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Eurocopter AS355 NP Ecureuil / Twinstar helicopter

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Specifications Comment this helicopter
Picture AS355NP_Ecureuil__Twinstar
General
Manufacturer Eurocopter
Type AS355 NP Ecureuil / Twinstar
Introduced 10/3/1979
In production? Yes
Units produced 0
Price US $ 4,000,000.00
Dimensions
Overall Length 42.5 ft
Length 35.9 ft
Height 11 ft
Width 0 ft
   
   
Description

The AS355 is a light utility helicopter originally made by Aérospatiale, later Eurocopter and today by Airbus Helicopters. It first took flight in 1979. Production began in 1975.

The AS355 began design as an explicit replacement for the Alouette II and would fulfill roles in corporate transport and utility missions across the world.

The AS355 has been developed from the outset to have full Category A performance and ISA+10 certification.

There are many variants of the twin-engine model and it represents more performance in this class than other similarly-priced competitors.

The AS355 (F2) is powered by two Allison 250-C20F turboshaft engines, each rated at 420 shaft horsepower. This gives it a cruising speed of 224 kilometers per hour or about 139 miles per hour. It has an excellent range of 703 kilometers (437 miles) and a service ceiling of 3 400 meters or just over 11 000 feet.

In the USA the helicopter was marketed as the Twinstar. It is also known as the Ecureuil or the AStar. In total nearly 4000 have been delivered, which means this family of helicopters is one of the most successful on the world market.

Although the EC130 entered the market as a functionally direct replacement, production of the popular AS355 continues today.

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Design features
  • Design based on AS350
  • Composite rotor blades
  • Skid type landing gear
Description

The AS355 is a light utility helicopter originally made by Aérospatiale, later Eurocopter and today by Airbus Helicopters. It first took flight in 1979. Production began in 1975.

The AS355 began design as an explicit replacement for the Alouette II and would fulfill roles in corporate transport and utility missions across the world.

The AS355 has been developed from the outset to have full Category A performance and ISA+10 certification.

There are many variants of the twin-engine model and it represents more performance in this class than other similarly-priced competitors.

The AS355 (F2) is powered by two Allison 250-C20F turboshaft engines, each rated at 420 shaft horsepower. This gives it a cruising speed of 224 kilometers per hour or about 139 miles per hour. It has an excellent range of 703 kilometers (437 miles) and a service ceiling of 3 400 meters or just over 11 000 feet.

In the USA the helicopter was marketed as the Twinstar. It is also known as the Ecureuil or the AStar. In total nearly 4000 have been delivered, which means this family of helicopters is one of the most successful on the world market.

Although the EC130 entered the market as a functionally direct replacement, production of the popular AS355 continues today.

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Design features:
  • Design based on AS350
  • Composite rotor blades
  • Skid type landing gear
Performance
Persons 6
Max. Range 454 mi
Cruise Speed 117 mph
Max. Speed 150 mph
Max. rate of Climb 1296 ft/min
HOGE ceiling 0 ft
Service Ceiling 13380 ft
Gross Weight 5732 lb
Empty Weigt 3313 lb
Useful Load 2419 lb
Dynamic system
Fuel Capacity 0 gallons
Number of Engines 2
Engine Type Turbine
Engine Code Turbomeca Arrius 1A1
Horse Power 460
Rotorhead Hinge-less, Starflex composite hub
Number of rotorblades 3
Rotor Diameter 35.1 ft
Number of tail rotorblades 2
Tailrotor Diameter 6.4 ft
Blueprints & model
Manufacturer Website manufacturer..
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