FORCETALLY
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At a glance
Measured figures
206B Jetranger II · including rotors
Single source38 ft 9.5 in (11.824 m) including rotors[source]
Chinook HC6A · Length
Configuration
| Specification | Bell 206 | Boeing Chinook (UK variants) |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Transport helicopter[source] |
| National origin | United States / Canada[source] | — |
| Manufacturer | Bell Helicopter[source] | Boeing Defense, Space & Security[source] |
| Status | In service[source] | In service[source] |
Chinook / RAF specification (variant not stated) · Length · Length
Single source206B Jetranger II · Main rotor diameter
Single source33 ft 4 in (10.16 m)[source]
206B Jetranger 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; 206B Jetranger II · at MTOW, 5,000 feet
Single sourceMaximum; 206B Jetranger II · at MTOW (sea level)
Single source122 kn (140 mph, 226 km/h) at MTOW (sea level)[source]
120 kn (140 mph, 220 km/h) at MTOW, 5,000 feet[source]
Maximum; Chinook HC6A · Maximum speed
Single sourceMaximum; Chinook / RAF specification (variant not stated) · Maximum speed · Maximum speed
Single source206B Jetranger II · at MTOW
Single source206B Jetranger II · cruise speed, no reserves
Single source337 nmi (388 mi, 624 km) at MTOW, 5,000 feet, cruise speed, no reserves[source]
Chinook HC6A · with auxiliary fuel tanks
Single source1,200 nmi (1,400 mi, 2,200 km) with auxiliary fuel tanks[source]
206B Jetranger II · 1 × Allison 250-C20 turboshaft engine
Single source1 × Allison 250-C20 turboshaft engine, 400 hp (298 kW)[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]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Number built |
|---|
7,300[source] |
72 (all RAF models)[source] |
| Manufactured | 1962–2017[source] | — |
|---|
| Introduction date | 1967[source] | 22 November 1980 (with RAF)[source] |
|---|
| First flight | December 8, 1962 (206) January 10, 1966 (206A)[source] | 23 March 1980 (HC1)[source] |
|---|
| Developed from | Bell YOH-4[source] | Boeing CH-47 Chinook[source] |
|---|
| Variants | Bell OH-58 Kiowa Bell 407[source] | HC1, HC1B, HC2, HC3, HC4, HC5, HC6, HC6A, HC7[source] |
|---|
| Developed into | Bell 400 TwinRanger[source] | — |
|---|
| Capacity | 4 passengers[source] | 55 soldiers and up to 10 tonnes of freight or equipment[source] |
|---|
| Fuselage length | 31 ft 2 in (9.50 m)[source] | — |
|---|
| Interior dimensions | 7 ft 2 in (2.18 m) length, by 4 ft 2 in (1.27 m) width, by 4 ft 3 in (1.30 m) height, plus 16 ft 3 (453 L) baggage compartment[source] | — |
|---|
| Main rotor area | 873 sq ft (81.1 m 2 )[source] | 5,655.2 sq ft (525.39 m 2 )[source] |
|---|
| Blade section | – NACA 0012 mod (11.3%)[source] | - root: Boeing VR-7; tip: Boeing VR-8[source] |
|---|
| Maximum speed at 5,000 ft | 116 kn (133 mph; 215 km/h) at MTOW[source] | — |
|---|
| Disk loading | 4 lb/sq ft (20 kg/m 2 )[source] | — |
|---|
| Power/mass | 0.09 hp/lb (0.15 kW/kg)[source] | — |
|---|
| Designer | — | Boeing-Vertol[source] |
|---|
| Primary user | — | Royal Air Force[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 |
|---|
| 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