Eurocopter / Aerospatiale AS 355 Ecureuil 2 / AS 555 Fennec

Light Utility Helicopter

Eurocopter AS 555 © Karsten Palt
Photo ©: Karsten Palt
The Aérospatiale AS 355 Ecureuil 2 is a twin-engine six- to seven-seat light utility helicopter produced by the French manufacturer Aerospatiale, today Eurocopter. AS 355 in military duty are designated AS 555 Fennec.
The AS 355 Ecureuil 2 is a twin-engined development of the Aérospatiale AS 350 EcureuilAérospatiale AS 350 Ecureuil. Earlier AS 355 were marketed in the North-American market as Twin Star. The AS 355 is also produced under license by Helibras (today a subsidiary of Eurocopter) in Brazil.
Propulsion2 Turboshaft Engines
Engine ModelTurbomeca Arrius 1A
Engine Power (each)340 kW456 shp
max. Cruise Speed222 km/h120 kts
  138 mph
max. Speed (vne)278 km/h150 kts
  173 mph
Service Ceiling6.096 m20.000 ft
Rate of climb395 m/min1296 ft/min
Range700 km378 NM
435 mi.
Empty Weight1.382 kg3.047 lbs
max. Takeoff Weight2.600 kg5.732 lbs
Rotor Blades (main/tail)3/2
Main Rotor Diameter10,69 m35 ft 1 in
Tail Rotor Diameter1,96 m6 ft 5 in
Rotor Disc Area89,8 m²967 ft²
Length (Fuselage)10,93 m35 ft 10 in
Length12,94 m42 ft 5 in
Height3,34 m10 ft 11 in
First Flight28.09.1979
Production Statusin production
Data for (Version)Eurocopter AS 555N Fennec
VariantsAS355 E, AS355 F, AS355 F1, AS355 F2, AS355 M, AS355 M2, AS355 N, AS355 NP, HB355F, HB.355N, AS555 AF, AS555 AN, AS555 AR, AS555 MN, AS555 MR, AS555 SN, AS555 SR, AS555 UN, AS555 U