RSS Steadfast in 2008
ST Engineering (Marine)
|Operators:||Republic of Singapore Navy|
|Displacement:||3,200 tonnes (3,150 long tons; 3,530 short tons)|
|Length:||114.8 m (376 ft 8 in)|
|Beam:||16.3 m (53 ft 6 in)|
|Draught:||6.0 m (19 ft 8 in)|
4× ISM V1708 diesel generators, each producing 860 kilowatts (1,150 shp) |
Total output: 3,440 kW (4,610 shp)
Combined diesel and diesel (CODAD) arrangement |
4× MTU 20V 8000 M90, each rated at 9,100 kW (12,200 shp)
Total output: 36,400 kW (48,800 shp)
Maximum: 27 knots (50.0 km/h; 31.1 mph) |
Cruising: 18 kn (33.3 km/h; 20.7 mph)
|Range:||4,200 nautical miles (7,780 km)|
|Complement:||71, excluding air crew detachment of approx. 19|
|Sensors and |
Search radar: Thales Herakles multi-function radar |
Navigation radar: Terma Electronic Scanter 2001
Sonar: EDO Model 980 active low frequency towed sonar (ALOFTS)
|Electronic warfare |
ESM: RAFAEL C-PEARL-M |
Decoys: Sagem Défense Sécurité New Generation Dagaie System, 2× forward & 1× aft.
Anti-ship: 8× RGM-84C Harpoon SSM |
Anti-air: MBDA Aster 15/30 launched from 4× Sylver A50 8-cell VLS
Anti-submarine: EuroTorp A244/S Mod 3 torpedoes launched from 2× B515 triple tubes with reloads
Guns: Oto Melara 76mm Super Rapid gun (mounted in stealth cupola), 4× CIS 50MG 12.7 mm (0.50 in) HMG, 2x 25mm Mk38 Mod2 Typhoon Weapon Station Stabilised Gun
|Aircraft carried:||1× S-70B Seahawk multi-mission capable naval helicopter|
|Aviation facilities:||Flight deck and enclosed hangar for up to two medium-lift helicopters|
The Formidable-class multi-role stealth frigates are the latest surface platforms to enter into service with the Republic of Singapore Navy, and are multi-mission derivatives of the French Navy’s La Fayette class frigate. The frigates are key information nodes and fighting units, and are described as "by far the most advanced surface combatants in Southeast Asia." The six ships form the 185 Squadron of the RSN.
Planning and acquisition[edit | edit source]
The search for a replacement for the aging Sea Wolf class missile gunboats, which entered into service in 1972, started in the mid-1990s. The United States, Sweden and France participated in the bid for the contract. In March 2000, the Singapore Ministry of Defence awarded the contract to DCNS for the design and construction of six frigates. A key feature of the contract was the technology transfer arrangement. Under the arrangement, DCNS was to design and build the first frigate in its Lorient yard in France while the remaining five frigates were to be built locally by Singapore Technologies (ST) Marine at its Benoi yard in Singapore. Subsequent maintenance and mid-life retrofit will be done by ST Marine.
Construction of the Formidable began in late 2002, when the keel was laid down in Lorient on November 2002.
|RSS Formidable||68||7 January 2004||5 May 2007|
|RSS Intrepid||69||3 July 2004||5 February 2008|
|RSS Steadfast||70||28 January 2005||5 February 2008|
|RSS Tenacious||71||15 July 2005||5 February 2008|
|RSS Stalwart||72||9 December 2005||16 January 2009|
|RSS Supreme||73||9 May 2006||16 January 2009|
Design and construction[edit | edit source]
Radar cross section (RCS) reduction features have been incorporated into the Formidable class design, with inclined hull sides and bulwarks as well as concealment of ship boats and replenishment-at-sea equipment behind low-RCS curtains. The Formidable class have a significantly reduced profile than the La Fayette class and its other derivatives, due to the smaller superstructure and the use of enclosed sensor mast technology. The frigate is also constructed entirely of steel, unlike the La Fayette class which makes extensive use of weight-saving composite structures in its aft superstructure block. The frigates also possess better sea keeping qualities and are able to stay at sea for longer periods of time.
Sensors and systems[edit | edit source]
The frigates are equipped with the Thales Herakles phased-array multi-function radar, which provides three-dimensional surveillance for up to 250 km (155.3 mi). The radar provides all-round automatic search and tracking of both air and surface targets, and is integrated with the MBDA Aster air defence system. Utilising the DCNS Sylver vertical launch system (VLS), each frigate is equipped with 32 cells. It is reported that the frigates have a special surface-to-air missile conﬁguration, combining the Thales Herakles radar with the Sylver A50 launcher and a mix of Aster 15 and 30 missiles.
The Formidable class frigates are key nodes within the Singapore Armed Forces' Integrated Knowledge-based Command and Control network, a concept similar to the United States Department of Defense's network-centric warfare doctrine. The locally-developed Combat Management System integrates all the sensors and weapon systems on board, and a dual Fast Ethernet data transfer system forms the backbone of this system.
Each frigate has a span of influence that stretches up to about 200 nmi (370 km), where it acts as the Navy's mobile operations centre out at sea and receives information from sister ships and aerial assets deployed within the range. The Combat Management System will then make sense of the different data, establish an accurate picture of the area of operations, and send the information back to shore and to its army and air force counterparts. This increases battlespace awareness and allows little time for the enemy to react due to the short sensor-to-shooter loops.
Armament[edit | edit source]
The frigates are equipped with Boeing Harpoon missiles and Oto Melara 76 mm guns for surface defence. The Harpoon missile has a range of 117 km (63 nmi) and uses active radar guidance. It is armed with a 227 kg (500 lb) warhead. The gun fires 6 kg (13 lb) shells to a maximum range of 30 km (33,000 yd) at a firing rate of up to 120 rounds per minute.
The frigates are also equipped with the EDO Corporation active low frequency towed sonar to enable long range submarine detection and classification, as well as EuroTorp A244/S Mod 3 lightweight torpedoes fired from two B515 triple-tube launchers hidden behind the bulwark.
The frigates are equipped with Sikorsky S-70B naval helicopters, an international derivative of the United States Navy Sikorsky SH-60B Seahawk. The Ministry of Defence signed a contract with Sikorsky Aircraft Corporation in January 2005 to acquire six of these helicopters, which will be organic to the frigates. Each of these naval helicopters are equipped with a Telephonics AN/APS-143 Ocean Eye X-band maritime surveillance and tracking radar, a L-3 Communications Helicopter Long Range Active Sonar (HELRAS) dipping sonar, EuroTorp A244/S Mod 3 torpedoes and a Raytheon AAS-44 electro-optic system to provide infrared detection and tracking. The naval helicopters will be raised as a squadron in the Republic of Singapore Air Force and piloted by air force pilots, but the system operators will be from the Navy.
Operational History[edit | edit source]
RSS Formidable participated in Exercise Malabar 07-2 in September 2007, a Theater Security Cooperation engagement involving the navies of the United States, India, Australia, Japan and Singapore. The exercise involved more than 20,000 personnel on 28 ships and 150 aircraft, including the USS Kitty Hawk Carrier Strike Group.
RSS Intrepid conducted the navy's inaugural live firing of the French-made Aster 15 surface-to-air missile on 2 April 2008, off the French coast of Toulon. The frigate successfully shot down an aerial drone simulating an enemy target with an Aster missile. It was reported that the frigate sailed halfway round the world to test fire the Aster missiles due to the crowded air and sealanes around Singapore and the lack of an instrumented firing range needed by defence engineers to track and measure the performance of the Aster missile.
RSS Steadfast participated in the world's largest multilateral naval exercise RIMPAC for the first time from 27 June to 31 July 2008, which involved 20,000 personnel from 10 countries operating over 35 ships, six submarines and over 150 aircraft. During this exercise, RSS Steadfast launched a Harpoon missile on a decommissioned USN warship on 14 July 2008 and also refueled at sea with a contingent of USN vessels. Participation in this exercise also validated the RSN's ability to conduct sustained sea operations.
On 16 November 2009, the Republic of Singapore Air Force established its Peace Triton Sikorsky S-70B Seahawk Naval Helicopter detachment at the USN Maritime Strike Weapons School in San Diego, California to undertake qualification and operational training under the umbrella of the USN's SH-60F Aircraft Qualification Course. RSS Stalwart was deployed to southern California to support ship/air integration activities. On 25 March 2010, the Minister for Defence Teo Chee Hean announced that the Seahawk integration programme had successfully concluded with a "high-tempo, week-long exercise" involving assets from both the RSN and USN, including five surface ships, a submarine, maritime patrol aircraft and F-18 Hornet combat jets.
Minister for Defence Ng Eng Hen has confirmed on 6 March 2012 that a Formidable-class vessel along with a naval helicopter will be deployed to the Gulf of Aden for the counter piracy mission with CTF-151 later in the year.
See also[edit | edit source]
- La Fayette class frigate: French stealth frigate
- Valour class frigate: South African stealth frigate
References[edit | edit source]
Citations[edit | edit source]
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