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AS55

From SKYbrary Wiki
Aircraft
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


Manufacturered as:

AEROSPATIALE TwinStar
AEROSPATIALE AS-355 Ecureuil 2
AEROSPATIALE AS-355 TwinStar
AEROSPATIALE AS-555 Fennec
AEROSPATIALE Ecureuil 2
AEROSPATIALE Fennec (AS-555)
EUROCOPTER Ecureuil 2
EUROCOPTER TwinStar
EUROCOPTER Fennec (AS-555)
EUROCOPTER Twin Squirrel
EUROCOPTER AS-355 Ecureuil 2
EUROCOPTER AS-355 TwinStar
EUROCOPTER AS-555 Fennec
HELIBRAS VH-55 Esquilo
HELIBRAS CH-55 Esquilo
HELIBRAS UH-13 Esquilo
HELIBRAS HB-355 Esquilo
HELIBRAS Esquilo (HB-355)


AEROSPATIALE AS-355 Ecureuil 2

AEROSPATIALE AS-355 Ecureuil 2 AEROSPATIALE AS-355 Ecureuil 2 3D

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
Length 12.94 m42.454 ft
Height 3.03 m9.941 ft
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
2.3 tonnes
kg
Ceiling FL130 ROD ft/min APC
WTC L Range 200200 nm
370,400 m
370.4 km
1,215,223.098 ft
NM

Accidents & Serious Incidents involving AS55

  • AS55, vicinity Fairview Alberta Canada, 1999 (AW HF FIRE) (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.)