While typically unarmed in its many roles, Alouette II platforms have been seen fitted with anti-tank wire-guided missile launchers as well as torpedoes. This broadens the usefulness of the Alouette II family in a military sense though its ordnance-carrying capabilities are inherently limited by the helicopter's light design nature. However, the Alouette II's overall small stature and rather low-profile work for its battlefield survivability in making it a smaller target to ground-based anti-aircraft threats.
Since its inception, the Alouette II has existed in only a few notable variants including the initial SE 3130 Alouette II which was redesignated to "SA 313B Alouette II" in 1967. The SA 315B "Lama" was developed specifically for the Indian Army though completed with Alouette III-type components including engines (Artouste IIIB) and main rotor. First flight of the type was on March 17th, 1969 and some 407 of the model were produced into 1989. The HAL "Lancer" appeared with anti-armor rocket pods and heavy machine guns in 1988 developed specifically for counter-insurgency operations. The SE 3180 Alouette II became the "SA 318C Alouette II" while the "Astazou" mark fitted the Turbomeca Astazou IIA series shaft turbine of 360 shaft horsepower and an Alouette III series gearbox. The Astazou engine was actually derated from 530shp to promote improved speeds and maximum take-off weights.
All told, the Alouette II series helicopters have seen operations the world over. Operators of note have included Argentina, Belgium, Brazil, Finland, France, Germany, India, Israel, Mexico, Pakistan, Portugal, South Korea, South Africa, South Vietnam, Sweden, Switzerland, Turkey and the United Kingdom. Some operators have replaced the aging helicopter line as needed while others still swear by the types qualities and capabilities with no need to upgrade. Indian Alouette IIs have been produced locally through HAL as the "Cheetah", these being based on the SA 315B Lamas design. Similarly, production licenses were granted for local manufacture within the United States, Brazil and Sweden (as the "HKP 2 Alouette II").
The Alouette II was eventually superseded at Sud Aviation by the arrival of the larger Alouette III series appearing in 1960. Over 2,000 of that type were eventually built with production spanning from 1961 to 1985.
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