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At a glance
Measured figures
CH-146 Griffon · Length
Single sourceCH-146 · Length
Single sourceConfiguration
| Specification | Bell CH-146 Griffon | Boeing Chinook (UK variants) |
|---|---|---|
| Type | 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] |
56 ft 1 in (17.09 m)[source]
17.1 m[source]CH-146 Griffon
17.1 m[source]CH-146 Griffon
17.1 m[source]CH-146 Griffon
CH-146 Griffon · Rotor diameter · Rotor span
Single sourceCH-146 · Main rotor diameter
Single source46 ft 0 in (14.02 m)[source]
14 m[source]CH-146 Griffon · Rotor span
Chinook HC6A · 2 ×
Single sourceChinook / RAF specification (variant not stated) · Rotor diameter · Rotor
Single sourceCH-146 Griffon · Height
Single sourceCH-146 · Height
Single source15 ft 1 in (4.60 m)[source]
4.6 m[source]CH-146 Griffon
4.6 m[source]CH-146 Griffon
4.6 m[source]CH-146 Griffon
Chinook HC6A · Height
Single sourceChinook / RAF specification (variant not stated) · Height · Height
Single sourceGross; CH-146 Griffon · Gross weight · Maximum gross weight
Single sourceMaximum take-off; CH-146 · Max takeoff weight
Single source11,900 lb (5,398 kg)[source]
5,400 kg[source]CH-146 Griffon · Maximum gross weight
Empty; Chinook HC6A · Empty weight
Single sourceGross; Chinook HC6A · Gross weight
Single sourceCH-146 · pilot, co-pilot, and flight engineer
Single source3 (pilot, co-pilot, and flight engineer)[source]
Chinook 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; CH-146 · Cruise speed
Single sourceMaximum; CH-146 Griffon · Maximum speed
Single sourceMaximum; CH-146 · Maximum speed
Single source140 kn (160 mph, 260 km/h)[source]
118 kn (136 mph, 219 km/h)[source]
260 km/h[source]CH-146 Griffon
260 km/h[source]CH-146 Griffon
260 km/h[source]CH-146 Griffon
Maximum; Chinook HC6A · Maximum speed
Single sourceMaximum; Chinook / RAF specification (variant not stated) · Maximum speed · Maximum speed
Single sourceCH-146 Griffon · Range
Single sourceCH-146 · Range
Single source354 nmi (407 mi, 656 km)[source]
656 km[source]CH-146 Griffon
656 km[source]CH-146 Griffon
656 km[source]CH-146 Griffon
Chinook HC6A · with auxiliary fuel tanks
Single source1,200 nmi (1,400 mi, 2,200 km) with auxiliary fuel tanks[source]
CH-146 · 1 × Pratt & Whitney Canada PT6T-3D Twin-Pac coupled turboshaft engine, 1,250 shp (
Single source1 × Pratt & Whitney Canada PT6T-3D Twin-Pac coupled turboshaft engine, 1,250 shp (930 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]
Chinook HC6A · Service ceiling
Single source15,000 ft (4,600 m)[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.
| Primary user | Royal Canadian Air Force[source] | Royal Air Force[source] |
|---|
| Number built | 100 (85 in service)[source] | 72 (all RAF models)[source] |
|---|
| Manufactured | 1992–1997[source] | — |
|---|
| Introduction date | 1995[source] | 22 November 1980 (with RAF)[source] |
|---|
| First flight | 1992[source] | 23 March 1980 (HC1)[source] |
|---|
| Developed from | Bell 412[source] | Boeing CH-47 Chinook[source] |
|---|
| Capacity | 10 troops or 6 stretchers (some sources state maximum 8 passengers)[source] | 55 soldiers and up to 10 tonnes of freight or equipment[source] |
|---|
| Main rotor area | 1,662 sq ft (154.4 m 2 )[source] | 5,655.2 sq ft (525.39 m 2 )[source] |
|---|
| Blade sections | - root Boeing VR-7; tip Wortmann FX 71-H-080[source] | — |
|---|
| Designer | — | Boeing-Vertol[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 |
|---|
2 × 60 ft 0 in (18.29 m)[source]
18.29m[source]Chinook / RAF specification (variant not stated) · Rotor
Maximum take-off; Chinook HC6A · Max takeoff weight
Single source