Designed as a replacement for the Alouettes, the Ecureuil/Squirrel family, which includes the AS.355 twin engine variant listed separately, was a great success. As of 2011 some 5,000 aircraft were delivered in 98 countries for some 1,600 operators accumulating a total 21 million flight hours.
The AS350 variants are marketed in North America as the
AStar and in South America as
Esquilo. Military variants are known as
Fennec.
From 1992 produced by
Eurocopter and from 2014 by
Airbus Helicopters
| Model | Year | History |
| AS350C AStar | 1974 | Powered by a Lycoming LTS101 and marketed only in USA
|
| AS350B Ecureuil | 1975 | Powered by Turbomeca Arriel 1B and marketed worldlwide
|
| AS350D Astar | 1978 | Replaced the AS.350C with a more powerful Lycoming engine 
|
 AS355 ecureuil 2 | 1979 | Twin engine variant of the AS350. The AS355 Twin Squirrel variants were marketed in North America as the TwinStar.
From 1992 produced by Euroc ...
|
| HB350B Esquilo | 1980 | AS350B Ecureuil assembled in Brazil
by Helibras
|
| AS350B1 Ecureuil | 1986 | Powered by Turbomeca Arriel 1D
|
| AS550C2 Fennec | 1988 | Military version
|
| AS350B2 Ecureuil | 1989 | Powered by Turbomeca Arriel 1D1. Higher gross weight version with an aerodynamic strake fitted to tail boom along the starboard side and angled e ...
|
| AS350Z | 1989 | Also known as AS.351, was a prototype using a Fenestron tail rotor. Powered by a Turbomeca TM333 of 750 shp. Led to the EC120 / EC130 years late ...
|
| AS350BA Ecureuil | 1990 | Powered by a Arriel 1B engine and fitted with wider chord AS355 main rotor blades and tail rotor servo. Post 1992 airframes listed under Eurocopt ...
|
| EC AS350 Ecureuil | 1992 | Aircraft built between 1992 and 2013 listed here.
For 2014 airframes see Airbus Helicopters
|
| Soloy AS350B2-SD2 | 2006 | The Soloy AS350 “SD2” (Super D) is a conversion of the AS350B2 to be powered by a Honeywell LTS101-700D-2 engine replacing the factory Turbom ...
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