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At a glance
Measured figures
Bell 412EP · including rotors
Single source56 ft 1 in (17.09 m) including rotors[source]
QH-50C · Length
Single sourceConfiguration
| Specification | Bell 412 | Gyrodyne QH-50 DASH |
|---|---|---|
| Crew | one-two pilots[source] | none[source] |
| Type | Multipurpose utility helicopter[source] | ASW drone[source] |
| National origin | United States / Canada[source] | United States[source] |
| Manufacturer | Bell Helicopter[source] | Gyrodyne Company of America |
12 ft 11 in (3.94 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]
QH-50C · 1 × Boeing T50-BO-8A turboshaft , 300 shp (
Single source1 × Boeing T50-BO-8A turboshaft , 300 shp (220 kW)[source]
QH-50C · Endurance
Single source1 hr[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Primary users | Japan Ground Self Defence Force See Operators for others[source] | United States Navy United States Army Japanese Maritime Self-Defense Force[source] |
|---|
| Number built | 1,300+[source] | 755[source] |
|---|
| Manufactured | 1979–present[source] | 1962–1969[source] |
|---|
| Introduction date | 1981 ( 1981 )[source] | 1963[source] |
|---|
| First flight | August 1979 ( 1979-08 )[source] | 1959[source] |
|---|
| Developed from | Bell 212[source] | Gyrodyne RON Rotorcycle[source] |
|---|
| Variant | Bell CH-146 Griffon[source] | — |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[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] | — |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
|---|
| Status | — | In service as target tug[source] |
|---|
| Fuel capacity | — | 35 US gal (29 imp gal; 130 L)[source] |
|---|
| Bombs | — | 2× Mark 44 torpedoes or 1× Mark 46 torpedo[source] |
|---|