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At a glance
Measured figures
S-92 · Width
Single source17 ft 2 in (5.23 m)[source]
Chinook HC6A · 2 ×
Single sourceChinook / RAF specification (variant not stated) · Rotor diameter · Rotor
Single source2 × 60 ft 0 in (18.29 m)[source]
18.29m[source]Chinook / RAF specification (variant not stated) · Rotor
S-92 · Main rotor diameter
Single source56 ft 4 in (17.17 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; S-92 · Empty weight
Single sourceGross; S-92 · Gross 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
S-92 · pilot, co-pilot, communication systems operator, crew chief
Single source4 (pilot, co-pilot, communication systems operator, crew chief)[source]
Maximum; 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
Cruise; S-92 · Cruise speed
Single sourceMaximum; S-92 · Maximum speed
Single sourceChinook 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]
S-92 · 2 × General Electric CT7-8A turboshaft engine, 2,520 shp ( ) each equivalent
Single source2 × General Electric CT7-8A turboshaft engine, 2,520 shp (1,880 kW) each equivalent[source]
Chinook HC6A · 1,980 ft/min ( )Thrust 2x 4,168shp each engine
Single source1,980 ft/min (10.1 m/s)Thrust 2x 4,168shp each engine[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Boeing Chinook (UK variants) | Sikorsky VH-92 Patriot |
|---|---|---|
| Type | Transport helicopter[source] | Medium-lift transport/utility helicopter[source] |
| Manufacturer | Boeing Defense, Space & Security[source] | Sikorsky Aircraft / Lockheed Martin[source] |
| Designer | Boeing-Vertol[source] | — |
| Status | In service[source] | Operational[source] |
| Primary user | Royal Air Force[source] | United States Marine Corps[source] |
| Number built | 72 (all RAF models)[source] | 23[source] |
| Introduction date | 22 November 1980 (with RAF)[source] | — |
| First flight | 23 March 1980 (HC1)[source] | 28 July 2017[source] |
| Developed from | Boeing CH-47 Chinook[source] | Sikorsky S-92[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] | 14 passengers[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 | — |
| Main rotor area | 5,655.2 sq ft (525.39 m 2 )[source] | 2,492.3 sq ft (231.54 m 2 )[source] |
| Blade section | - root: Boeing VR-7; tip: Boeing VR-8[source] | - root: Sikorsky SC2110; tip: Sikorsky SSC-A09[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 | — |
| National origin | — | United States[source] |
| Cabin dimensions | — | 20 ft (6 m) long by 6 ft 8 in (2 m) tall[source] |
| Disk loading | — | 9.8 lb/sq ft (48 kg/m 2 )[source] |
| Power/mass | — | 0.23 shp/lb (0.38 kW/kg)[source] |
Maximum take-off; S-92 · Max takeoff weight
Single source