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]
CH-53D · for fuselage
Configuration
| Specification | Bell 412 | Sikorsky CH-53 Sea Stallion |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Heavy-lift cargo 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] | United States Marine Corps (historical) German Air Force Israeli Air Force Mexican Air Force (historical) |
67 ft 6 in (20.57 m) for fuselage[source]
CH-53D · over stub wings
Single source28 ft 4 in (8.64 m) over stub wings[source]
CH-53D · Combat range
Single source95 nmi (109 mi, 176 km)[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]
CH-53D · 2 × General Electric T64-GE-413 turboshaft engines, 3,925 shp ( ) each
Single source2 × General Electric T64-GE-413 turboshaft engines, 3,925 shp (2,927 kW) each[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] | 1964–1978[source] |
|---|
| Introduction date | 1981 ( 1981 )[source] | 1966[source] |
|---|
| First flight | August 1979 ( 1979-08 )[source] | YCH-53: 14 October 1964[source] |
|---|
| Developed from | Bell 212[source] | — |
|---|
| Variant | Bell CH-146 Griffon[source] | HH-53 "Super Jolly Green Giant"/MH-53 Pave Low[source] |
|---|
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | 38 troops (55 in alternate configuration) or 24 stretchers / 8,000 lb (3,600 kg) payload[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] | 4,098.1 sq ft (380.73 m 2 ) 6-bladed main rotor[source] |
|---|
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
|---|
| Status | — | In service[source] |
|---|
| Retired | — | 2012 (USMC)[source] |
|---|
| Developed into | — | Sikorsky CH-53E Super Stallion Sikorsky CH-53K King Stallion[source] |
|---|
| Blade section | — | – NACA 0011 mod[source] |
|---|
| Disk loading | — | 8.95 lb/sq ft (43.7 kg/m 2 )[source] |
|---|
Maximum take-off; CH-53D · Max takeoff weight
Single source