Ratanakosin class corvettes LOA 252′ TDISP 1,000 tons (2 active, service since 1986) built by Tacoma Boatbuilding Co.
Khamronsin Class corvette LOA 203′ TDISP 630 tons (3 active, service since 1992) British design
Tapi Class Corvette PF-107 (originally PF-5) LOA 275′ TDISP 1,100 tons (2 active, service since 1971) Built in the US. PF-103 variant.
Pattani-class OPV LOA 313′ TDISP 1,400 tons (2 active, service since 2005)
Krabi Class OPV (variant of British River Class) LOA 297′ TDISP 2,000 tons (2 active, since 2013)
HTMS Maeklong (1937) built Yokosuka Japan, LOA 269′ TDISP 1,400 tons museum ship since 1995
Algerine Class Minesweeper/Escort LOA 225′ TDISP 1,000 tons (110 built, service with British and Canadian and other navies, 1 transferred to Royal Thai Navy, retired, no other ships appear to survive)
HTMS Phosampton 611 Algerine Class Minesweeper/Patrol Ship (1947-2012) Built in Toronto. World’s last active Algerine Class, ex-HMS Minstrel J-445 (1945-1947). Served as a training ship for many years. As of 2018 her ultimate fate is unclear.