Military Helicopters
Sikorsky HH-3F Pelican
ICAO: HH3F
Overview
The Sikorsky S-70B Seahawk is a naval derivative of the Black Hawk family. Designed for anti-submarine and surface warfare missions, it operates from ships and coastal bases. The aircraft has been widely exported.
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Specifications
Units
- Engine
- 2 × General Electric T700-GE401C
- Engine type
- Turboshaft
- Power
- 2 × 1,890 shp · 1,409 kW
- Avionics
- Rockwell Collins glass cockpit, BAE Systems
- Wing tips
- No winglets
- Seats
- 12
- Crew
- —
- Cabin width
- 5 ft 11 in · 1.80 m
- Cabin height
- 4 ft 3 in · 1.30 m
- Cabin length
- 10 ft 6 in · 3.20 m
- Exterior length
- 64 ft 10 in · 19.76 m
- Tail height
- 17 ft 0 in · 5.18 m
- Fuselage diameter
- 6 ft 11 in · 2.10 m
- Wing span
- 53 ft 8 in · 16.36 m
- Baggage volume
- —
- Gross weight
- —
- Empty weight
- —
- Max takeoff weight
- 21,900 lb · 9,950 kg
- Max landing weight
- —
- Max payload
- 6,000 lb · 2,750 kg
- Fuel capacity
- 590 gal · 2,200 L · 1,800 kg (Jet A)
- Max cruise speed
- 146 kt · 168 mph · 270 km/h
- Maximum speed
- —
- Cruise speed
- —
- Approach speed
- —
- Range
- 450 nm · 520 mi · 830 km
- Fuel burn
- 0.68 nm/gal · 0.33 km/L
- Ceiling
- 12,000 ft · 3,700 m
- Rate of climb
- 1,650 ft/min · 8 m/s
- Takeoff distance
- —
- Landing distance
- —
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Operational Context
Sikorsky S-70B Seahawk — maritime multirole helicopter
The S-70B variant emerged in the 1980s as an export version of the Seahawk series. It incorporates folding rotor blades and maritime sensors. The helicopter was optimized for shipboard deployment.
Two turboshaft engines producing approximately 1,940 shaft horsepower each power the aircraft. Cruise speed approaches 145 knots (269 km/h). Maximum takeoff weight exceeds 23,000 pounds (10,433 kg).
The S-70B has served with numerous naval forces worldwide. Its adaptability supports surveillance, anti-submarine, and search and rescue missions. Production continues in modernized forms.
Sources and references used for research and fact-checking.