The KAI KUH-1 Surion is a twin-engine, transport utility helicopter developed primarily by Korea Aerospace Industries (KAI)

KAI KUH-1 Surion"2010"

Role Medium transport helicopter
National origin South Korea
Manufacturer Korea Aerospace Industries
Designer Korea Aerospace Industries
(with technical assistance from Eurocopter)
First flight 10 March 2010
Introduction 22 May 2013
Status In service
Primary users Republic of Korea Army
National Police Agency (South Korea)
Produced 2010-present
Number built 170 (by Dec. 2020, including derivatives)
Developed from Eurocopter AS332

Korea Aerospace Industries

Korea Aerospace Industries

Kai Aerospace

Fixed-wing aircraft

Korean Aircraft

KAI KUH-1 Surion"2010"

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KAI KUH-1 Surion"2010"

The KAI KUH-1 Surion is a twin-engine, transport utility helicopter developed primarily by Korea Aerospace Industries (KAI), Agency for Defense Development (ADD) and Korea Aerospace Research Institute (KARI) jointly with Eurocopter. In 2006, the research and development phase of the Korea Helicopter Project – Korea Utility Helicopter (KHP-KUH), costing around 1.3 trillion (equivalent to ₩1.67 trillion or US$1.48 billion in 2017)[5], was launched by the Agency for Defense Development in 2006.[6][7] In 2012, full-scale production of the Surion commenced; KAI has been designated as the principal manufacturer of the type.[7]

An initial force of around 245 Surions have been ordered by the Republic of Korea Army to replace their aging fleets of UH-1H utility helicopters and 500MD light utility helicopters,[7] which have been in service for decades. KAI shall also construct civilian and law enforcement variants of the helicopter.[


The KAI KUH-1 Surion is a twin-engine medium-sized multipurpose rotorcraft, carrying up to nine troops along with a crew of four (two pilots and two gunners in the main cabin area) in a utility transport capacity. It has been designed to be rapidly reconfigured to serve different roles, some models are also navalised.[10] The Surion can perform various duties and roles, such as military transportlaw enforcementaerial observationsearch and rescuemaritime supportaerial firefighting, and for civilian purposes along with other missions.[30][31]

Power is provided by a pair of 1900shp class Hanwha Techwin T700-701K turboshaft engines, a licence-built localized development of the General Electric T700.[32][33] The T700/701K, co-developed by General Electric and Hanwha Techwin, is the first rear-drive variant of the T700 engine and features a -701D common core, high-efficiency counter-rotating power turbine, and a new FADEC system

 South Korea
  • Republic of Korea Army: 245 KUH-1 Surions on order. The deliveries, which started in 2012, will take for eight to ten years. 134 in service as of December 2020.
  • Republic of Korea Marine Corps: 30 amphibious variant ordered. 13 Marineon helicopters are in service as of December 2020.
  • National Police Agency: 2 KUH-1P aircraft ordered, both delivered by 12 February 2014. In December 2013, KAI received an additional order from National Police Agency. A third was added in late 2015, and a fourth order in 2017. In 2020, additional 2 helicopters are ordered. As of December 2020, 8 police helicopters are in service.
  • Korea Forest Service: Korea Aerospace Industries (KAI) has been awarded a contract by the Korea Public Procurement Service to provide a variant of KUH Surion helicopter to the Korea Forest Service (KFS), the company announced on 7 December 2015. The service’s KUH-1FS was delivered in 2017 and fitted with a 528-gal (2,000-l) belly water tank and a rescue hoist.
  • Jeju Fire Department: Contract to provide a firefighting helicopter for Jeju Fire Safety Headquarters. The 25-billion-won helicopter will likely be launched in 2015.

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KAI KUH-1 Surion "2010"

ROK Army KUH-1M in the medevac role

On 22 May 2013, a handover ceremony of ten Surions was conducted to mark the helicopter’s deployment at the Army Aviation School in NonsanSouth Chungcheong Province, attended by President Park Geun-hye.

The KUH-1 performed its first operational mission in August 2015, conducting MEDEVAC in the aftermath of North Korean artillery shells that struck South Korean territory near the Korean Demilitarized Zone. Since entering service, the Surion has reportedly held an availability rate in excess of 80 percent.


  • Crew: 2 pilots + 2 gunners(crews) + 9 troops, or 2 pilots + 12~15 passengers
  • Capacity: 3,753 kg (8,274 lb) useful load
  • Length: 19.0 m (62 ft 4 in) (with main Rotor), 15.09 m (49.5 ft) 
  • Height: 4.5 m (14 ft 9 in)
  • Empty weight: 5,136 kg (11,323 lb)
  • Max takeoff weight: 8,709 kg (19,200 lb)
  • Powerplant: 2 × Hanwha Techwin General Electric T700/701K (T700-GE-701D variant) turboshaft, 1,428 kW (1,915 shp) 
  • Cruise speed: 283 km/h (176 mph, 153 kn)
  • Never exceed speed: 290 km/h (180 mph, 160 kn)
  • Range: 562 km (349 mi, 304 nmi) [80]
  • Ferry range: 563 km (514 mi, 447 nmi) [80]
  • Service ceiling: 4,595 m (15,075 ft)
  • Rate of climb: 8.5 m/s (1,700 ft/min) Vertical rate of Climb
  • Hovering ceiling: 2,717 m (8,915 ft)[81]
  • Missiles: (planned in development) Air to ground missileEmergency Floatation, Rescue Hoist, Search Light, Public Address, Cargo Hook, HUMS, AVCS, Air Conditioning System, Cabin/cargo Camera, Belly Tank, Machine Gun, EWS, IRS, Armor Plate, etc.

Garmin G5000H, GPS, INS, Weather Radar, Digital Map, FLIR(EO/IR), RALT, TCAS II, HTAWS, ELT, AIS, SAR-DF, ELT, SATCOM, WVTS, Transponder, DME, VOR/ILS, CV/FDR, Wi-Fi, etc.

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The KAI KUH-1 Surion is a twin-engine, transport utility helicopter developed primarily by Korea Aerospace Industries (KAI)