USS Captor (PYc-40), briefly the seventh ship to bear the name USS Eagle (AM-132), was a Q-ship of the United States Navy.
USS Impetuous (PYc-46) was a private yacht purchased by the Navy in August 1940 that served as a patrol boat of the United States Navy in Central America. The yacht was built as Paragon, the first of at least two Davol yachts to bear the name, in 1915 for Charles J. Davol of Providence, Rhode Island. In 1916 Davol sold the yacht to John Fred Betz, 3d of Philadelphia who renamed the yacht Sybilla III which served as the Section Patrol yacht USS Sybilla III (SP-104) from May 1917 to December 1918. Sybilla III remained in Betz's ownership until sale in 1935 to R. Livingston Sullivan of Philadelphia who renamed the yacht Arlis. On 12 August 1940 the Navy purchased the yacht placing it in commission as USS PC-454 on 16 October. The vessel was given the name Impetuous and reclassified PYc-46 on 15 July 1943. The yacht was decommissioned at Philadelphia 31 August 1944 and transferred to the War Shipping Administration for sale.
The second USS Sapphire (PYc-2) was a patrol boat in the United States Navy.
USS Amethyst (PYc-3) was the yacht Samona II taken into service in the United States Navy serving as a patrol boat during World War II. After military service the vessel was returned to civilian status in 1946 and again became the yacht Samona II until sale and subsequent names of Pudlo and Explorer.
USS Onyx (PYc-5), was a diesel coastal patrol yacht of the United States Navy during World War II.
USS Albatross (AMS-1/YMS-80) was an YMS-1-class auxiliary motor minesweeper acquired by the U.S. Navy during World War II for clearing coastal minefields.
USS Cymophane (PYc-26) was a Cymophane-class patrol yacht acquired by the United States Navy early during World War II. She was used for patrol, escort, anti-submarine, and rescue operations along coastal waters.
USS Leader (PYc-42) was a Leader-class patrol boat acquired by the U.S. Navy for the task of patrolling coastal areas during World War II when there was the danger of enemy submarine activity.
The first USS Sturdy (SP-82) was a patrol boat acquired by the U.S. Navy for the task of patrolling the coastal waters of the U.S. East Coast during World War I. Her primary task was to guard the coastal area against German submarines by tending to antisubmarine nets in New York Harbor.
USS Sturdy (PC-460/PYc-50) was a yacht converted to a patrol boat acquired by the U.S. Navy for the task of patrolling the coastal waters of the U.S. East Coast during World War II. Her primary task was to guard the coastal area against German submarines.
USS Venture (SP-616) was a Venture-class patrol boat acquired by the U.S. Navy for the task of patrolling the coastal waters of the New England coast during World War I. Her primary task was to guard the coastal area against German submarines.
USS Felicia (SP-642) was a steam yacht acquired by the United States Navy during World War I. She was outfitted and armed by the Navy as a patrol craft, and was assigned to patrol the New England waters. Her task of protecting ships from German submarines was interrupted by her collision with a submarine. Post-war she was reconfigured to her civilian condition, and was sold in 1919.
USS Sardonyx (PYc-12), formerly the yacht named Queen Anne (1928), was a patrol boat in the United States Navy during World War II.
The USS Alabaster (PYc-21) was a coastal patrol yacht of the United States Navy during World War II.
USS Valiant (PYc-51), originally USS PC-509, was a United States Navy patrol vessel in commission from 1941 to 1944.
USS Phenakite (PYc-25) was a converted yacht that was used by the United States Navy during World War I and World War II. The vessel was also known as Celt, Sachem (SP-192), Sightseer and Circle Line V.
USS Garnet (PYc-15) was a coastal patrol yacht in the service of the United States Navy.
USS Topaz (PYc-10) was a coastal patrol yacht in the service of the United States Navy. She was named for the gemstone Topaz.
USS Truant (PYc-14) was a coastal patrol yacht in the service of the United States Navy.
USS Vagrant (PYc-30) was a yacht which served as a patrol craft in the United States Navy during World War II.
United States