Production of the Mi-4 (NATO Designation: 'Hound') helicopter began in 1952.  The cabin has a capacity to carry up to 16 passengers in addition to up to three crew members.  Maximum internal payload is 1600 kg.


Data on design, manufacture and status

Design authority: MVZ Mil

Primary manufacturer: MVZ Mil

Parent type: Mil Mi-4

Aircraft status: No longer flying


Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 1-3

Crew seating: Side-by-side

Landing gear: Wheels (non-retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height: 5.18 m 17.0 ft
Overall Length:  
Overall Width: 21.00 m 68.9 ft
Airframe Dimensions
Airframe Length: 16.80 m 55.1 ft
Airframe Width:  
Airframe Height:  
Landing Gear Dimensions
Landing Gear Base: 3.79 m 12.4 ft
Landing Gear Track:  
Cabin Dimensions
Cabin Internal Height: 1.76 m 5.8 ft
Cabin Internal Length: 4.50 m 14.8 ft
Cabin Internal Width: 1.60 m 5.2 ft

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground): 7,800 kg 17,196 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 7,800 kg 17,196 lb
Empty Weight: 4,900 kg 10,803 lb
Useful Load: 2,900 kg 6,393 lb
Empty Weight Fraction: 0.628
Climb Performance
Max Rate of Climb:  
Hover Performance
Hover Ceiling IGE: 1,200 m 3,937 ft
Hover Ceiling OGE:  
Max Level Flight Speed: 210 km/h 113 kts
Never Exceed Speed:  
Service Ceiling: 5,500 m 18,045 ft
Range and Endurance
Max Range: 465 km 251 nm
Max Endurance:  

Engine Details

Aircraft powerplant (lift and/or propulsion)

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

Number of engines: 1
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: 21.00 m 68.90 ft
Direction of Rotation: Clockwise
Hub Type:
Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:  
Blade Tip Geometry: Conventional
Blade Twist:  
Number of Blades: 4
Main Rotor Derived Characteristics
Disc Area: 346.36 m² 3728.3 ft²
Disc Loading: 22.52 kg/m² 4.612 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: 3.60 m 11.81 ft
Configuration: Pusher
Direction of Rotation: Top blade fwd
Tail Rotor Blade Characteristics
Number of Blades: 3
Blade Construction:  
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 10.18 m² 109.6 ft²
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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