Ship status is indicated as either currently active [A] (including ready reserve), inactive [I], or precommissioning [P].

Eighty-six Assault Support Patrol Boats were built for use in the Vietnam War.

PC-461 class 497-507, 511 to 522, and 524-539 were used by SC submarine chasers 1376 to 1465 used by PCS patrol minesweepers, a few did hold the PC designation at times

Of 112 Eagle-class patrol craft planned 60 of these World War I era ships were completed, being given numbers from 1 to 60.

The United States Maritime Commission created its S2 design - which was based on the British-designed River class - for much the same role but using civilian construction standards.

SC-497 class These were British design Fairmile B motor launches built in Canada and loaned to US.