Credit
Peter Bakema modified by FOX 52 · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
EC635 P2 · Length
Single source10.21 m (33 ft 6 in)[source]
S-92 · Length
Single sourceConfiguration
| Specification | Eurocopter EC635 | Sikorsky S-92 |
|---|---|---|
| Type | Light utility military helicopter[source] | Medium-lift transport/utility helicopter[source] |
| National origin | Multinational[source] | United States[source] |
| Manufacturer | Eurocopter Airbus Helicopters[source] | Sikorsky Aircraft[source] |
| Status | In Production, Active 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]
EC635 P2 · 2 × Pratt & Whitney Canada PW206B2 turboshaft engines each
Single source2 × Pratt & Whitney Canada PW206B2 turboshaft engines, 609 kW (817 hp) 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]
EC635 P2 · 2,150 ft/min
Single source10.9 m/s (2,150 ft/min)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Primary users | Swiss Air Force Iraqi Air Force[source] | CHC Helicopter Petroleum Helicopters International Bristow Helicopters Cougar Helicopters[source] |
|---|
| Manufactured | 1998–present[source] | 1998–present[source] |
|---|
| Introduction date | May 1998[source] | 2004[source] |
|---|
| Developed from | Eurocopter EC135[source] | Sikorsky S-70[source] |
|---|
| Capacity | up to 8 troops or 1,443 kg (3,181 lb) payload[source] | 19 passengers[source] |
|---|
| Main rotor area | 81.7 m 2 (879 sq ft)[source] | 2,492.3 sq ft (231.54 m 2 )[source] |
|---|
| Never exceed speed | 278 km/h (173 mph, 150 kn)[source] | — |
|---|
| Number built | — | at least 300[source] |
|---|
| First flight | — | December 23, 1998[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] |
|---|
| Power/mass | — | 0.23 hp/lb (0.38 kW/kg)[source] |
|---|
Maximum take-off; S-92 · Max takeoff weight
Single source