Credit
Sardaka · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
Bell 412EP · including rotors
Single source56 ft 1 in (17.09 m) including rotors[source]
Length
Single sourceConfiguration
| Specification | Bell 412 | HAL Dhruv |
|---|---|---|
| Crew | one-two pilots[source] | Two pilots[source] |
| Type | Multipurpose utility helicopter[source] | Utility helicopter[source] |
| National origin | United States / Canada[source] | India[source] |
| Manufacturer | Bell Helicopter[source] | Hindustan Aeronautics Limited[source] |
15.87 m (52 ft 1 in)[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]
2 × Turbomeca TM 333 -2B2 turboshaft (1,082 shp) each (Mk I and II)
Single source2 × Turbomeca TM 333 -2B2 turboshaft , 807 kW (1,082 shp) each (Mk I and II)[source]
underslung (Mk II)
Single source1,500 kg (3,300 lb) underslung (Mk II)[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] | Indian Army Indian Air Force Indian Navy See Operators[source] |
|---|
| Number built | 1,300+[source] | 400+ (January 2024)[source] |
|---|
| Manufactured | 1979–present[source] | 1992–present[source] |
|---|
| Introduction date | 1981 ( 1981 )[source] | March 2002[source] |
|---|
| First flight | August 1979 ( 1979-08 )[source] | 20 August 1992[source] |
|---|
| Developed from | Bell 212[source] | — |
|---|
| Variant | Bell CH-146 Griffon[source] | HAL Rudra[source] |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | 12 armed troops or 14 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] | 136.85 m 2 (1,473.0 sq ft)[source] |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
|---|
| Designer | — | Rotary Wing Research and Design Center[source] |
|---|
| Status | — | In service[source] |
|---|
| Developed into | — | HAL Prachand[source] |
|---|
| Fuel capacity | — | 1,055 kg (2,326 lb)[source] |
|---|
| Never exceed speed | — | 291 km/h (181 mph, 157 kn) for Mk III[source] |
|---|
| g limits | — | 3.5[source] |
|---|
| Disk loading | — | 40.19 kg/m 2 (8.23 lb/sq ft)[source] |
|---|
| Reported operators | — |
|
|---|