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.
BHelicopters
Anti-submarine warfare , search and rescue , transport and utility helicopter
At a glance
Measured figures
Bell 412EP · including rotors
Single source56 ft 1 in (17.09 m) including rotors[source]
SH-3D · Length
Single sourceConfiguration
| Specification | Bell 412 | Sikorsky SH-3 Sea King |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Anti-submarine warfare , search and rescue , transport and utility helicopter[source] |
| National origin | United States / Canada[source] | United States[source] |
| Manufacturer | Bell Helicopter[source] | Sikorsky Aircraft[source] |
| Primary users | Japan Ground Self Defence Force See Operators for others[source] |
54 ft 9 in (16.69 m)[source]
SH-3D · rotors folded
Single source16 ft 4 in (4.98 m) (rotors folded)[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]
SH-3D · 2 × General Electric T58-GE-10 turboshaft engines, 1,400 shp ( ) each (total power limited to
Single sourceSH-3D · by main gearbox
Single source2 × General Electric T58-GE-10 turboshaft engines, 1,400 shp (1,044 kW) each (total power limited to 2,500 hp (1,864 kW) by main gearbox)[source]
SH-3D · Up to of weapons total
Single sourceUp to 840 lb (380 kg) of weapons total[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
United States Navy (historical) Italian Navy (historical) Brazilian Navy (historical) Argentine Naval Aviation[source] |
| Number built | 1,300+[source] | 1,300+[source] |
|---|
| Manufactured | 1979–present[source] | 1959–1970s[source] |
|---|
| Introduction date | 1981 ( 1981 )[source] | 1961[source] |
|---|
| First flight | August 1979 ( 1979-08 )[source] | 11 March 1959[source] |
|---|
| Developed from | Bell 212[source] | — |
|---|
| Variant | Bell CH-146 Griffon[source] | — |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | (S-61A transport) 26 troops, or 15 stretchers, or 12 VIP 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] | 3,019 sq ft (280.5 m 2 )[source] |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
|---|
| Status | — | In service[source] |
|---|
| Retired | — | Retired by United States Navy in 2006[source] |
|---|
| Variants | — | Sikorsky S-61L/N Sikorsky CH-124 Sea King Westland Sea King[source] |
|---|
| Developed into | — | Sikorsky S-61R Sikorsky S-67 Blackhawk[source] |
|---|
| Blade section | — | NACA 0012[source] |
|---|
Maximum take-off; SH-3D · Max takeoff weight
Single source