Eurocopter EC 635

The light twin helicopter built for military training and utility roles.

EC635 Swiss Air Force © CHEN PENG

Overview

Eurocopter France ICAO: EC35 1998–Present Active $15 million

The Eurocopter EC 635 is a military development of the EC135 family. Introduced in the 2000s, it supports pilot training and light transport missions. The helicopter emphasizes versatility and modern avionics.

Live Fleet Activity (EC35)

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Specifications

Units
Engine
2 × Pratt & Whitney PW206B2
Engine type
Turboshaft
Power
2 × 817 shp · 609 kW
Avionics
THALES Avionique Nouvelle glass cockpit
Wing tips
No winglets
Seats
8
Crew
—
Cabin width
4 ft 11 in  ·  1.50 m
Cabin height
4 ft 2 in  ·  1.26 m
Cabin length
13 ft 1 in  ·  4.00 m
Exterior length
40 ft 0 in  ·  12.19 m
Tail height
11 ft 11 in  ·  3.62 m
Fuselage diameter
5 ft 1 in  ·  1.56 m
Wing span
33 ft 6 in  ·  10.20 m
Baggage volume
—
Gross weight
—
Empty weight
—
Max takeoff weight
6,850 lb  ·  3,100 kg
Max landing weight
—
Max payload
3,000 lb  ·  1,350 kg
Fuel capacity
180 gal · 700 L · 500 kg (Jet A)
Max cruise speed
140 kt  ·  161 mph  ·  259 km/h
Maximum speed
—
Cruise speed
—
Approach speed
—
Range
350 nm  ·  400 mi  ·  650 km
Fuel burn
2.28 nm/gal  ·  1.12 km/L
Ceiling
19,997 ft  ·  6,100 m
Rate of climb
2,150 ft/min  ·  11 m/s
Takeoff distance
—
Landing distance
—
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Eurocopter EC635 Search and Rescue

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Operational Context

Eurocopter EC 635 — light military helicopter

The EC 635 first flew in the early 2000s and entered service shortly thereafter. It retains the compact design and Fenestron tail rotor of the EC135. The aircraft can be configured for training or light mission tasks.

Two turboshaft engines producing approximately 700 shaft horsepower each power the helicopter. Cruise speed approaches 140 knots (259 km/h). Maximum takeoff weight exceeds 6,500 pounds (2,948 kg).

The EC 635 has been adopted by several military operators. Its flexibility allows adaptation for surveillance and utility missions. The helicopter remains in service internationally.