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At a glance
Measured figures
Bell 412EP · including rotors
Single source56 ft 1 in (17.09 m) including rotors[source]
Bell 427 · Length
Single sourceConfiguration
| Specification | Bell 412 | Bell 427 |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Multipurpose utility helicopter[source] |
| National origin | United States / Canada[source] | United States/Canada/South Korea[source] |
| Manufacturer | Bell Helicopter[source] | Bell Helicopter Samsung Aerospace Industries (later part of Korea Aerospace Industries )[source] |
| Primary users | Japan Ground Self Defence Force See Operators for others[source] |
37 ft 6 in (11.43 m)[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]
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]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Number built | 1,300+[source] | — |
|---|
| Manufactured | 1979–present[source] | 1997–2010[source] |
|---|
| Introduction date | 1981 ( 1981 )[source] | 2000[source] |
|---|
| First flight | August 1979 ( 1979-08 )[source] | 11 December 1997[source] |
|---|
| Developed from | Bell 212[source] | Bell 407[source] |
|---|
| Variant | Bell CH-146 Griffon[source] | — |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | 7 passengers / 2,960 lb (1,343 kg) internal load[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] | 1,075 sq ft (99.9 m 2 )[source] |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
|---|
| Status | — | In service[source] |
|---|
| Developed into | — | Bell 429 GlobalRanger[source] |
|---|
| Blade section | — | - root: Boeing VR-7; tip: Narramore 8%[source] |
|---|
| Reported operators | — |
|
|---|