Developed from the single-engined Aérospatiale SA 360 Dauphin variant, the SA 365/AS365 Dauphin is one of Eurocopterï¿½s most successful designs and is widely used as a corporate transport, airborne law enforcement platform, emergency medical services (EMS) helicopter, electronic news gathering platform, and search & rescue helicopter. One of the distinctive features of the Dauphin is its fenestron tail rotor.
The military version of the Dauphin is the Eurocopter Panther. The Dauphin is also used by the United States Coast Guard under the designation HH/MH-65C Dolphin.
The Dauphin is also manufactured in China under licence as the Z-9 by the Harbin Aircraft Manufacturing Corporation, and subsequently developed as the armed versions WZ-9 and WZ-9A-100.
More than 800 AS365/366/565 versions have been produced or ordered, with the 500th Dauphin (counting all models) having been delivered in 1991. More than 90 EC155s have been delivered.
Dauphin SA 365N SP (Public Service) of the French Navy 35F wing detachment in Hyères
Eurocopter AS365 N2 Dauphin used by Child Flight
Eurocopter AS365 N3 Dauphin 2 rescue helicopter I-TNBB on Italian skiing areaRegarding the naming of the different variants, it should be noted that, until January 1990, the AS365 models were designated as SA 365.
SA 365 C
This twin-engined version of the Dauphin, designated as the Dauphin 2, was announced in early 1973. The first flight of the first prototype took place on 24 January 1975, with production model deliveries starting in December 1978. In comparison with the earlier model, the SA 365 C featured twin 470 kW (630 shp) Arriel 1 turboshafts in a new engine fairing, a Starflex main rotor hub and a higher maximum takeoff weight (3,400 kg or 7,495 lb). The aircraftï¿½s Fenestron anti-torque device featured 13 metal blades. Production of both the SA 360 and SA 365 C ceased in 1981, by which time approximately 40 SA 360s and 50 SA 365 C/C1s had been built. Both types were replaced by the SA 365 N.
SA 365 C1
Minor upgrade of the SA 365 C powered by Arriel 1A1.
AS365 N (originally SA 365 N)
This is a much improved version of the SA 365 C Dauphin 2, the first prototype flying on 31 March 1979. This version introduced the more powerful 492 kW (660 shp) Arriel 1C turboshafts, a retractable tricycle undercarriage, enlarged tail surfaces, and revised transmission, main rotor, rotor mast fairing and engine cowlings. The aircraftï¿½s initial M.T.O.W. of 3,850 kg (8,488 lb) was later raised to 4,000 kg (8,819 lb). Deliveries of the production model began in 1982.
Incorporating many of the improvements developed for the SA 366 G1 (HH-65 Dolphin), this version introduced upgraded 526 kW (705 shp) Arriel 1C1 turboshafts, an improved 11-blade Fenestron with wider-cord blades (which reduced the AS365 N1ï¿½s noise signature), movable undercarridge doors replaced by simplified fairings and a higher gross weight of 4,100 kg (9,039 lb).
This version - designated AS365 N2 from the outset - introduced the upgraded 549 kW (737 shp) Arriel 1C2 turboshafts, an uprated gearbox, increased maximum take-off weight of 4,250 kg (9,370 lb), redesigned cabin doors and revised interior, enlarged tail fin with all-composite Fenestron. Deliveries of this version started in 1990. Licensed versions, called the Z-9 and Z-9A, were assembled in China.
The high-performance AS365 N3 was developed for operations in ï¿½hot and highï¿½ climates, and introduced 635 kW (851 shp) Arriel 2C turboshafts equipped with full authority digital engine control (FADEC), mated to an uprated main transmission for better single engine performance. The AS365 N3 also features a new-generation 10-blade composite Fenestron anti-torque device with asymimmetic blade distribution, offering a further reduction in noise signature. The AS365 N3ï¿½s gross weight is 4,300 kg (9,480 lb). Production deliveries began in December 1998 and this version is currently still in production.
Produced as the EC155.
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.
For a more detailed discussion of the military versions of the Dauphin, see: Eurocopter Panther.
SA 365 F/F1
Naval version of the AS365 N.
SA 365 H
Military version of the SA 365 C.
SA 365 K
Military version of the AS365 N2.
SA 365 M
Military version of the AS365 N2.
Military AS365 Ns are designated as AS 565 Panthers and are available in the following versions:
Naval search & rescue versions.
ASW (Anti Submarine Warfare) versions.