Credit
Sardaka · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
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At a glance
Measured figures
Bell 412EP · including rotors
Single source56 ft 1 in (17.09 m) including rotors[source]
EC635 P2 · Length
Single sourceConfiguration
| Specification | Bell 412 | Eurocopter EC635 |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Light utility military helicopter[source] |
| National origin | United States / Canada[source] | Multinational[source] |
| Manufacturer | Bell Helicopter[source] | Eurocopter Airbus Helicopters[source] |
| Primary users | Japan Ground Self Defence Force See Operators for others[source] | Swiss Air Force Iraqi Air Force |
10.21 m (33 ft 6 in)[source]
Bell 412EP · 1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (
Single source1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (930 kW)[source]
EC635 P2 · 2 × Pratt & Whitney Canada PW206B2 turboshaft engines each
Single source2 × Pratt & Whitney Canada PW206B2 turboshaft engines, 609 kW (817 hp) each[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Number built | 1,300+[source] | — |
|---|
| Manufactured | 1979–present[source] | 1998–present[source] |
|---|
| Introduction date | 1981 ( 1981 )[source] | May 1998[source] |
|---|
| First flight | August 1979 ( 1979-08 )[source] | — |
|---|
| Developed from | Bell 212[source] | Eurocopter EC135[source] |
|---|
| Variant | Bell CH-146 Griffon[source] | — |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | up to 8 troops or 1,443 kg (3,181 lb) payload[source] |
|---|
| Fuselage length | 43 ft (13 m)[source] | — |
|---|
| Blade sections | root: Boeing VR-7; tip: Wortmann FX 71-H-080[source] | — |
|---|
| Main rotor area | 1,662 sq ft (154.4 m 2 )[source] | 81.7 m 2 (879 sq ft)[source] |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
|---|
| Status | — | In Production, Active service[source] |
|---|
| Never exceed speed | — | 278 km/h (173 mph, 150 kn)[source] |
|---|