Aérospatiale ( Eurocopter ) Dauphin

AS365 X

Better known as the DGV 200 or Dauphin Grand Vitesse (High Speed Dauphin), the AS365 X was developed from the X-380 DTP (Developpement Technique Probatoire or Probatory Technical Development) testbed, first flown on 20th March 1989.

The aircraft was first flown in the AS365 X configuration two years later in March 1991, and featured a smaller Fenestron, a new main rotor with five high-inertia blades with swept tips, a composite rotor hub/mast and 624 kW (837 shp) Turbomeca Arriel IX turboshafts.

On 19 November 1991, this aircraft set a Class E1e (3,000 to 4,500 kg) speed record of 201 knots (372 km/h or 231 mph) over a 3 km triangular course.

EC155 B/B1

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The Eurocopter EC155 is a long-range medium-lift passenger transport [Vous devez être inscrit et connecté pour voir ce lien] developed by [Vous devez être inscrit et connecté pour voir ce lien] from the [Vous devez être inscrit et connecté pour voir ce lien] 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, [Vous devez être inscrit et connecté pour voir ce lien] corporate transport and casualty transport duties.

Development


Originally designated AS365 N4, the EC155 was developed from the [Vous devez être inscrit et connecté pour voir ce lien] 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 [Vous devez être inscrit et connecté pour voir ce lien] in June 1997.

The first EC155 helicopter, a modified [Vous devez être inscrit et connecté pour voir ce lien] airframe, made its maiden flight at [Vous devez être inscrit et connecté pour voir ce lien] on 17 June 1997 and the first pre-production EC155 B flew on 11 March 1998.

The aircraft received safety certification by the French & [Vous devez être inscrit et connecté pour voir ce lien] 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.

Deliveries of the EC155 B began in March 1999, with the [Vous devez être inscrit et connecté pour voir ce lien] becoming the first operator.

The EC155 B1 was developed with more powerful engines and has 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 [Vous devez être inscrit et connecté pour voir ce lien] becoming the first operator.

Design

The EC155 B features a completely redesigned cabin providing 30% more passenger space than previous [Vous devez être inscrit et connecté pour voir ce lien] helicopter models, plus a 130% increase in baggage hold volume.

Other major improvements include a five-blade Spheriflex [Vous devez être inscrit et connecté pour voir ce lien] main rotor combined with the familiar shrouded [Vous devez être inscrit et connecté pour voir ce lien] to reduce vibration levels significantly.

The EC155 B is powered by two 635 kW (851 shp) [Vous devez être inscrit et connecté pour voir ce lien] engines mounted over the luggage hold, which feature a dual-channel [Vous devez être inscrit et connecté pour voir ce lien] system.

The EC155 B1 features uprated 697 kW (935 shp) Arriel 2C2s.

The helicopter can be fitted with an [Vous devez être inscrit et connecté pour voir ce lien] system to enable the aircraft to operate in very cold climates.

The [Vous devez être inscrit et connecté pour voir ce lien] is equipped with an 'Avionique Nouvelle' integrated digital flight control system featuring Eurocopter's Vehicle and Engine Management Display (VEMD), which utilizes [Vous devez être inscrit et connecté pour voir ce lien].

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).

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 [Vous devez être inscrit et connecté pour voir ce lien] 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 & Parapublic missions ranging from patrol, airborne surveillance, [Vous devez être inscrit et connecté pour voir ce lien] and [Vous devez être inscrit et connecté pour voir ce lien], the helicopter being fitted with specific mission equipment for these duties.