Royal Thai Navy – Corvettes and Patrol Ships

Corvettes and Patrol Ships

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Ratanakosin class corvettes LOA 252′ TDISP 1,000 tons (2 active, service since 1986) built by Tacoma Boatbuilding Co.

CARAT 2013
Ratanakosin class corvettes on exercise CARAT 2013 [Detail ofUS Navy Official 949830 CPO Patrick Dille
Ratanakosin class corvette Sattahip thailand 2018

Khamronsin Class corvette LOA 203′ TDISP 630 tons (3 active, service since 1992) British designKhamronsin class corvette Sattahip thailand 2018

Tapi Class Corvette LOA 275′ TDISP 1,100 tons (2 active, service since 1971) Built in the US. PF-103 variant.Tapi class corvette Sattahip 2015

Pattani-class OPV LOA 313′ TDISP 1,400 tons (2 active, service since 2005)

HTMS_Narathiwat_(512)_during_Milan_2018_exercise
HTMS Narathiwat during Milan 2018 exercise. https://www.indiannavy.nic.in/ Indian Navy (GODL-India) / GODL-India

Pattani-class OPV Sattahip 2018

Krabi Class OPV (variant of British River Class) LOA 297′ TDISP 2,000 tons (2 active, since 2013)

HTMS Krabi RAN-IFR_2013_D3_43
HTMS Krabi during Royal Australian Navy International Fleet Review, Sydney Harbour, 2013. Credit: Saberwyn / CC BY-SA 

Krabi class OPV Sattahip 2018HTMS Maeklong (1937) built Yokosuka Japan, LOA 269′ TDISP 1,400 tons museum ship since 1995

HTMS_Maeklong_-_panoramio
HTMS Maeklong, sailing a concrete sea as a museum ship at the Chulachomklao Fort, ca. 2005. Credit: Andreas Hörstemeier / CC BY-SA 

HTMS Maeklong thailand 2019.jpg

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)

HMSrProvidenceWalleta1946
HMS Providence J-325 was also a Redfern Construction Co. (Toronto ON) built Algerine Class and served on the Palestine Patrol after the War. Credit: ניקולס מסינגר / CC BY-SA

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.HTMS Phosampton Algerine class Samut Prakan 2010

HTMS Phosampton Algerine class Samut Prakan 2009
According to late 1990s editions of Jane’s Fighting Ships, a deckhouse was built where the minesweeping gear used to be near the stern, and the bow 4″ gun was replaced by a 3″/50.

HTMS Phosampton Algerine class Ban Samet Ngam 2015

WO-A037319
HMCS Sault St. Marie, Canadian Algerine class, ca. 1944-1945. Canada. Department of National Defence / Library and Archives Canada CT-247 Copyright belongs to Crown.

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