Eurocopter AS350 B3

The high-performance light helicopter built for demanding environments.

Overview

Eurocopter France ICAO: AS50 1975–Present Active $2.4 million (2018)

The AS350 B3 is a high-power variant of the AS350 family optimized for altitude and temperature extremes. Introduced in the 1990s, it demonstrated strong performance in mountainous regions. The helicopter is widely used in utility and rescue missions.

Live Fleet Activity (AS50)

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Specifications

Units
Engine
1 × Turbomeca Arriel 2B
Engine type
Turboshaft
Power
847 shp · 632 kW
Avionics
Vehicle and Engine Monitoring Display with FLI
Wing tips
No winglets
Seats
6
Crew
—
Cabin width
5 ft 5 in  ·  1.65 m
Cabin height
4 ft 3 in  ·  1.30 m
Cabin length
6 ft 7 in  ·  2.00 m
Exterior length
42 ft 5 in  ·  12.94 m
Tail height
10 ft 8 in  ·  3.24 m
Fuselage diameter
6 ft 2 in  ·  1.87 m
Wing span
35 ft 1 in  ·  10.69 m
Baggage volume
20 ft³  ·  0.6 m³
Gross weight
—
Empty weight
—
Max takeoff weight
6,150 lb  ·  2,800 kg
Max landing weight
—
Max payload
3,100 lb  ·  1,400 kg
Fuel capacity
140 gal · 500 L · 400 kg (Jet A)
Max cruise speed
155 kt  ·  178 mph  ·  287 km/h
Maximum speed
—
Cruise speed
—
Approach speed
—
Range
368 nm  ·  420 mi  ·  680 km
Fuel burn
2.87 nm/gal  ·  1.40 km/L
Ceiling
23,000 ft  ·  7,000 m
Rate of climb
2,388 ft/min  ·  12 m/s
Takeoff distance
—
Landing distance
—
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Eurocopter AS350 B3 ‘ZK-ITY’

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Operational Context

Eurocopter AS350 B3 — high-performance single-engine helicopter

The AS350 B3 entered service in 1997 as an upgraded version of earlier AStar models. It incorporated improved engine power and avionics. The design emphasized lift capability in challenging conditions.

A single turboshaft engine producing approximately 847 shaft horsepower powers the helicopter. Cruise speed approaches 140 knots (259 km/h). Maximum takeoff weight exceeds 4,960 pounds (2,250 kg).

The AS350 B3 achieved record-setting high-altitude operations, including landings on Mount Everest. Its performance has made it popular for rescue and utility roles. The aircraft remains widely operated.