Credit
SSGT Arnold W. Kalmanson · Public domain · Resized · Public domain · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
500M · rotors running
Single source30 ft 9.5 in (9.385 m) rotors running[source]
Configuration
| Specification | McDonnell Douglas MD 500 Defender | Sikorsky S-92 |
|---|---|---|
| Type | Light multi-role military helicopter[source] | Medium-lift transport/utility helicopter[source] |
| National origin | United States[source] | United States[source] |
| Manufacturer | Hughes Helicopters McDonnell Douglas Helicopter Systems MD Helicopters[source] | Sikorsky Aircraft[source] |
| Status | In service[source] |
S-92 · Length
68 ft 6 in (20.88 m)[source]
S-92 · fuselage
Single source17 ft 3 in (5.26 m) fuselage[source]
Cruise; 500M · at sea level
Single sourceMaximum; 500M · at 1,000 ft (300 m)
Single source132 kn (152 mph, 244 km/h) at 1,000 ft (300 m)[source]
117 kn (135 mph, 217 km/h) at sea level[source]
Cruise; S-92 · Cruise speed
Single sourceMaximum; S-92 · Maximum speed
Single source500M · 1 × Allison Model 250-C20B turboshaft engine, 420 shp (
Single source1 × Allison Model 250-C20B turboshaft engine, 420 shp (310 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]
500M · 1,700 ft/min (
Single source1,700 ft/min (8.6 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
In service[source] |
| Primary users | Republic of Korea Army Iraqi Air Force Israeli Air Force Philippine Air Force[source] | CHC Helicopter Petroleum Helicopters International Bristow Helicopters Cougar Helicopters[source] |
|---|
| Number built | 471[source] | at least 300[source] |
|---|
| Manufactured | 1976–present[source] | 1998–present[source] |
|---|
| First flight | 1976[source] | December 23, 1998[source] |
|---|
| Developed from | Hughes OH-6 Cayuse MD Helicopters MD 500[source] | Sikorsky S-70[source] |
|---|
| Hover ceiling IGE | 8,200 ft (2,500 m)[source] | — |
|---|
| Hover ceiling OGE | 5,300 ft (1,600 m)[source] | — |
|---|
| Introduction date | — | 2004[source] |
|---|
| Variants | — | Sikorsky CH-148 Cyclone Sikorsky VH-92[source] |
|---|
| Capacity | — | 19 passengers[source] |
|---|
| Cabin dimensions | — | 20 ft (6 m) long by 6.6 ft (2 m) tall[source] |
|---|
| Main rotor area | — | 2,492.3 sq ft (231.54 m 2 )[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