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AEROSPATIALE AS-355 Ecureuil 2
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AS55
Aircraft | ||||||||||||||||||||
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Name | AS-355 Ecureuil 2 | |||||||||||||||||||
Manufacturer | AEROSPATIALE | |||||||||||||||||||
Wing | Rotary | |||||||||||||||||||
Position | Three-blade main rotor | |||||||||||||||||||
Tail | Two-blade tail rotor | |||||||||||||||||||
WTC | Light | |||||||||||||||||||
Type code | H2T | |||||||||||||||||||
Engine | Turboshaft | |||||||||||||||||||
Engine count | Multi | |||||||||||||||||||
Position | In fuselage | |||||||||||||||||||
Landing gear | Skids | |||||||||||||||||||
Mass group | 2 | |||||||||||||||||||
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AEROSPATIALE AS-355 Ecureuil 2
Description
The Eurocopter AS355 Ecureuil 2 (Twin Squirrel) is a twin-engine light helicopter originally manufactured by Aérospatiale (now part of Eurocopter Group). The AS355 is marketed in North America as the TwinStar.
Technical Data
Wing span | 10.69 m35.072 ft <br /> |
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Length | 12.94 m42.454 ft <br /> |
Height | 3.03 m9.941 ft <br /> |
Powerplant | 2 x Allison 250-C20F turboshaft, 313 kW (420 shp) each. |
Engine model | Allison 250 |
Performance Data
Take-Off | Initial Climb (to 5000 ft) |
Initial Climb (to FL150) |
Initial Climb (to FL240) |
MACH Climb | Cruise | Initial Descent (to FL240) |
Descent (to FL100) |
Descent (FL100 & below) |
Approach | ||||||||||
V2 (IAS) | kts | IAS | kts | IAS | kts | IAS | kts | MACH | TAS | 129 kts | MACH | IAS | kts | IAS | kts | Vapp (IAS) | kts | ||
Distance | m | ROC | ft/min | ROC | ft/min | ROC | ft/min | ROC | ft/min | MACH | ROD | ft/min | ROD | ft/min | MCS | kts | Distance | m | |
MTOW | 23002,300 kg <br />2.3 tonnes <br /> kg | Ceiling | FL130 | ROD | ft/min | APC | |||||||||||||
WTC | L | Range | 200200 nm <br />370,400 m <br />370.4 km <br />1,215,223.098 ft <br /> NM |
Accidents & Serious Incidents involving AS55
- AS55, vicinity Fairview Alberta Canada, 1999 (On 28th April 1999, an AS-355 helicopter suffered an in-flight fire attributed to an electrical fault which had originated from a prior maintenance error undetected during incomplete pre-flight inspections. The aircraft carried out an immediate landing allowing evacuation before the aircraft was destroyed by an intense fire.)