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Eurocopter EC155

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EC155
H155
An Airbus Helicopters H155 with NRW Police (Germany)
General information
TypePassenger transport helicopter
National originMultinational
ManufacturerEurocopter
Airbus Helicopters
StatusActive
History
Manufactured1997-present
Introduction dateMarch 1999
First flight17 June 1997
Developed fromEurocopter AS365 Dauphin
VariantsKAI LCH
Developed intoEurocopter X³
KAI LAH

The Airbus Helicopters H155 (formerly Eurocopter EC155) is a long-range medium-lift passenger transport helicopter developed by Eurocopter from its Dauphin family for civil aviation use. It is a twin-engined aircraft and can carry up to 13 passengers along with 1 or 2 crew, depending on customer configuration. The helicopter is marketed for passenger transport, offshore support, VIP corporate transport and casualty transport duties. In 2015, the EC155 was formally renamed to the H155, in line with Eurocopter's corporate rebranding as Airbus Helicopters.[1] It was succeeded in the product line by the Airbus Helicopters H160.

Development

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Originally designated AS365 N4, the EC155 was developed from the Eurocopter AS365 N3 Dauphin 2 with the aim of significantly increasing the cabin space of the Dauphin. Development began in September 1996 with the helicopter officially announced by Eurocopter at the Paris Air Show in June 1997. The first EC155 helicopter, a modified Dauphin airframe, made its maiden flight at Marignane on 17 June 1997 and the first pre-production EC155 B flew on 11 March 1998. The aircraft received safety certification by the French and German civil aviation authorities on 11 December 1998 and went into production soon after, with a price tag of US$7–8 million depending on installed equipment.

In March 1999, deliveries of the EC155 B commenced, the German Federal Police became the first operator of the type. Between March 1999 and June 2003, roughly 50 EC155 Dauphins were sold, mainly to VIP and off-shore customers.[2]

The EC155 B1 was developed with uprated engines, giving it improved performance at high altitude and in hot temperature conditions; this derivative also features a higher maximum take-off weight (10,846 lb vs. 10,580 lb). Deliveries of this model began in November 2002 with the Hong Kong Government Flying Service becoming the first operator. In early 2003, Eurocopter completed studies for an even more powerful version of the EC155 B1, designed to better compete with new rotorcraft such as the AgustaWestland AW139 and to better meet military customer's requirements.[2]

Several major elements of the EC155, such its rotor system (albeit modified to operate at slower rotational speeds), were used in the Eurocopter X3, an experimental high-speed compound helicopter which set an unofficial speed record of 255 knots (293 mph; 472 km/h) in 2013.[3][4] In 2015, an EC155 was also used by Airbus Helicopters as a flying testbed for new aerodynamic features, such as the rotor blades, biplane stabilizer and canted fenestron, for the developing Airbus Helicopters H160 helicopter.[5]

KAI LAH prototype in 2020

In 2015, Airbus Helicopters and Korean Aerospace Industries (KAI) formed an agreement to transfer principle manufacturing activity for the EC155 to South Korea; KAI shall become the sole manufacturer of the type after 2018, and both firms shall be jointly involved in the international marketing and further development of the type. The EC155 is to serve as the basis for KAI's Light Civil Helicopter (LCH) and Light Armed Helicopter (LAH), featuring numerous changes including a new cockpit, improved gearbox and rotor blades; the LAH shall have a chin-mounted 20 mm cannon and side-mounted guided rockets, countermeasures systems, and be able to carry 6–10 combat troops. The LCH is to enter service in 2020, and the LAH will follow in 2022 to replace the MD 500 Defender and AH-1J/S Cobra. Airbus foresees a South Korean demand for 100 LCHs and 214 LAHs, and estimates an international market of 300–400 LAH versions to replace legacy attack helicopters.[6][7]

Design

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EC155 B1 of Kingfisher Airlines in India

The EC155 B features a completely redesigned cabin providing 30% more passenger space than previous Dauphin helicopter models, plus a 130% increase in baggage hold volume. Other major improvements include a five-blade Spheriflex composite main rotor combined with the familiar shrouded Fenestron tail rotor to reduce vibration levels significantly. The EC155 B is powered by two 635 kW (851 shp) Turbomeca Arriel 2C1 turboshaft engines which feature a dual-channel Full Authority Digital Engine Control (FADEC) system. The EC155 B1 features uprated 697 kW (935 shp) Arriel 2C2s. The helicopter can be fitted with an anti-icing system to enable the aircraft to operate in very cold climates. The all-glass cockpit is equipped with an 'Avionique Nouvelle' integrated digital flight control system featuring Eurocopter's Vehicle and Engine Management Display (VEMD), which utilizes active matrix liquid crystal displays. The EC155 is also equipped with a four-axis digital autopilot, coupled to the engine FADECs for full-envelope protection, and is offered with a Health and Usage Monitoring System (HUMS).[8]

Eurocopter designed the EC155 originally with three configurations, however, another two configurations were added in 2005. The Passenger Transport version can carry 12 passengers in comfort seats or 13 passengers in utility seats, along with 1 or 2 crew. The VIP or Corporate Transport version has a VIP lounge with working space accommodating up to 8 executives. The Casualty Transport version can carry 2 stretchered patients with up to 4 seated medical staff, or 4 patients on stretchers plus 2 seated medical staff. The configurations added in 2005 were for offshore operation and police and parapublic missions ranging from patrol, airborne surveillance, SAR and EMS, the helicopter being fitted with specific mission equipment for these duties.[9]

Variants

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Operators

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An EC155 of the German Bundespolizei

The aircraft is operated by private individuals, companies and charter operators. It is also operated by government organisations and as an offshore transport for the gas and oil industry.

 China
 Dominican Republic
 Germany
An EC155, operated by the Hong Kong Government Flying Service
 Hong Kong
 Thailand
 United States
 Vietnam

Specifications (EC155 B1)

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Data from {Eurocopter.com}[21][22]

General characteristics

  • Crew: 1 or 2 (pilots)
  • Capacity: 13 passengers or 2,301 kg (5,073 lb) payload
  • Length: 14.3 m (46 ft 11 in)
  • Height: 4.35 m (14 ft 3 in)
  • Empty weight: 2,618 kg (5,772 lb)
  • Gross weight: 4,950 kg (10,913 lb)
  • Max takeoff weight: 4,920 kg (10,847 lb)
  • Powerplant: 2 × Turbomeca Arriel 2C2 turboshaft engines, Take-off Power, 697 kW (935 hp) each
  • Main rotor diameter: 12.6 m (41 ft 4 in)
  • Main rotor area: 124.7 m2 (1,342 sq ft)

Performance

  • Never exceed speed: 324 km/h (201 mph, 175 kn)
  • Range: 857 km (533 mi, 463 nmi)
  • Ferry range: 985 km (612 mi, 532 nmi)
  • Service ceiling: 4,572 m (15,000 ft)
  • Rate of climb: 8.9 m/s (1,750 ft/min)

See also

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Related development

Aircraft of comparable role, configuration, and era

Related lists

References

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Citations

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  1. ^ "VIDEO: Meet the H Generation." Airbus Helicopters, 3 March 2015.
  2. ^ a b "Eurocopter may power up EC155 to boost sales." Flight International, 2 June 2003. p. 6.
  3. ^ Nelms, Douglas. "Aviation Week Flies Eurocopter's X3" Aviation Week & Space Technology, 9 July 2012. Accessed: 10 May 2014. Alternate link Archived 11 October 2012 at the Wayback Machine Archive
  4. ^ Paur, Jason. "X3 Helicopter Sets Speed Record At Nearly 300 MPH" Wired, 11 June 2013. Accessed: 17 June 2014. Archived on 31 March 2014
  5. ^ Osborne, Tony (3 March 2015). "Airbus Removes Veil From H160 Project". Aviation Week & Space Technology. Archived from the original on 4 March 2015. Retrieved 4 March 2015.
  6. ^ a b Waldron, Greg. "PICTURES: KAI signs key LCH/LAH contracts." Flight International, 25 June 2015.
  7. ^ Waldron, Greg."ADEX: Airbus Helicopters eyes international market for LAH." Flight International, 23 October 2015
  8. ^ Gray 2000, pp. 48–49.
  9. ^ Gray 2000, p. 48.
  10. ^ Waldron, Greg. "Airbus Helicopters to work with KAI on LCH/LAH programme." Flight International, 16 March 2015.
  11. ^ "Shanghai targets city fleet of 15 helicopters by 2020". helihub.com. 29 November 2011. Retrieved 10 March 2013.
  12. ^ "Eurocopter EC-155B Aircraft". Copyright 2012 Demand Media, Inc. Retrieved 3 December 2013.
  13. ^ "– FAD 01: historia de la flota aerea presidencial dominicana (in Spanish)". Archived from the original on 7 November 2017. Retrieved 21 April 2017.
  14. ^ "Last two of twenty EC155s handed over to German Federal Police". helihub.com. 27 June 2012. Retrieved 10 March 2013.
  15. ^ "Eurocopter EC-155B Aircraft". Copyright 2012 Demand Media, Inc. Retrieved 3 December 2013.
  16. ^ "Eurocopter EC 155". aerospace-technology.com. Retrieved 10 March 2013.
  17. ^ "Hong Kong Government Flying Service EC155". Demand media. Retrieved 10 March 2013.
  18. ^ "Royal Thai Police takes delivery of three EC155s". helihub.com. 12 February 2011. Retrieved 10 March 2013.
  19. ^ "University of Michigan's 3 EC155s set new standards". propilotmag.com. Archived from the original on 1 March 2014. Retrieved 25 February 2014.
  20. ^ "UF Health Unveils Advanced ShandsCair Helicopter". mygtn.com. Archived from the original on 5 July 2015. Retrieved 3 July 2015.
  21. ^ "EC155B1". France: eurocopter.com. Archived from the original on 18 April 2012. Retrieved 21 April 2012.
  22. ^ Nicolas. "Airbus Helicopters, Inc. - H155 (formerly known as EC155) specifications". airbushelicoptersinc.com. Archived from the original on 14 July 2014. Retrieved 17 June 2014.

Bibliography

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Wikimedia Commons has media related to Airbus Helicopters H155 Dauphin.
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