3 crew required for load lift operations


Data on design, manufacture and status

Design authority: Sikorsky Aircraft Corp.

Primary manufacturer: Erickson Incorporated

Parent type: Sikorsky S-64/H-54

Aircraft status: Operational


Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 2

Crew seating: Tandem

Landing gear: Wheels (non-retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height: 7.82 m 25.7 ft
Overall Length: 27.23 m 89.3 ft
Overall Width: 21.95 m 72.0 ft
Airframe Dimensions
Airframe Length: 21.34 m 70.0 ft
Airframe Width: 6.65 m 21.8 ft
Airframe Height: 5.84 m 19.2 ft
Landing Gear Dimensions
Landing Gear Base: 7.44 m 24.4 ft
Landing Gear Track: 6.02 m 19.8 ft
Cabin Dimensions
Cabin Internal Height:  
Cabin Internal Length:  
Cabin Internal Width:  

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground):  
Max Gross Weight (airborne): 19,051 kg 42,000 lb
Max Take-off Weight:  
Empty Weight: 8,673 kg 19,120 lb
Useful Load:  
Empty Weight Fraction:  
Climb Performance
Max Rate of Climb: 9 m/s 1,700 fpm
Hover Performance
Hover Ceiling IGE: 3,231 m 10,600 ft
Hover Ceiling OGE:  
Max Level Flight Speed: 213 km/h 115 kts
Never Exceed Speed:  
Service Ceiling: 3,962 m 13,000 ft
Range and Endurance
Max Range: 402 km 217 nm
Max Endurance:  

Engine Details

Aircraft powerplant (lift and/or propulsion)

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

Number of engines: 2
Designation: P&W JFTD12A-4A turbine
Manufacturer: Pratt & Whitney
Normal Ratings
Max continuous:  
Take-off / rated: 3357 kW 4500 hp
OEI Ratings
OEI contingency:  
OEI continuous:  
OEI 30-second:  
OEI intermediate:  

Primary Lift Device

Data on primary lift devices such as main rotors

The S-64A had the same main rotor

Main Rotor Characteristics
Diameter: 21.95 m 72.00 ft
RPM: 185.0 rpm 185.0 rpm
Direction of Rotation: Counterclockwise
Hub Type: Fully articulated
Main Rotor Blade Characteristics
Blade Construction:
Blade Chord: 0.600 m 1.97 ft
Blade Tip Geometry: Conventional
Blade Twist: -0.227 rad -13.000 deg
Number of Blades: 6
Main Rotor Derived Characteristics
Disc Area: 378.25 m² 4071.6 ft²
Disc Loading:  
Solidity: 0.1045
Main Rotor Blade Derived Characteristics
Blade area per blade: 6.59 m² 70.9 ft²
Tip Speed: 212.58 m/s 697.4 fps

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Diameter: 4.88 m 16.00 ft
Configuration: Pusher
Direction of Rotation: Top blade aft
RPM: 850 rpm 850 rpm
Tail Rotor Blade Characteristics
Number of Blades: 4
Blade Construction: steel rotor hub with aluminum rotor blades
Blade Chord: 0.390 m 1.28 ft
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 18.68 m² 201.1 ft²
Solidity: 0.2037
Tail Rotor Blade Derived Characteristics
Tip Speed: 217.05 m/s 712.1 fps
Blade Area (per blade): 0.951 m² 10.24 ft²

Related VFS Resources

Resources related to the S-64E/CH-54A Aircrane, provided by the Vertical Flight Society.
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Related Public Resources

Resources related to the S-64E/CH-54A Aircrane, provided by public sources across the internet.