Bhumibol Adulyadej–class frigate

The Bhumibol Adulyadej-class frigate is a class operated by the Royal Thai Navy. The design is a variant of the Gwanggaeto the Great-class destroyer, with additional stealth features.[2] This is the first ship in the High-Performance Frigate Boat Project of the Royal Thai Navy. It is able to perform 3D combat operations on surface, underwater and air.

HTMS Bhumibol Adulyadej (FFG 471)
Class overview
Builders:	Daewoo Shipbuilding & Marine Engineering, Busan, South Korea
Operators:	Royal Thai Navy
Preceded by:	Gwanggaeto the Great-class destroyer
Built:	2013-2017
In commission:	2019–present
Planned:	2
Completed:	1
Active:	1
General characteristics
Type:	Multi-role stealth Frigate
Displacement:	3,700 tons full load
Length:	124.1 m
Beam:	14.40 m
Draught:	8 m
Installed power:	2 × Diesel engine MTU 16V1163 M94 8,000 horsepower 1 × General Electric LM2500 gas turbine 29,000 horsepower
Propulsion:	4 × Ship Service Power Generation (Each of 830 kW Rated output)
Speed:	33.3 knots (61 km/h; 38 mph)
Range:	4,000 nautical miles at 18 knots
Crew:	141 officers
Sensors and processing systems:	1 × Sea Giraffe 4A AESA long range surveillance radar 1 × Saab SEA GIRAFFE AMB medium range 3D surveillance radar 1 × Wartsila X-band Navigation radar 1 × Wartsila S-band Navigation radar 1 × Tactical Air Navigation System 1 × Surveillance camera 2 × Saab CEROS 200 fire control radar 1 × Saab EOS 500 Electro Optical Fire Control 1 × Atlas ASO DSQS-24 Hull Mounted Sonar 1 × Atlas ELEKTRONIK ACTAS Towed Array Sonar 15 × Saab 9LV Mk4 Multi-Function Consoles 2 × Continuous Wave Illuminators 2 × Target Designation Sight: Bridge Pointer 2 × Identification Friend or Foe 1 × ADS – Broadcast Stealth technology Radar Cross Section Reduction Infrared Reduction Underwater Radiated Noise Reduction Degaussing System NBC Protection System
Electronic warfare & decoys:	1 × Harris ES-3601 Radar-ESM 1 × R&F DDF-255 Communication-ESM 6 × Terma C-Guard DL-12T Mk. 137 Decoy Launchers Active-offboard ECM Mk.234 Nulka anti-ship missile decoy system Naval Group CANTO-V anti-torpedo decoy system
Armament:	1 × OTO Melara 76/62 Super Rapid main gun 2 × 30mm DS30M Mark 2 Automated Small Calibre Gun 2 × M2 Browning .50 caliber guns 1 × 20 mm Phalanx CIWS 8 × RGM-84L Block II Harpoon anti-ship missile[1] 2 x SEA Torpedo Launching System Mk 32 torpedo tubes 8-cell Mk. 41 VLS containing/or mixture of: 32 × RIM-162 ESSM Block II in quadpacked max loadout 8 × RUM-139C VL ASROC Fitted for but not with SM-2MR Standard Missile
Aircraft carried:	1 × S-70B Seahawk or MH-60S Knight hawk

The lead ship of the class, named HTMS Bhumibol Adulyadej, is constructed in South Korea. It was commissioned on January 7, 2019, with the original name as HTMS Tha Chin. It was subsequently renamed HTMS Bhumibol Adulyadej.[3]

Ships in class

Name	Hull no.	Builder	Laid down	Launched	Commissioned	Status
HTMS Bhumibol Adulyadej	FFG-471	Daewoo Shipbuilding & Marine Engineering	15 May 2016	23 January 2017	7 January 2019	Active
HTMS Prasae	FFG-472					Postponed

See also

• Darussalam-class offshore patrol vessel, Brunei
• Martadinata-class frigate, Indonesia
• Maharaja Lela-class frigate, Malaysia
• Kyan Sittha-class frigate, Myanmar
• Formidable-class frigate, Singapore
• Jose Rizal-class frigate, Philippines
• Đinh Tiên Hoàng-class frigate, Vietnam

References

1. ATLAS ELEKTRONIK to deliver Bow and Towed Sonar systems for new Royal Thai Navy frigate
2. Nanuamy, Wassana (19 December 2018). "Navy prepares to receive new ship". Bangkok Post. Retrieved 9 January 2019.
3. Voytenko, Mikhail (26 October 2019). "Thai Navy News – new frigate, another one postponed, submarine keel laying ceremony". FleetMon. Retrieved 9 January 2019.