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AS355 Ecureuil  
Initial Operational Capability (IOC): 1982
Maiden Flight: 28 September 1979
Total Production: 600
Also Known As: AS 355 Ecureuil 2, AS 355N Ecureuil and TwinStar
Origin: France
Corporations: Airbus Helicopters
Parent System: AS 350
Initial Operational Capability (IOC): April 1978
Maiden Flight: 27 June 1974
Total Production: 4,271
Family Members: AS350 Ecureuil, AS355 NP Ecureuil, AS550 Fennec, AS555 Fennec, AS555 SN Fennec, EC130, H125, H125M and H130
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Description: The Fennec/Ecureuil is a family of multi-role helicopters featuring design simplicity, reliability and high performance. The aircraft was developed in the 1970s by Aerospatiale, thereafter Eurocopter and now Airbus Helicopters, as a replacement for the Allouette II. These lightweight helicopters are intended for both commercial and military markets. Fennec designation applies to military helicopters and Ecureuil, which means 'Squirrel' in English, applies to commercial helicopters. These platforms can be powered either by a single turboshaft engine or by two engines (AS 350/550 and AS 355/555 series). Composite materials have been used extensively in the aircraft design making it more durable and lighter. There are many variants of Fennec/Ecureuil helicopter family primarily due to the use of different power plants such as Arriel and Arrius family of engines. The characteristics of Fennec/Ecureuil helicopters also translate into low acquisition costs and low costs of maintenance and operation. Eurocopter has scored a big success through this helicopter family with more than 4,000 aircraft (2,400+ single engine models) sold around the globe so far. First flight was carried out in 1974 and the first delivery in April 1978.

The twin-engine AS355 Ecureuil 2 is a lightweight utility helicopter that first flew on September 28, 1979 and the first delivery happened in 1982. The AS 355N is a powerful twin-engine version of Ecureuil helicopter fitted with two Turbomeca Arrius 1A turbine engines. Arrius 1A engines feature FADEC (Full Authority Digital Electronic Control) which makes to piloting easier and safer. This model has been optimized to perform aerial work, offshore operation, police and public services operations.

AS355 Ecureuil Applications

Fighting Ships Type 42

AS355 Ecureuil Specifications

Crew: 1
Main Rotor Blades: 3
Number of Engines: 2
Passengers: 6
Tail Rotor Blades: 2
Height: 3.02 meter (119 inch)
Length: 10.9 meter (430 inch)
Main Rotor Diameter: 10.7 meter (421 inch)
Width: 1.85 meter (73 inch)
Ceiling: 6,096 meter (20,000 foot)
Max Range: 428 kilometer (231 nautical mile)
Max Power at TakeOff: 794 shp (592 kW)
Cruise Speed: 245 kph (132 KTAS)
Top Speed at High Altitude: 279 kph (151 KTAS)
Flight Endurance: 2.90 hour (174 minute)
Empty Weight: 1,437 kilogram (3,168 pound)
Max Takeoff Weight: 2,600 kilogram (5,732 pound)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

AS355 Ecureuil News

There are 2 news between
10 Jan 2006 and 1 Mar 2007
Thursday, March 1, 2007Rolls-Royce Joins with Heli-Lynx for AS355 Upgrades
Tuesday, January 10, 2006Kingdom of Jordan Orders 4 Additional EC 635 Helicopters

Operators & Related Equipment

201440AS 555

Grand Total ?8
Propulsion Systems
Arrius 1x2
Model 250-C20x2
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