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HTMS Krabi
RAN-IFR 2013 D3 43.JPG
HTMS Krabi on Sydney Harbour in October 2013
Career (Thailand) Naval Ensign of Thailand.svg
Name: HTMS Krabi
Builder: Bangkok Dock, Bangkok
BAE Systems Surface Ships
Launched: 3 December 2011
Commissioned: 26 August 2013
General characteristics
Class & type: Modified River-class patrol vessel
Displacement: 1,969 tons
Length: 90.5 metres (297 ft)
Beam: 13.5 metres (44 ft)
Draught: 3.8 metres (12 ft)
Installed power: c. 7.2 MW (9,700 hp)
Propulsion: 2 × MAN 16v 28133D diesel engines
2 × controllable-pitch propellers
Speed: 24 knots (44 km/h) max
Sensors and
processing systems:
Thales Variant surveillance radar and Thales Lirod Mk2 fire control radar
Aircraft carried: One AgustaWestland AW139 helicopter
Aviation facilities: 20 meter flight deck

HTMS Krabi is an offshore patrol vessel of the Royal Thai Navy. She is a modified River-class patrol vessel, and was built by Bangkok Dock, with design and technology transfer support from BAE Systems Surface Ships.[1] Additional construction took place at the Royal Thai Navy Mahidol Dockyard in Sattahip.[2]


The contract for the construction of Krabi was signed in June 2009,[1] and building began in August 2010.[3] Krabi was launched on 3 December 2011 in a ceremony attended by Princess Maha Chakri Sirindhorn.[3] After launching, she began outfitting, and is expected to enter service in 2013.[2][3] The Thai Navy plans to use Krabi to patrol Thailand's Economic Exclusion Zone, as well as for fishery and natural resource protection and disaster relief.[3]

Krabi is 91 meters in length, and carries an Oto Melara 76 mm main gun and two MSI 30mm secondary guns for primary defense, as well as machine guns.[1][2] She carries one AgustaWestland AW139 helicopter flying from a 20 metres (66 ft) flight deck.[1] Her top speed is expected to be over 25 knots (46 km/h; 29 mph),[2] and she is powered by two MAN 16v 28133D diesel engines, making about 7.2 megawatts (9,700 hp).[1] She is equipped with a Thales Variant surveillance radar, a Thales Lirod Mk2 fire control radar and the Thales Tacticos combat management system.

Operational history

In October 2013 Krabi participated in the International Fleet Review 2013 in Sydney, Australia.


  1. 1.0 1.1 1.2 1.3 1.4 "Thailand to build offshore patrol vessels". Baird Maritime. 25 August 2009. Archived from the original on 7 December 2011. Retrieved 7 December 2011. 
  2. 2.0 2.1 2.2 2.3 "เรือหลวงกระบี่ เรือ OPV ลำใหม่ ฝีมือคนไทย". Thai Armed Force. 30 November 2011. Archived from the original on 21 December 2011. Retrieved 22 December 2011. 
  3. 3.0 3.1 3.2 3.3 "Royal Thai Navy Launches Offshore Patrol Vessel Designed by BAE Systems". Shipbuilding Tribune. 6 December 2011. Archived from the original on 7 December 2011. Retrieved 7 December 2011. 

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