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Republic of Korea Navy - ROKN
Westland Super Lynx Mk.99 / Mk.99A
westland super lynx mk.99a helicopter republic of korea navy rokn 05  
The Westland Lynx is a British multi-purpose twin-engined military helicopter designed and built by Westland Helicopters at its factory in Yeovil. Originally intended as a utility craft for both civil and naval usage, military interest led to the development of both battlefield and naval variants. The Lynx went into operational usage in 1977 and was later adopted by the armed forces of over a dozen nations, primarily serving in the battlefield utility, anti-armour, search and rescue and anti-submarine warfare roles.

The Lynx is a fully aerobatic helicopter with the ability to perform loops and rolls. In 1986, a specially modified Lynx set the current Fédération Aéronautique Internationale's official airspeed record for helicopters (category excludes compound helicopters) at 400.87 km/h (249.09 mph), which remains unbroken as of 2017.

Several land and naval variants of the Lynx have been produced along with some major derivatives. The Westland 30 was produced as a civil utility helicopter; it was not a commercial success and only a small number were built during the 1980s. In the 21st century, a modernised variant of the Lynx was designed as a multi-role combat helicopter, designated as the AgustaWestland AW159 Wildcat; the Wildcat is intended to replace existing Lynx helicopters. The Lynx remains in production by AgustaWestland, the successor to Westland Helicopters.

The Republic of Korea Navy (ROKN) of South Korea took delivery of the first batch of 12 Mk.99 Lynx helicopters in 1990; a second batch of 13 Mk.99A Super Lynx helicopters began delivery in 1999. The first Lynx batch was later upgraded to the same standard as the second batch; the changes included the adoption of a new radar, FLIR, and ESM systems. In 2013, South Korea's Defense Acquisition Program Administration announced its selection of the AW159 Wildcat; deliveries of eight aircraft are planned for 2015-16; these will be used for search and rescue, anti-submarine warfare and surveillance missions.

In May 2009, a ROKN Lynx successfully protected a North Korean freighter from being pursued by pirates off the coast of Somalia. In 2010, South Korea's Lynx fleet was temporarily grounded for emergency inspections following the crashes of two aircraft within the same week. Shortly afterwards it was discovered that the ROKN's helicopters had been victim of a maintenance scam, involving falsified documentation and faked replacement of components; by 2011, 12 employees of two South Korean private companies had been jailed, two ROKN officers were indicted, and several other officers were to be remanded as a result.

Super Lynx Mk.99:
Version of Super Lynx for the South Korean Navy, with Seaspray 3 radar in undernose radome, dipping sonar, and FLIR, for anti-submarine and anti-ship operations. Twelve were built. Super Lynx Mk.99A is the upgraded version with improved rotor, with a further 13 built.

Length: 43 ft 9.25 in (13.3414 m) including tail-rotor
Length overall: 50 ft (15.24 m)
Length folded: 35 ft 7.25 in (10.85 m)
Width folded: 9 ft 7.75 in (2.94 m)
Height folded: 10 ft 8 in (3.25 m)
Height: 12 ft 0.5 in (3.670 m) including tail-rotor
Main rotor diameter: 42 ft 0 in (12.80 m)
Main rotor area: 1,385.4 sq ft (128.71 m2)
Maximum speed: 175 kn (201 mph, 324 km/h)
Empty weight: 7,225 lb (3,277 kg)
Max takeoff weight: 11,750 lb (5,330 kg)

Endurance: 5 hours 20 minutes with auxiliary fuel
Range: 285 nmi (328 mi, 528 km)

Combat range: 540 nmi (620 mi, 1,000 km) with auxiliary fuel
ASW: 20 nmi (23 mi; 37 km) with dipping sonar + one torpedo and 2 hours on station
Point attack: 125 nmi (144 mi; 232 km) with 4 x Sea Skua
Surveillance: 75 nmi (86 mi; 139 km) - 3 hours 50 minutes on station

2 x LHTEC CTS800-4N turboshaft engines, 1,362 shp (1,016 kW) each for take-off, 1,267 shp (945 kW) maximum continuous
2 x Rolls-Royce Gem 42-1 - 1,000 / 890 shp (746 / 664 kW)

source: wikipedia

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