The AC313 is a 13-ton tri-turbine helicopter developed by AVICOPTER and a civil variant of the Changhe Z-8 (also manufactured by Harbin), derived from the Z-8F.  It was CAAC certified on 4 January, 2012 and passed by the Aircraft Evaluation Group.  The first flight of the AC313 was on March 18, 2010, with operational introduction on Dec. 5, 2013.

Its 6-blade main rotor is of composite material, mounted with a titanium flexible rotorhead. 

The cabin permits 18-27 passengers or 15 stretchers.  Maximum internal and external payloads are 5600 kg and 5000 kg, respectively.  The maximum fuel weight is 3800 kg.


Data on design, manufacture and status

Design authority: Aérospatiale, Helicopter Division

Primary manufacturer: AVICOPTER PLC

Parent type: No type defined

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: Side-by-side

Landing gear: Wheels (non-retractable)

Layout and Dimensions

Data on aircraft size

*Cabin Width: Measured externally

Overall Dimensions
Overall Height: 6.95 m 22.8 ft
Overall Length: 23.05 m 75.6 ft
Overall Width: 18.90 m 62.0 ft
Airframe Dimensions
Airframe Length:  
Airframe Width: 4.60 m 15.1 ft
Airframe Height:  
Landing Gear Dimensions
Landing Gear Base:  
Landing Gear Track:  
Cabin Dimensions
Cabin Internal Height:  
Cabin Internal Length:  
Cabin Internal Width: 2.24 m 7.3 ft

Weights and Performance

Data on aircraft weight and flight characteristics

Max Cruise Speed: 247 km/h; Max Endurance with 20 min reserve: 5.4 h; Max Range with 20 min reserve: 1070.0 km

Max Gross Weight (ground): 5,600 kg 12,346 lb
Max Gross Weight (airborne): 5,000 kg 11,023 lb
Max Take-off Weight: 13,000 kg 28,660 lb
Empty Weight:  
Useful Load:  
Empty Weight Fraction:  
Climb Performance
Max Rate of Climb: 6 m/s 1,142 fpm
Hover Performance
Hover Ceiling IGE: 3,400 m 11,155 ft
Hover Ceiling OGE: 2,000 m 6,562 ft
Max Level Flight Speed:  
Never Exceed Speed:  
Service Ceiling: 4,800 m 15,748 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.

Number of engines: 3
Designation: P&WC PT6B-67A turbine
Manufacturer: Pratt & Whitney Canada
Normal Ratings
Max continuous:  
Take-off / rated:  
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: 18.90 m 62.01 ft
Direction of Rotation: Unknown
Hub Type: Titanium flexible
Main Rotor Blade Characteristics
Blade Construction: Composite
Blade Chord:  
Blade Tip Geometry:
Blade Twist:  
Number of Blades: 6
Main Rotor Derived Characteristics
Disc Area: 280.55 m² 3019.9 ft²
Disc Loading: 19.96 kg/m² 4.088 lb/ft²
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: 4.00 m 13.12 ft
Configuration: Unknown
Direction of Rotation: Unknown
Tail Rotor Blade Characteristics
Number of Blades: 5
Blade Construction:
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 12.57 m² 135.3 ft²
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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Related Public Resources

Resources related to the AC313 , provided by public sources across the internet.