Eurocopter EC155 B1

The medium twin helicopter built for offshore and passenger transport.

Add AeroCorner as a preferred source on Google
Eurocopter EC155 B1 G-HOTB – © Tony Guest

Get the Newsletter

The latest aviation news and stories sent to your inbox.

Overview

Eurocopter France 1997–Present $10.2 million

The Eurocopter EC155 B1 is a refined development of the Dauphin family. Introduced in the late 1990s, it offers improved cabin space and performance. The helicopter is widely used in offshore and executive roles.

Specifications

Units
Engine
2 × Turbomeca Arriel 2C2 turboshafts
Engine type
Turboshaft
Power
2 × 943 shp · 703 kW
Avionics
Thales Avionics, Honeywell Mark XXII Enhanced Ground Proximity Warning System, EADS Hellas
Wing tips
No winglets
Seats
13
Crew
—
Cabin width
6 ft 9 in  ·  2.05 m
Cabin height
4 ft 5 in  ·  1.34 m
Cabin length
8 ft 4 in  ·  2.55 m
Exterior length
46 ft 11 in  ·  14.30 m
Tail height
14 ft 3 in  ·  4.35 m
Fuselage diameter
6 ft 7 in  ·  2.00 m
Wing span
41 ft 4 in  ·  12.60 m
Baggage volume
88 ft³  ·  2.5 m³
Gross weight
—
Empty weight
—
Max takeoff weight
10,800 lb  ·  4,900 kg
Max landing weight
—
Max payload
5,050 lb  ·  2,300 kg
Fuel capacity
1,230 gal · 4,600 L · 3,700 kg (Jet A)
Max cruise speed
143 kt  ·  165 mph  ·  265 km/h
Maximum speed
—
Cruise speed
—
Approach speed
—
Range
532 nm  ·  610 mi  ·  990 km
Fuel burn
1.62 nm/gal  ·  0.79 km/L
Ceiling
15,000 ft  ·  4,600 m
Rate of climb
1,750 ft/min  ·  9 m/s
Takeoff distance
—
Landing distance
—
(/) tap to zoom
(/)
Eurocopter EC155 B1 Helicopter

Operational Context

Eurocopter EC155 B1 — medium twin-engine helicopter

The EC155 first flew in 1997 and entered service in 1999. It features a stretched cabin and five-blade main rotor. The design emphasizes passenger comfort and reduced vibration.

Two turboshaft engines producing approximately 935 shaft horsepower each power the helicopter. Cruise speed approaches 160 knots (296 km/h). Maximum takeoff weight exceeds 10,500 pounds (4,763 kg).

The EC155 B1 has been widely adopted for offshore transport and VIP missions. Its combination of speed and cabin space supports diverse operations. Production transitioned to Airbus Helicopters branding.