Overview

Data on design, manufacture and status

Design authority: Sikorsky Aircraft Corp.

Primary manufacturer: Sikorsky Aircraft Corp.

Parent type: Sikorsky S-76

Aircraft status: Operational

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: 4.42 m 14.5 ft
Overall Length: 16.00 m 52.5 ft
Overall Width: 5.18 m 17.0 ft
Airframe Dimensions
Airframe Length: 13.22 m 43.4 ft
Airframe Width: 2.13 m 7.0 ft
Airframe Height:  
Landing Gear Dimensions
Landing Gear Base: 5.00 m 16.4 ft
Landing Gear Track: 2.44 m 8.0 ft
Cabin Dimensions
Cabin Internal Height: 1.35 m 4.4 ft
Cabin Internal Length: 2.41 m 7.9 ft
Cabin Internal Width: 1.93 m 6.3 ft

Weights and Performance

Data on aircraft weight and flight characteristics

Weights
Max Gross Weight (ground): 5,306 kg 11,698 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 5,306 kg 11,698 lb
Empty Weight: 3,177 kg 7,004 lb
Useful Load: 2,129 kg 4,694 lb
Empty Weight Fraction: 0.599
Climb Performance
Max Rate of Climb:  
Hover Performance
Hover Ceiling IGE: 2,149 m 7,051 ft
Hover Ceiling OGE: 1,006 m 3,301 ft
Limitations
Max Level Flight Speed:  
Never Exceed Speed: 287 km/h 155 kts
Service Ceiling: 1,493 m 4,898 ft
Range and Endurance
Max Range:  
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: Turbomeca Arriel 2S2 turbine
Manufacturer: Turbomeca
Normal Ratings
Max continuous: 621 kW 832 hp
Take-off / rated: 688 kW 922 hp
Intermediate:  
Maximum:  
OEI Ratings
OEI contingency: 699 kW 937 hp
OEI continuous: 669 kW 897 hp
OEI 30-second: 770 kW 1032 hp
OEI intermediate:  

Primary Lift Device

Data on primary lift devices such as main rotors

Main Rotor Characteristics
Diameter: 13.41 m 44.00 ft
RPM:  
Direction of Rotation: Unknown
Hub Type: Articulated main rotor
Main Rotor Blade Characteristics
Blade Construction: One-piece aluminum hub and elastomeric bearings, titanium spars, fiberglass skins, honeycomb cores and high-visibility paint
Blade Chord:  
Blade Tip Geometry:
Blade Twist:  
Number of Blades: 4
Main Rotor Derived Characteristics
Disc Area: 141.24 m² 1520.3 ft²
Disc Loading: 37.57 kg/m² 7.695 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: 2.44 m 8.01 ft
Configuration: Unknown
Direction of Rotation: Unknown
RPM:  
Tail Rotor Blade Characteristics
Number of Blades: 4
Blade Construction: Flexbeam tail rotor
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 4.68 m² 50.3 ft²
Solidity:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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