FORCETALLY
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At a glance
Measured figures
Chinook HC6A · Length
Single sourceChinook / RAF specification (variant not stated) · Length · Length
Single sourceConfiguration
| Specification | Boeing Chinook (UK variants) | Sikorsky S-61R |
|---|---|---|
| Type | Transport helicopter[source] | Medium-lift transport/ Search and Rescue (SAR) helicopter[source] |
| Manufacturer | Boeing Defense, Space & Security[source] | Sikorsky Agusta[source] |
| Designer | Boeing-Vertol[source] | — |
| Status | In service[source] | In service[source] |
HH-3E · Length
Single source73 ft (22 m)[source]
Empty; Chinook HC6A · Empty weight
Single sourceGross; Chinook HC6A · Gross weight
Single sourceMaximum take-off; Chinook HC6A · Max takeoff weight
Single source22,450 lb (10,183 kg)[source]
26,680 lb (12,102 kg)[source]
50,000 lb (22,680 kg)[source]
Empty; HH-3E · Empty weight
Single sourceMaximum take-off; HH-3E · Max takeoff weight
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
HH-3E · Crew
Single sourceMaximum; Chinook HC6A · Maximum speed
Single sourceMaximum; Chinook / RAF specification (variant not stated) · Maximum speed · Maximum speed
Single source160 kn (180 mph, 300 km/h)[source]
160kt[source]Chinook / RAF specification (variant not stated) · Maximum speed
Maximum; HH-3E · Maximum speed
Single source143 kn (165 mph, 265 km/h)[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]
HH-3E · 2 × General Electric T58-GE-10 turboshaft engines, 1,400 shp ( ) each
Single source2 × General Electric T58-GE-10 turboshaft engines, 1,400 shp (1,000 kW) each[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Primary user | Royal Air Force[source] | — |
|---|
| Number built | 72 (all RAF models)[source] | — |
|---|
| Introduction date | 22 November 1980 (with RAF)[source] | 1965[source] |
|---|
| First flight | 23 March 1980 (HC1)[source] | 1963[source] |
|---|
| Developed from | Boeing CH-47 Chinook[source] | Sikorsky SH-3 Sea King[source] |
|---|
| Variants | HC1, HC1B, HC2, HC3, HC4, HC5, HC6, HC6A, HC7[source] | — |
|---|
| Capacity | 55 soldiers and up to 10 tonnes of freight or equipment[source] | 28 pax / 6,500 lb (2,948 kg) payload[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 | Door guns on some variants (For information on American equipment, see U.S. Helicopter Armament Subsystems, S-61R )[source] |
|---|
| Main rotor area | 5,655.2 sq ft (525.39 m 2 )[source] | 3,019 sq ft (280.5 m 2 ) 5-bladed main rotor; blade section NACA 0012[source] |
|---|
| 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 | États-Unis[source]Design origin explicitly attributed in article text |
|---|
| 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 | — |
|---|
| Primary users | — | United States Air Force (Historical) United States Coast Guard (Historical) Italian Air Force (Historical) Tunisian Air Force[source] |
|---|
| Manufactured | — | 1963–1970s[source] |
|---|
| Fuel capacity | — | 683 US gal (569 imp gal; 2,590 L)[source] |
|---|
| Disk loading | — | 7.3 lb/sq ft (36 kg/m 2 )[source] |
|---|