Production version of the CH-53K. All data is currently for the initial prototypes.

Note: This entry has been created for test purposes. It currently does not meet Vertipedia's criteria for entry into the database as the production version has not yet flown

Overview

Data on design, manufacture and status

Design authority: Sikorsky Aircraft Corp.

Primary manufacturer: Sikorsky Aircraft Corp.

Parent type: Sikorsky CH-53K

Aircraft status: In development

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 1-2

Crew seating: Side-by-side

Landing gear: Wheels (all retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height: 8.66 m 28.4 ft
Overall Length:  
Overall Width: 24.01 m 78.8 ft
Airframe Dimensions
Airframe Length: 22.29 m 73.1 ft
Airframe Width: 5.33 m 17.5 ft
Airframe Height:  
Landing Gear Dimensions
Landing Gear Base: 8.43 m 27.7 ft
Landing Gear Track: 3.91 m 12.8 ft
Cabin Dimensions
Cabin Internal Height: 2.00 m 6.6 ft
Cabin Internal Length: 9.10 m 29.9 ft
Cabin Internal Width: 2.70 m 8.9 ft

Weights and Performance

Data on aircraft weight and flight characteristics

Weights
Max Gross Weight (ground): 33,566 kg 74,000 lb
Max Gross Weight (airborne): 39,916 kg 88,000 lb
Max Take-off Weight: 33,566 kg 74,000 lb
Empty Weight:  
Useful Load:  
Empty Weight Fraction:  
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: 841 km 454 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: 3
Designation: GE T408/GE38-1B 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: 24.08 m 79.00 ft
RPM:  
Direction of Rotation: Counterclockwise
Hub Type:
Main Rotor Blade Characteristics
Blade Construction: Composite
Blade Chord: 0.900 m 2.95 ft
Blade Tip Geometry: 4th generation anhedral
Blade Twist:  
Number of Blades: 7
Main Rotor Derived Characteristics
Disc Area: 455.41 m² 4902.2 ft²
Disc Loading: 73.71 kg/m² 15.096 lb/ft²
Solidity: 0.1666
Main Rotor Blade Derived Characteristics
Blade area per blade: 10.84 m² 116.6 ft²
Tip Speed:  

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Diameter: 6.10 m 20.00 ft
Configuration: Pusher
Direction of Rotation: Top blade aft
RPM:  
Tail Rotor Blade Characteristics
Number of Blades: 4
Blade Construction:
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 29.19 m² 314.2 ft²
Solidity:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

Related VFS Resources

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Related Public Resources

Resources related to the CH-53K King Stallion, provided by public sources across the internet.

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