FORCETALLY
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At a glance
Measured figures
Bell 427 · Length
Single source37 ft 6 in (11.43 m)[source]
S-92 · Length
Single sourceConfiguration
| Specification | Bell 427 | Sikorsky S-92 |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Medium-lift transport/utility helicopter[source] |
| National origin | United States/Canada/South Korea[source] | United States[source] |
| Manufacturer | Bell Helicopter Samsung Aerospace Industries (later part of Korea Aerospace Industries )[source] | Sikorsky Aircraft[source] |
| Status | In service[source] | In service |
68 ft 6 in (20.88 m)[source]
S-92 · fuselage
Single source17 ft 3 in (5.26 m) 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]
S-92 · 2 × General Electric CT7-8A turboshaft engines, 2,520 shp ( ) each
Single source2 × General Electric CT7-8A turboshaft engines, 2,520 shp (1,880 kW) each[source]
Bell 427 · 2,000 ft/min (
Single source2,000 ft/min (10 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Manufactured | 1997–2010[source] | 1998–present[source] |
|---|
| Introduction date | 2000[source] | 2004[source] |
|---|
| First flight | 11 December 1997[source] | December 23, 1998[source] |
|---|
| Developed from | Bell 407[source] | Sikorsky S-70[source] |
|---|
| Developed into | Bell 429 GlobalRanger[source] | — |
|---|
| Capacity | 7 passengers / 2,960 lb (1,343 kg) internal load[source] | 19 passengers[source] |
|---|
| Main rotor area | 1,075 sq ft (99.9 m 2 )[source] | 2,492.3 sq ft (231.54 m 2 )[source] |
|---|
| Blade section | - root: Boeing VR-7; tip: Narramore 8%[source] | - root: Sikorsky SC2110; tip: Sikorsky SSC-A09[source] |
|---|
| Primary users | — | CHC Helicopter Petroleum Helicopters International Bristow Helicopters Cougar Helicopters[source] |
|---|
| Number built | — | at least 300[source] |
|---|
| Variants | — | Sikorsky CH-148 Cyclone Sikorsky VH-92[source] |
|---|
| Cabin dimensions | — | 20 ft (6 m) long by 6.6 ft (2 m) tall[source] |
|---|
| Disk loading | — | 9.8 lb/sq ft (48 kg/m 2 )[source] |
|---|
| Power/mass | — | 0.23 hp/lb (0.38 kW/kg)[source] |
|---|
| Reported operators |
| — |
|---|
Maximum take-off; S-92 · Max takeoff weight
Single source