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Aeroprints.com · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified
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At a glance
Measured figures
Bell 427 · Length
Single source37 ft 6 in (11.43 m)[source]
W-3A · fuselage
Configuration
| Specification | Bell 427 | PZL W-3 Sokol |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Multipurpose utility helicopter[source] |
| National origin | United States/Canada/South Korea[source] | Poland[source] |
| Manufacturer | Bell Helicopter Samsung Aerospace Industries (later part of Korea Aerospace Industries )[source] | PZL-Świdnik[source] |
| Status | In service[source] | In service |
14.21 m (46 ft 7 in) fuselage[source]
Bell 427 · 2 × Pratt & Whitney Canada PW207D turboshaft engines, 710 shp ( ) each
Single source2 × Pratt & Whitney Canada PW207D turboshaft engines, 710 shp (530 kW) each[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.
| Manufactured | 1997–2010[source] | 1985–2015[source] |
|---|
| Introduction date | 2000[source] | 1987[source] |
|---|
| First flight | 11 December 1997[source] | 16 November 1979[source] |
|---|
| Developed from | Bell 407[source] | — |
|---|
| Developed into | Bell 429 GlobalRanger[source] | — |
|---|
| Capacity | 7 passengers / 2,960 lb (1,343 kg) internal load[source] | 12 passengers or four stretcher cases and one attendant / 2,100 kg (4,630 lb) payload[source] |
|---|
| Main rotor area | 1,075 sq ft (99.9 m 2 )[source] | 193.6 m 2 (2,084 sq ft) with NACA 23012M blade profile[source] |
|---|
| Blade section | - root: Boeing VR-7; tip: Narramore 8%[source] | — |
|---|
| Primary users | — | Polish Armed Forces Czech Air Force Philippine Air Force Myanmar Air Force[source] |
|---|
| Number built | — | 149 (as of 2011)[source] |
|---|
| Never exceed speed | — | 260 km/h (160 mph, 140 kn)[source] |
|---|
| Reported operators | — |
|---|