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AgustaWestland AW119

By Wikipedia,
the free encyclopedia,

http://en.wikipedia.org/wiki/Agusta_A119_Koala

AW119 Koala
Role utility helicopter
Manufacturer Agusta, later AgustaWestland
First flight February 1995
Introduced 2000
Produced 2000-
Number built 91 as of March 19 2007[1]
Unit cost $USD 1.85 million in 2000[2]
Developed from Agusta A109

Agusta A119 Koala at HeliRussia 2008
Agusta A119 Koala at HeliRussia 2008

Phoenix Police Department's 2006 A119 - side view
Phoenix Police Department's 2006 A119 - side view

The AgustaWestland AW119 Koala (Agusta A119 Koala prior to the Agusta-Westland merger) is an eight-seat utility helicopter powered by a single turboshaft engine and produced for the civil market. It is intended to appeal to operators for whom the lower running costs of a single-engine aircraft outweigh the redundancy of a twin.

Development

The A119 designation was first applied to a proposed 11-seat stretched version of the A109 in the 1970s, but this was never actually built. The aircraft that was eventually to enter production was conceived in 1994, as Agusta was recovering from the financial woes that had nearly put the company out of business, and the second of two prototypes took to the air in February the following year (the first prototype had been used for static tests). These two machines, registrations I-KOAL and I-KNEWwere then presented to the public at the Paris Air Show in June 1995 . Civil certification was originally anticipated in 1997, but that deadline was missed, Agusta citing personnel problems, and a need to increase the performance of the aircraft to meet customer expectations.

By way of a solution to the latter concern, the decision was taken to change the A119's powerplant. The prototypes were originally fitted with Turboméca Arriel 2K1 turboshafts, but the ubiquitous Pratt & Whitney Canada PT6B was chosen in its place. In 1998, the prototypes were remanufactured with this engine, being assigned new serial numbers at that time. Certification was now expected by the fourth quarter of that year, but even this date slipped to July 1999, and it was eventually December before Italian RAI certification was awarded. US FAA certification was awarded in February the following year. Customer deliveries began soon thereafter , with the first commercial example going to Australian logistics company Linfox (serial 14007, registration VH-FOX).

Design

The design itself was derived from Agusta's highly successful A109, but with only a single engine (as the A109 was originally designed) and with fixed skids replacing the retractable wheeled landing gear. A key selling point is its wide-body fuselage, seating passengers three-abreast in the cabin, or allowing for two litters and medical attendants to be carried in the medevac role, whereas most similar-sized helicopters can only carry one. The actual cabin volume is approximately 30% greater than other helicopters in its class.

For demonstration and publicity purposes, the two prototypes I-KOAL and I-KNEW appeared in eye-catching all-yellow and all-red liveries respectively.

Variants

  • A119 - original production version (AW119 after Agusta-Westland merger)
    • AW119 Ke - redesigned rotors, greater payload, better fuel efficiency

Operators

Major operators

Specifications (AW119Ke)

Data from AgustaWestland website

General characteristics

  • Crew: 1 pilot
  • Capacity: 6-7 passengers
  • Length: 13.01 m (42 ft 8 in)
  • Rotor diameter: 10.83 m (35 ft 6 in)
  • Height: 3.77 m (12 ft 4 in)
  • Disc area: 92.1 m² (991 ft²)
  • Empty weight: 1,430 kg (3,152 lb)
  • Loaded weight: kg (lb)
  • Max takeoff weight: 2,720 kg (5,997 lb)
  • Powerplant:Pratt & Whitney Canada PT6B-37A turboshaft, 747 kW (1,002 hp)

Performance

See also

Related development

Comparable aircraft

Related lists

External links




Text from Wikipedia is available under the Creative Commons Attribution/Share-Alike License; additional terms may apply.


Published - July 2009














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