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]
W-3A · fuselage
Single sourceConfiguration
| Specification | Bell 412 | PZL W-3 Sokół |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Multipurpose utility helicopter[source] |
| National origin | United States / Canada[source] | Poland[source] |
| Manufacturer | Bell Helicopter[source] | PZL-Świdnik[source] |
| Primary users | Japan Ground Self Defence Force See Operators for others[source] | Polish Armed Forces Czech Air Force Philippine Air Force Myanmar Air Force |
14.21 m (46 ft 7 in) fuselage[source]
Bell 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]
W-3A · 2 × Pratt & Whitney Rzeszów PZL-10B turboshaft engines each
Single source2 × Pratt & Whitney Rzeszów PZL-10B turboshaft engines, 671 kW (900 hp) each[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] | 149 (as of 2011)[source] |
|---|
| Manufactured | 1979–present[source] | 1985–2015[source] |
|---|
| Introduction date | 1981 ( 1981 )[source] | 1987[source] |
|---|
| First flight | August 1979 ( 1979-08 )[source] | 16 November 1979[source] |
|---|
| Developed from | Bell 212[source] | — |
|---|
| Variant | Bell CH-146 Griffon[source] | — |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | 12 passengers or four stretcher cases and one attendant / 2,100 kg (4,630 lb) payload[source] |
|---|
| Fuselage length | 43 ft (13 m)[source] | — |
|---|
| Blade sections | root: Boeing VR-7; tip: Wortmann FX 71-H-080[source] | — |
|---|
| Main rotor area | 1,662 sq ft (154.4 m 2 )[source] | 193.6 m 2 (2,084 sq ft) with NACA 23012M blade profile[source] |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
|---|
| Status | — | In service[source] |
|---|
| Never exceed speed | — | 260 km/h (160 mph, 140 kn)[source] |
|---|