From: Dictionary of American Naval Fighting Ships, Vol. VI p 5
Ability is the quality or state of being able.
Ability (PYc-28) was built in 1926 by Defoe Boat and Motor Works, Bay City, Mich., as Sylvia (later renamed Reomar IV); acquired from the Maritime Commission 12 March 1942; commissioned 28 September 1942, Lieutenant (junior grade) L. B. Walker, USNR, in command; and reported to the Eastern Sea Frontier for patrol duty.
Between March 1943 and September 1944 Ability was attached to the Fleet Sound School, Key West, participating in anti-submarine training with students from the Sound School. Decommissioned 29 September 1944 and placed in an 'in service" status, Ability spent the following year at the Naval Reserve Midshipman Training School, 3rd Naval District. Placed out of service 19 September 1945, she was returned to the Maritime Commission 18 May 1946.