: 15 December 1917 as USS Halcyon II (SP 582) at the Boston Navy Yard
Out of service: 4 June 1919 after collision
Renamed: USS SP-582 in 1918
Struck: 31 July 1919
Homeport: Boston, Massachusetts
Fate: Sold 4 December 1919 to her former owner.
General characteristics
Type: Yacht
Tonnage: 161 tons
Length: 140'
Beam: 18' 3"
Draft: 5'
Propulsion: Steam engine
Speed: 15 knots
Complement: not known
Armament: two 3-pounder guns

Commissioned at Boston

Halcyon II, a 161-ton steam yacht, was built by Charles Seabury Gas Engine & Power Co. of Morris Heights, Bronx, New York in 1907, and was purchased by the Navy in August 1917 from her owner, D. W. Flint of Providence, Rhode Island. She commissioned 15 December 1917 at Boston Navy Yard, Ensign C. P. Jameson, USNRF, in command.

World War I service

After fitting out, Halcyon II was employed as a section and harbor patrol boat in Boston Harbor through the rest of World War I and into the first year of peace. She performed this service until 4 June 1919 when she was rammed and seriously damaged by the steamer Bayou Teohe.

Decommissioning and disposal

Determined by the Navy to be unserviceable, she was struck from the Navy List 31 July 1919 and sold to her former owner on 4 December 1919.

See also


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