Utility variant for the U.S. Marine Corps.

By the glossary definition, with a Useful Load of 12556 lb (5695 kg), the calculated Empty Weight is approximately 10180 kg.

Overview

Data on design, manufacture and status

Design authority: Sikorsky Aircraft Corp.

Primary manufacturer: Sikorsky Aircraft Corp.

Parent type: Sikorsky S-65/H-53

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 2

Crew seating: Side-by-side

Landing gear: Wheels (all retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height: 7.57 m 24.8 ft
Overall Length: 28.63 m 93.9 ft
Overall Width:  
Airframe Dimensions
Airframe Length:  
Airframe Width: 7.29 m 23.9 ft
Airframe Height:  
Landing Gear Dimensions
Landing Gear Base: 8.31 m 27.3 ft
Landing Gear Track: 3.96 m 13.0 ft
Cabin Dimensions
Cabin Internal Height:  
Cabin Internal Length:  
Cabin Internal Width:  

Weights and Performance

Data on aircraft weight and flight characteristics

Weights
Max Gross Weight (ground): 15,876 kg 35,000 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 15,876 kg 35,000 lb
Empty Weight: 10,180 kg 22,444 lb
Useful Load: 5,695 kg 12,556 lb
Empty Weight Fraction: 0.641
Climb Performance
Max Rate of Climb:  
Hover Performance
Hover Ceiling IGE:  
Hover Ceiling OGE:  
Limitations
Max Level Flight Speed: 315 km/h 170 kts
Never Exceed Speed:  
Service Ceiling:  
Range and Endurance
Max Range: 482 km 260 nm
Max Endurance:  

Engine Details

Aircraft powerplant (lift and/or propulsion)

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

Powerplant
Number of engines: 2
Designation: GE T64-GE-6/1 turbine
Manufacturer: GE Aviation
Normal Ratings
Max continuous:  
Take-off / rated:  
Intermediate:  
Maximum:  
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: 22.01 m 72.22 ft
RPM:  
Direction of Rotation: Unknown
Hub Type: Fully articulated
Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:  
Blade Tip Geometry:
Blade Twist:  
Number of Blades: 6
Main Rotor Derived Characteristics
Disc Area: 380.62 m² 4097.1 ft²
Disc Loading: 41.71 kg/m² 8.543 lb/ft²
Solidity:  
Main Rotor Blade Derived Characteristics
Blade area per blade:  
Tip Speed:  

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Diameter: 4.88 m 16.00 ft
Configuration: Unknown
Direction of Rotation: Unknown
RPM:  
Tail Rotor Blade Characteristics
Number of Blades: 4
Blade Construction:  
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 18.68 m² 201.1 ft²
Solidity:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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