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]
S-92 · Length
Single sourceConfiguration
| Specification | Bell 412 | Sikorsky S-92 |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Medium-lift transport/utility helicopter[source] |
| National origin | United States / Canada[source] | United States[source] |
| Manufacturer | Bell Helicopter[source] | Sikorsky Aircraft[source] |
| Primary users | Japan Ground Self Defence Force See Operators for others[source] | CHC Helicopter Petroleum Helicopters International Bristow Helicopters Cougar Helicopters |
68 ft 6 in (20.88 m)[source]
S-92 · fuselage
Single source17 ft 3 in (5.26 m) 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]
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 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] | at least 300[source] |
|---|
| Manufactured | 1979–present[source] | 1998–present[source] |
|---|
| Introduction date | 1981 ( 1981 )[source] | 2004[source] |
|---|
| First flight | August 1979 ( 1979-08 )[source] | December 23, 1998[source] |
|---|
| Developed from | Bell 212[source] | Sikorsky S-70[source] |
|---|
| Variant | Bell CH-146 Griffon[source] | — |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | 19 passengers[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] | 2,492.3 sq ft (231.54 m 2 )[source] |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | 0.23 hp/lb (0.38 kW/kg)[source] |
|---|
| Status | — | In service[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] |
|---|
| Blade section | — | - root: Sikorsky SC2110; tip: Sikorsky SSC-A09[source] |
|---|
| Disk loading | — | 9.8 lb/sq ft (48 kg/m 2 )[source] |
|---|
Maximum take-off; S-92 · Max takeoff weight
Single source