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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 | Boeing Chinook (UK variants) |
|---|---|---|
| Type | Light helicopter[source] | Transport helicopter[source] |
| National origin | France[source] | — |
| Manufacturer | Sud Aviation Aérospatiale[source] | Boeing Defense, Space & Security[source] |
| Status | Limited service[source] | In service |
Chinook HC6A · Length
Chinook / RAF specification (variant not stated) · Length · Length
Single sourceSE 313B Alouette II · Main rotor diameter
Single source10.20 m (33 ft 6 in)[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; Chinook HC6A · Empty weight
Single sourceGross; Chinook HC6A · Gross weight
Single sourceSE 313B Alouette II · Crew
Single sourceChinook HC6A · pilot, copilot, two weapon system operators/loadmasters
Single source4 (pilot, copilot, two weapon system operators/loadmasters)[source]
2 Pilots, 2 Weapon System Operators[source]Chinook / RAF specification (variant not stated) · AircrewSource text · numeric interpretation needs review
Cruise; 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]
Maximum; Chinook HC6A · Maximum speed
Single sourceMaximum; Chinook / RAF specification (variant not stated) · Maximum speed · 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]
Chinook HC6A · 2 × Honeywell T55-GA-714A turboshaft free-turbine engines, 3,750 shp ( ) each
Single source2 × Honeywell T55-GA-714A turboshaft free-turbine engines, 3,750 shp (2,800 kW) each[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] | — |
|---|
| Number built | 1,300+[source] | 72 (all RAF models)[source] |
|---|
| Manufactured | 1956–1975[source] | — |
|---|
| Introduction date | 2 May 1957[source] | 22 November 1980 (with RAF)[source] |
|---|
| First flight | 12 March 1955[source] | 23 March 1980 (HC1)[source] |
|---|
| Variant | Aérospatiale SA 315B Lama[source] | — |
|---|
| Developed into | Aérospatiale Alouette III[source] | — |
|---|
| Capacity | 4 passengers[source] | 55 soldiers and up to 10 tonnes of freight or equipment[source] |
|---|
| Fuel capacity | 580 L (150 US gal; 130 imp gal)[source] | — |
|---|
| Main rotor area | 81.7 m 2 (879 sq ft)[source] | 5,655.2 sq ft (525.39 m 2 )[source] |
|---|
| Designer | — | Boeing-Vertol[source] |
|---|
| Primary user | — | Royal Air Force[source] |
|---|
| Developed from | — | Boeing CH-47 Chinook[source] |
|---|
| Variants | — | HC1, HC1B, HC2, HC3, HC4, HC5, HC6, HC6A, HC7[source] |
|---|
| Guns | — | 2× M134 Miniguns and 1× M60 machine gun[source] 2 x M134 Miniguns, 1 x M60 Machine Gun[source]Chinook / RAF specification (variant not stated) · Guns |
|---|
| Blade section | — | - root: Boeing VR-7; tip: Boeing VR-8[source] |
|---|
| Cockpit Avionics | — | Glass cockpit with a BAE Systems Digital Advanced Flight Control System (DAFCS), includes automatic modes such as auto-hover and auto-descend to ease pilot workload.[source] |
|---|
| Sensors | — | Electro-Optical Sensor Turret (EOST) with two infrared cameras and a low-light TV function .[source] EOST turret including two infrared cameras and a low-light TV function[source]Chinook / RAF specification (variant not stated) · Electro optics |
|---|
| Defensive Aids | — | Missile Warning Receiver, Infrared Warning Receiver, Radar Warning Receiver, Counter-measure dispensing system (flares).[source] |
|---|
| Country of origin | — | United States[source]Boeing Chinook (UK variants) · origin explicitly stated in the linked current national-inventory row; no inference from operator or shipyard |
|---|
| Powerplant | — | Two Honeywell 55-L-714A Free-Turbine engines[source]Chinook / RAF specification (variant not stated) · Powerplant |
|---|
| Reported engine rating | — | 4,168shp each[source]Chinook / RAF specification (variant not stated) · ThrustSource text · numeric interpretation needs review |
|---|
| Flight altitude | — | 15,000ft[source]Chinook / RAF specification (variant not stated) · Maximum altitude |
|---|
Maximum take-off; Chinook HC6A · Max takeoff weight
Single source