The S-62 was the world’s first true amphibious helicopter. Equipped with a flying boat hull and powered by a single gas turbine engine (CT58-110-1 (1050 shaft horsepower (SHP) derated to 670 SHP) the S-62 operates from land, water, snow, ice, mud, swamp, and tundra. (Excerpted from the Sikorsky Archives)


Data on design, manufacture and status

Design authority: Sikorsky Aircraft Corp.

Primary manufacturer: Sikorsky Aircraft Corp.

Parent type: Sikorsky S-62/HH-52

Aircraft status: No longer flying


Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 3

Crew seating: Side-by-side

Landing gear: Wheels (non-retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height: 4.88 m 16.0 ft
Overall Length: 18.97 m 62.3 ft
Overall Width: 16.15 m 53.0 ft
Airframe Dimensions
Airframe Length: 13.59 m 44.6 ft
Airframe Width: 4.57 m 15.0 ft
Airframe Height: 4.33 m 14.2 ft
Landing Gear Dimensions
Landing Gear Base:  
Landing Gear Track: 3.71 m 12.2 ft
Cabin Dimensions
Cabin Internal Height:  
Cabin Internal Length:  
Cabin Internal Width:  

Weights and Performance

Data on aircraft weight and flight characteristics

Cruise Speed: 98 mph (158 km/h)

Max Gross Weight (ground): 3,402 kg 7,500 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 3,402 kg 7,500 lb
Empty Weight: 2,536 kg 5,591 lb
Useful Load: 866 kg 1,909 lb
Empty Weight Fraction: 0.745
Climb Performance
Max Rate of Climb: 5 m/s 961 fpm
Hover Performance
Hover Ceiling IGE:  
Hover Ceiling OGE: 3,658 m 12,000 ft
Max Level Flight Speed: 177 km/h 96 kts
Never Exceed Speed:  
Service Ceiling: 4,785 m 15,700 ft
Range and Endurance
Max Range: 795 km 429 nm
Max Endurance:  

Engine Details

Aircraft powerplant (lift and/or propulsion)

Provided powerplant data is for uninstalled, sea level, static operations.

Number of engines: 1
Designation: GE T58-GE-8 (HH-52) turbine
Manufacturer: GE Aviation
Normal Ratings
Max continuous:  
Take-off / rated: 544 kW 730 hp
OEI Ratings
OEI contingency:  
OEI continuous:  
OEI 30-second:  
OEI intermediate:  

Primary Lift Device

Data on primary lift devices such as main rotors

Main Rotor Characteristics
Diameter: 16.15 m 52.99 ft
Direction of Rotation: Counterclockwise
Hub Type:
Main Rotor Blade Characteristics
Blade Construction:
Blade Chord: 0.416 m 1.37 ft
Blade Tip Geometry: taper
Blade Twist: -0.140 rad -8.000 deg
Number of Blades: 3
Main Rotor Derived Characteristics
Disc Area: 204.85 m² 2205.1 ft²
Disc Loading: 16.61 kg/m² 3.401 lb/ft²
Solidity: 0.0492
Main Rotor Blade Derived Characteristics
Blade area per blade: 3.36 m² 36.2 ft²
Tip Speed:  

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Diameter: 2.67 m 8.75 ft
Configuration: Pusher
Direction of Rotation: Top blade aft
Tail Rotor Blade Characteristics
Number of Blades: 2
Blade Construction:  
Blade Chord: 0.329 m 1.08 ft
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 5.59 m² 60.1 ft²
Solidity: 0.1571
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade): 0.439 m² 4.72 ft²

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