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In the early 1970s, Aérospatiale initiated a development programme to produce a replacement for the aging Aérospatiale Alouette II.[4] While the Aérospatiale Gazelle, which had been developed in the 1960s and 1970s, had been met with numerous orders by military customers, commercial sales of the type had been less than anticipated, thus the need for a civil-oriented development was identified
The AS350 is a single engine helicopter, powered either by a Lycoming LTS101 or Turbomeca Arriel powerplant (for twin-engined variants, see Eurocopter AS355), that drives a three-blade main rotor, which is furnished with a Starflex rotor head. The type is known for its high-altitude performance and has seen use by operators in such environments. Both the main and tail rotors make use of composite material and are designed to minimize corrosion and maintenance requirements.
The AS350 was also developed to comply with the noise requirements in place in locations such as national parks; the in-cabin noise levels are such that passengers may also readily converse during flight. The aircraft can also be quickly started up and shut down, which is often useful during emergency medical services roles. It is equipped with hydraulically-assisted flight controls; these controls remain operational, albeit operated with greater physical effort, in the event of a hydraulic failure.Ceiling
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The Eurocopter EC725 Caracal, now called Airbus Helicopters H225M, is a long-range tactical transport military helicopter developed from the Eurocopter AS532 Cougar.
The EC725 is based on the Eurocopter AS 532 Cougar, improving upon
The EC725 was developed to meet a French Air Force requirement for a specialist helicopter for Combat Search and Rescue operations.
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