The aircraft was originally designated EC155 B1 before Airbus Helicopters revised their aircraft designation system.


Data on design, manufacture and status

Design authority: Airbus Helicopters

Primary manufacturer: Airbus Helicopters

Parent type: Airbus Helicopters H155/EC155/AS365/SA.365

Aircraft status: Operational


Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Fenestron/Shrouded tail rotor

Crew required: 1

Crew seating: Side-by-side

Landing gear: Wheels (all retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height: 4.35 m 14.3 ft
Overall Length: 14.30 m 46.9 ft
Overall Width: 12.60 m 41.3 ft
Airframe Dimensions
Airframe Length: 12.71 m 41.7 ft
Airframe Width: 1.90 m 6.2 ft
Airframe Height: 3.64 m 11.9 ft
Landing Gear Dimensions
Landing Gear Base:  
Landing Gear Track:  
Cabin Dimensions
Cabin Internal Height: 1.34 m 4.4 ft
Cabin Internal Length: 2.55 m 8.4 ft
Cabin Internal Width: 1.88 m 6.2 ft

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground): 4,920 kg 10,847 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 4,920 kg 10,847 lb
Empty Weight: 2,919 kg 6,435 lb
Useful Load: 2,001 kg 4,411 lb
Empty Weight Fraction: 0.593
Climb Performance
Max Rate of Climb: 6 m/s 1,161 fpm
Hover Performance
Hover Ceiling IGE: 2,145 m 7,037 ft
Hover Ceiling OGE:  
Max Level Flight Speed: 266 km/h 144 kts
Never Exceed Speed: 324 km/h 175 kts
Service Ceiling: 4,572 m 15,000 ft
Range and Endurance
Max Range: 784 km 423 nm
Max Endurance: 4 hrs 4 hrs

Engine Details

Aircraft powerplant (lift and/or propulsion)

Provided powerplant data is for uninstalled, sea level, static operations.

Number of engines: 2
Designation: Turbomeca Arriel 2C2 turbine
Manufacturer: Turbomeca
Normal Ratings
Max continuous: 636 kW 853 hp
Take-off / rated: 704 kW 944 hp
OEI Ratings
OEI contingency: 713 kW 956 hp
OEI continuous: 686 kW 920 hp
OEI 30-second: 713 kW 956 hp
OEI intermediate:  

Primary Lift Device

Data on primary lift devices such as main rotors

Main Rotor Characteristics
Diameter: 12.60 m 41.34 ft
Direction of Rotation: Clockwise
Hub Type:
Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:  
Blade Tip Geometry:
Blade Twist:  
Number of Blades: 5
Main Rotor Derived Characteristics
Disc Area: 124.69 m² 1342.2 ft²
Disc Loading: 39.46 kg/m² 8.082 lb/ft²
Main Rotor Blade Derived Characteristics
Blade area per blade:  
Tip Speed:  

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Configuration: Unknown
Direction of Rotation: Unknown
Tail Rotor Blade Characteristics
Number of Blades:  
Blade Construction: N/A
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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