Credit
Sardaka · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
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At a glance
Measured figures
Bell 412EP · including rotors
Single source56 ft 1 in (17.09 m) including rotors[source]
CH-146 Griffon · Length
Configuration
| Specification | Bell 412 | Bell CH-146 Griffon |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Utility helicopter[source] |
| National origin | United States / Canada[source] | United States / Canada[source] |
| Manufacturer | Bell Helicopter[source] | Bell Helicopter[source] |
| Primary users | Japan Ground Self Defence Force See Operators for others[source] | — |
CH-146 · Length
Single source56 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
Empty; Bell 412EP · Empty weight
Single sourceMaximum take-off; Bell 412EP · Max takeoff weight
Single source6,789 lb (3,079 kg)[source]
11,900 lb (5,398 kg)[source]
Gross; CH-146 Griffon · Gross weight · Maximum gross weight
Single sourceMaximum take-off; CH-146 · Max takeoff weight
Single sourceBell 412EP · 1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (
Single source1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (930 kW)[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]
Bell 412EP · Service ceiling
Single source20,000 ft (6,100 m)[source]
Bell 412EP · 1,350 ft/min (
Single source1,350 ft/min (6.9 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Number built | 1,300+[source] | 100 (85 in service)[source] |
|---|
| Manufactured | 1979–present[source] | 1992–1997[source] |
|---|
| Introduction date | 1981 ( 1981 )[source] | 1995[source] |
|---|
| First flight | August 1979 ( 1979-08 )[source] | 1992[source] |
|---|
| Developed from | Bell 212[source] | Bell 412[source] |
|---|
| Variant | Bell CH-146 Griffon[source] | — |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | 10 troops or 6 stretchers (some sources state maximum 8 passengers)[source] |
|---|
| Fuselage length | 43 ft (13 m)[source] | — |
|---|
| Blade sections | root: Boeing VR-7; tip: Wortmann FX 71-H-080[source] | - root Boeing VR-7; tip Wortmann FX 71-H-080[source] |
|---|
| Main rotor area | 1,662 sq ft (154.4 m 2 )[source] | 1,662 sq ft (154.4 m 2 )[source] |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
|---|
| Status | — | In service[source] |
|---|
| Primary user | — | Royal Canadian Air Force[source] |
|---|
Maximum; CH-146 · Maximum speed
Single source