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Sabtu, 25 Februari 2012

A129 Mangusta ( Heli )

Agusta A129 Mangusta


A129 Mangusta
Agusta A129 Mangusta at Air 04, Payerne, Switzerland
Role Attack helicopter
National origin Italy
Manufacturer Agusta
AgustaWestland
First flight 11 September 1983[1][2]
Status Active service
Primary user Italian Army
Produced 1980s-present
Number built 60
Variants TAI/AgustaWestland T-129
The Agusta A129 Mangusta (English: Mongoose) is an attack helicopter originally designed and produced by Agusta in Italy. It was the first attack helicopter to be designed and produced wholly in Western Europe.
The TAI/AgustaWestland T-129 ATAK is an enhanced version of the A129, and its development is now the responsibility of Turkish Aerospace Industries (TAI), with AgustaWestland as the primary partner.

Development and design

The Italian Army began to form a need for a light observation and anti-tank helicopter in 1972. West Germany had a similar need. The nations' requirements led to a joint project between the Italian company Agusta and West Germany company MBB. However the joint effort ended after preliminary work. Agusta initially studied an A109-based design, but moved to new design.[1] The company began design work on the A129 in 1978.[2] The first of five A129 prototypes took the type's maiden flight on 11 September 1983, and the fifth prototype first flew in March 1986. Italy ordered 60 A129s.[1]
In 1986, the governments of Italy, the Netherlands, Spain and the United Kingdom signed a memorandum of understanding to investigate an improved version of the A129, called the Joint European Helicopter Tonal. ("Tonal" was derived from the name of an Aztec deity.) The Tonal was to have more powerful engines, a new rotor system, retractable landing gear, improved sensors and more powerful armament. However, the project collapsed in 1990 when Britain and the Netherlands decided to obtain the AH-64 Apache instead. Spain has since acquired the Eurocopter Tiger. An export version, the A129 International (A129I), is a lower-cost helicopter with added firepower and upgraded avionics. In September 2007, the A129I was redesignated the AW129.
The A129 can be used in the anti-armour, armed reconnaissance, ground attack, escort, fire support and anti-aircraft roles. In the anti-armour role, the helicopter can carry either Hellfire, TOW or Spike-ER missiles, or a mix of them. The A129 can also be equipped with 81 mm or 70 mm (2.75 in) unguided rockets and has a M197 three-barrel 20 mm cannon in a turret mounted under its nose. For the anti-aircraft role, Stinger or Mistral missiles can be carried.
The A129 is equipped with autonomous navigation and night vision systems in order to provide both day/night and all-weather combat capabilities.
In the Australian Army's AIR 87 project to acquire Armed Reconnaissance Helicopters, the Agusta A129, the AH-64 Apache, and the Eurocopter Tiger were short-listed from the six original tenders. In December 2001 it was announced that the contract was awarded to the Eurocopter Tiger.[3]

Operational history


Three A129s in Iraq
The Italian Army received 60 A129s beginning in 1990,[1] and has been the only operator. In January 2002, AgustaWestland was awarded a contract to upgrade the first 45 A129A version to the multi-role A129 CBT standard. The first A129CBTs were delivered in October 2002. By 2007, the Italian Army had 45 A129A and 15 A129CBT helicopters.
In Italian service, the Mangusta has successfully deployed with UN missions to the Republic of Macedonia, Somalia and Angola. In Somalia, during the battle called of "Checkpoint Pasta" (because it was near an abandoned pasta factory), an A129 launched a single TOW missile which hit a vehicle carrying Somali insurgents, killing several. It equips the 5th AVES Regiment "Rigel" (based at Casarsa della Delizia, Friuli) and the 7º AVES Rgt. "Vega" (based in Rimini), part of the Aero-mobile Brigade "Friuli". Three helicopters were deployed in Iraq before the Italian expedition's withdrawal. Twelve Mangustas are currently deployed in Afghanistan.

Variants


Agusta A129 Mangusta

Production models

  • A129 Mangusta: Original production version, powered by two Rolls-Royce Gem 2 turboshafts.
  • A129 International: Upgraded version with five-bladed rotor, M197 gatling gun in a customized nose turret, support for Hellfire and Stinger missiles, advanced avionics equipment and two LHTEC T800 turboshafts.
  • A129 CBT(ComBaT): Upgraded version for the Italian army that incorporates the same advances as the A129 International version, but retains the original Gem turboshaft engines (although an uprated transmission system is fitted).
  • T-129: (AgustaWestland AW129[4]) Turkish attack helicopter based on the A129CBT, that will be assembled in Turkey by TAI.

Proposed models

  • A129 LBH: A multipurpose assault helicopter version with a new cabin structure completely with space for carrying eight troops in addition to the two crew. The abbreviation LBH stands for Light Battlefield Helicopter. This version was designated A139 by Agusta.[1]
  • A129 Multi-Role Proposed version, not built.
  • A129 Scout: Proposed reconnaissance version, not built.
  • A129 Shipboard: Proposed naval version, not built.
  • Tonal: Proposed derivative for Italy, the Netherlands, Spain, and United Kingdom, with more powerful engines, a new rotor system, retractable landing gear, improved sensors, and more powerful armament. Cancelled in 1990.

Operators

 Italy
  • Italian Army received 60 A129s and has 56 in operation as of January 2010.[5]

Specifications (A129)


Line drawing for original A129 Mangusta
Data from Augusta Westland A129 Technical Data[6]
General characteristics
  • Crew: 2: pilot and weapon systems officer
  • Length: 12.28 m (40 ft 3 in)
  • Rotor diameter: 11.90 m (39 ft 1 in)
  • Height: 3.35 m (11 ft 0 in)
  • Disc area: 111.22 m² (1,197.25 ft²)
  • Empty weight: 2,530 kg (5,575 lb)
  • Max. takeoff weight: 4,600 kg (10,140 lb)
  • Powerplant: 2 × Rolls-Royce Gem 2-1004D (license built by Piaggio) turboshafts, 664 kW (890 shp) each
  • Rotor systems: 4 blades on main rotor
Performance
Armament
  • Guns:20 mm (0.787 in) M197 three-barrel gatling-type cannon (500 rounds) in a TM197B Light Turreted Gun System(only CBT version)
  • Rockets: 4 pods with
    • 38× 81 mm (3.19 in) unguided rockets or
    • 76× 70 mm (2.75 in) unguided rockets or
    • 12.7 mm machine gun-pod
  • Missiles:

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