HTMS Angthong 791 LPD Landing Platform Dock
The objective of the LPD Landing Platform Dock supply ship is to support troops landed for operational use in amphibious Transport and marine transport and to provide a headquarters and operational base on the sea. It can help citizens remedy public danger or disaster, and assist in relief in the sea and coastal areas, including support for a training workshop in the sea, with various internal and external Navies.
The Thai military managed to obtain approval in September 2008 for a number of purchases - the go-ahead being received just hours before then prime minister Samak Sundaravej, Somchai's predecessor, was forced to resign. These included assault rifles from Israel, Igla MANPADs from Russia and a landing platform dock ship to be built by Singapore's ST Engineering. The cabinet approved the plan to allocate budget expenditure budget annual 2551 BE (2008 AD). Preparation and capacity in the defense and internal security. Purchasing Committee had procedures to purchase the vessel from ST Marine through authority approved by the Council of Ministers approved the indebtedness bound across fiscal years. Employment creation with ST Marine Ruea for the new ship include value added tax and other taxes, freight and other charges altogether until the consignment of the money.
On 11 November 2008 Singapore Technologies Engineering Ltd (ST Engineering) announced that its marine arm, Singapore Technologies Marine Ltd (ST Marine), had secured a contract in a basket of currencies amounting to about S$200m [about USD135 million], to design and build a 141m Landing Platform Dock (LPD), two 23m Landing Craft Mechanised (LCM) and two 13m Landing Craft Vehicle and Personnel (LCVP), for a navy in the Asia Pacific region. Construction is scheduled to begin in mid 2009 and delivery is planned for the second half of 2012.
ST Eng lists their ship design as an "LST" (Landing Ship Tank) on their site, but it does not beach itself; the label LPD is more appropriate. Singapore Technologies (ST) Marine has released details of the landing platform dock (LPD) ship that the company is building for the Royal Thai Navy (RTN). A model displayed by ST Marine at the Euronaval 2010 exhibition in Paris depicted a vessel similar to the Republic of Singapore Navy's (RSN's) Endurance-class landing ship dock. However, a key difference is the deletion of the bow ramp and its replacement with a starboard side door and ramp (about 6 m wide), providing access for light vehicles and personnel. The two FCUs (or Landing Craft Mechanised) are accommodated in a stern dock while the two LCVPs (or Fast Craft Equipment and Utility) are mounted on davits either side of the superstructure.
The propulsion system includes two Caterpillar C280-12 diesel engines, each rated at 4060 kW, driving two controllable pitch propellers. A bow thruster is also fitted. Maximum speed is listed as 17 kt and range at 12 kt is greater than 5000 n miles. Electrical power is provided by four Caterpillar 3512B 900 kW gensets.
Terma is providing its C-Flex combat management system initially with three multifunction consoles, a C-Search radar and sensor suite (including a SCANTER 4100 air and surface surveillance radar and combined identification, friend-or-foe system) and a C-Fire electro-optical director with thermal imaging, TV camera and eye-safe laser rangefinder. Armament comprises an Oto Melara 76 mm Super Rapid gun forward and what appear to be two MSI Seahawk 30 mm mounts amidships. A single machine-gun mount is fitted on either bridge wing.
ST Marine awarded Terma a contract for the delivery of a C-Series combat system for the Royal Thai Navy's (RTN) Landing Platform Dock (LPD). The three C-Series combat system modules are as follows:
- C-Search is a radar and sensor suite. On Thailand's new vessel, the system will consist of a SCANTER 4100 air and surface surveillance radar combined with an IFF system that provides identification to the air tracks of the radar.
- C-Fire is the fire control system. Although the main purpose of the vessel is to provide aid and assistance to people who need it, it is essential that the LPD has the capability to defend itself. The Thai LPD will have three guns installed - one 76 mm and two 30 mm -controlled by C-Fire from the C-Flex multi function consoles.
- The C-Fire Electro Optical (EO) Director has an inbuilt thermal imager, a TV camera, and an eye-safe laser range finder, and it is easily trained to a track from the situation display or manually by a joystick in the console. The EO Director can then be used for surveillance and identification of certain tracks. Upon hostile actions encountered by any surface or air target, C-Fire can go into engagement mode, and the operator can fire any of the ship's three guns at the target. In case of hostile actions from both a surface and an air target, the system can engage both targets using the SCANTER 4100 radar for tracking the surface target and the EO Director for tracking the air target.
The design of the LPD is proprietary to ST Marine and is based on its Endurance Class of LPDs. The design is proven by the four 141m Landing Ship Tanks (LSTs) that ST Marine built for the Republicof Singapore Navy. The LSTs have been deployed successfully on many occasions to provide peacekeeping duties in the Gulf, humanitarian assistance and disaster relief efforts during the 2004 Indonesian tsunami and more recently as part of the international anti-piracy Combined Task Force in the Gulf of Aden.
With a displacement of about 7600 tonnes, the LPD has a well-dock with a stern as well as a side ramp designed for expedient embarkation and disembarkation of equipment and personnel. This versatile vessel is capable of supporting myriad missions, ranging from sea transportation, naval support operations, civil search and rescue to disaster relief missions. To support these missions, its heli-deck can land up to two medium-sized helicopters of about 10-tonnes each.
ST Marine secured this contract worth some S$200m, to design and build this LPD as well as two units of 23m Landing Craft Mechanised and two units of 13m Landing Craft Vehicle and Personnel. Work for the LPD commenced in mid 2009 and the vessel was launched in March 2011. After going through the mandatory and comprehensive acceptance sea trials, the LPD was ready to sail to its base in Thailand for the final acceptance trials.
ST Marine held a ceremony 03 April 2012 for preliminary acceptance and delivery of the 141m Landing Platform Dock (LPD), which it designed and built for Royal Thai Navy at its Benoi yard. The ceremony held in the morning was graced by Admiral Surasak Rounroengrom, Commander-in-Chief of the Royal Thai Navy, and His Excellency Mr Marut Jitpatima, Ambassador of Thailand to Singapore.
At least one additional unit is planned.
| Length over flight deck | 141 meters |
| width | 21 meters |
| Displacement, full | 7,600 tons |
| operating speed | 12 knots for 5,000 n. miles |
| full duty speed | Not less than 17 knots |
| Durability | Not less than Sea State 6 |
| propulsion | two Caterpillar C280-12 diesel engines each rated at 4060 kW two controllable pitch propellers four Caterpillar 3512B 900 kW gensets |
| Crew |
-130 enlisted crew -15 flight unit. -15 operations department |
| combatant troops landed | 360 people with military equipment |
| Flight Deck | Sea Hawk / Navy Hawk 2 or transfer a CH-47 |
| Vehicle Deck | supports the M60 tanks 15-15 Trucks and Trailers of different sizes |
| Well Dock | 19 AAVs 2 LCVP |
| Ramp | can marry with LCU |
| Side Door | side door ramp for transport vehicle |
| Combat System |
-Combat operations systems TERMA C-Flex Denmark -Control systems on a font TERMA C-Fire EOFCS coat |
| Armament |
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| LCVP |
-Length - 13 meters -Truck weight not less than 3,600 kg or 36 people -Maximum speed greater than 15 knot |
| LCM |
-Length along the flight 23 meters -Truck weight not less than 18 tons -Maximum speed is greater than 12 knot |
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