Credit
Sardaka · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
FORCETALLY
Loading the evidence…
Preparing your view.
Preparing your view.
At a glance
Measured figures
Bell 412EP · including rotors
Single source56 ft 1 in (17.09 m) including rotors[source]
333 · overall
Single sourceConfiguration
| Specification | Bell 412 | Schweizer S333 |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Light utility and trainer helicopter[source]Schweizer 330 / S333 |
| National origin | United States / Canada[source] | — |
| Manufacturer | Bell Helicopter[source] | Schweizer Aircraft Corporation Sikorsky Aircraft[source]Schweizer 330 / S333 |
| Primary users | Japan Ground Self Defence Force See Operators for others[source] | Dominican Air Force Royal Saudi Land Forces |
31 ft 2 in (9.50 m) overall[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]
333 · 1 × Rolls-Royce M250-C20W turboshaft engine, 235 shp (
Single source1 × Rolls-Royce M250-C20W turboshaft engine, 235 shp (175 kW)[source]
Bell 412EP · Service ceiling
Single source20,000 ft (6,100 m)[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] | — |
|---|
| Manufactured | 1979–present[source] | 1988–present[source]Schweizer 330 / S333 |
|---|
| Introduction date | 1981 ( 1981 )[source] | 1992[source]Schweizer 330 / S333 |
|---|
| First flight | August 1979 ( 1979-08 )[source] | June 14, 1988[source]Schweizer 330 / S333 |
|---|
| Developed from | Bell 212[source] | Schweizer S300[source]Schweizer 330 / S333 |
|---|
| Variant | Bell CH-146 Griffon[source] | — |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | 1–3 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] | 594 sq ft (55.2 m 2 ) ( blade section: NACA 0015 modified )[source] |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
|---|
| Status | — | Active In production[source]Schweizer 330 / S333 |
|---|
| Developed into | — | MQ-8 Fire Scout Sikorsky S-434[source]Schweizer 330 / S333 |
|---|
Maximum take-off; 333 · Max takeoff weight
Single source