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BHelicopters
Anti-submarine warfare , search and rescue , transport and utility helicopter
At a glance
Measured figures
F28F · Length
Single source29 ft 3 in (8.92 m)[source]
SH-3D · Length
Single sourceConfiguration
| Specification | Enstrom F-28 | Sikorsky SH-3 Sea King |
|---|---|---|
| Type | Light helicopter[source] | Anti-submarine warfare , search and rescue , transport and utility helicopter[source] |
| Manufacturer | Enstrom Helicopter Corporation[source] | Sikorsky Aircraft[source] |
| Manufactured | 1965-present[source] | 1959–1970s[source] |
| Introduction date | 1965[source] | 1961 |
54 ft 9 in (16.69 m)[source]
SH-3D · rotors folded
Single source16 ft 4 in (4.98 m) (rotors folded)[source]
F28F · 1 × Lycoming HIO-360-F1AD four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engine
Single source1 × Lycoming HIO-360-F1AD four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engine, 225 hp (168 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]
F28F · Endurance
Single source3 hr 30 min[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.
| Variants | Enstrom TH180 Spitfire Mark I[source] | Sikorsky S-61L/N Sikorsky CH-124 Sea King Westland Sea King[source] |
|---|
| Developed into | Enstrom 480[source] | Sikorsky S-61R Sikorsky S-67 Blackhawk[source] |
|---|
| Capacity | two passengers[source] | (S-61A transport) 26 troops, or 15 stretchers, or 12 VIP passengers[source] |
|---|
| Main rotor area | 804 sq ft (74.7 m 2 ) NACA 0013.5[source] | 3,019 sq ft (280.5 m 2 )[source] |
|---|
| Country of origin | Vereinigte Staaten[source]Country of design · Entwurfsland | — |
|---|
| National origin | — | United States[source] |
|---|
| Status | — | In service[source] |
|---|
| Primary users | — | United States Navy (historical) Italian Navy (historical) Brazilian Navy (historical) Argentine Naval Aviation[source] |
|---|
| Number built | — | 1,300+[source] |
|---|
| First flight | — | 11 March 1959[source] |
|---|
| Retired | — | Retired by United States Navy in 2006[source] |
|---|
| Blade section | — | NACA 0012[source] |
|---|
Maximum take-off; SH-3D · Max takeoff weight
Single source