FORCETALLY
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At a glance
Measured figures
SE 313B Alouette II · overall, blades folded
Single source9.66 m (31 ft 8 in) (overall, blades folded)[source]
Configuration
| Specification | Aérospatiale Alouette II | Bell 412 |
|---|---|---|
| Type | Light helicopter[source] | Multipurpose utility helicopter[source] |
| National origin | France[source] | United States / Canada[source] |
| Manufacturer | Sud Aviation Aérospatiale[source] | Bell Helicopter[source] |
| Status | Limited service[source] |
Bell 412EP · including rotors
56 ft 1 in (17.09 m) including rotors[source]
Empty; SE 313B Alouette II · Empty weight
Single sourceMaximum take-off; SE 313B Alouette II · Max takeoff weight
Single source895 kg (1,973 lb)[source]
1,600 kg (3,527 lb)[source]
Empty; Bell 412EP · Empty weight
Single sourceMaximum take-off; Bell 412EP · Max takeoff weight
Single sourceCruise; SE 313B Alouette II · Cruise speed
Single sourceMaximum; SE 313B Alouette II · at sea level
Single source185 km/h (115 mph, 100 kn) at sea level[source]
170 km/h (110 mph, 92 kn)[source]
Cruise; Bell 412EP · Cruise speed
Single sourceMaximum; Bell 412EP · Maximum speed
Single sourceSE 313B Alouette II · 1 × Turbomeca Artouste IIC6 turboshaft (530 shp) derated to
Single sourceSE 313B Alouette II · Powerplant
Single source1 × Turbomeca Artouste IIC6 turboshaft , 400 kW (530 shp) derated to 269 kW (360 hp)[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]
SE 313B Alouette II · Endurance
Single source4.1 hours[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Primary users | French Army French Air Force German Army Swiss Air Force (retired)[source] | Japan Ground Self Defence Force See Operators for others[source] |
|---|
| Number built | 1,300+[source] | 1,300+[source] |
|---|
| Manufactured | 1956–1975[source] | 1979–present[source] |
|---|
| Introduction date | 2 May 1957[source] | 1981 ( 1981 )[source] |
|---|
| First flight | 12 March 1955[source] | August 1979 ( 1979-08 )[source] |
|---|
| Variant | Aérospatiale SA 315B Lama[source] | Bell CH-146 Griffon[source] |
|---|
| Developed into | Aérospatiale Alouette III[source] | — |
|---|
| Capacity | 4 passengers[source] | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] |
|---|
| Fuel capacity | 580 L (150 US gal; 130 imp gal)[source] | — |
|---|
| Main rotor area | 81.7 m 2 (879 sq ft)[source] | 1,662 sq ft (154.4 m 2 )[source] |
|---|
| Developed from | — | Bell 212[source] |
|---|
| Fuselage length | — | 43 ft (13 m)[source] |
|---|
| Blade sections | — | root: Boeing VR-7; tip: Wortmann FX 71-H-080[source] |
|---|
| Power/mass | — | 0.2663 hp/lb (0.4378 kW/kg)[source] |
|---|