Prototype for the Mil Mi-12.  Developed in 1967, the V-12 (NATO Designation: 'Homer') was known as the largest helicopter in the world, but did not enter production.  Cabin capacity is 25000 kg payload (40000 in a record flight) or 196 passengers in addition to the 6 crew.  The aircraft has a 2 level nose section with the pilots sitting above the loadmaster's compartment.


Data on design, manufacture and status

Design authority: MVZ Mil

Primary manufacturer: MVZ Mil

Parent type: No type defined

Aircraft status: No longer flying


Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Tandem (Lateral) (x2)

Crew required: 5-6

Crew seating: Side-by-side

Landing gear: Wheels (non-retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height:  
Overall Length:  
Overall Width: 35.00 m 114.8 ft
Airframe Dimensions
Airframe Length:  
Airframe Width:  
Airframe Height:  
Landing Gear Dimensions
Landing Gear Base:  
Landing Gear Track:  
Cabin Dimensions
Cabin Internal Height:  
Cabin Internal Length:  
Cabin Internal Width:  

Weights and Performance

Data on aircraft weight and flight characteristics

Ferry Range: 1000 km

Max Gross Weight (ground): 105,000 kg 231,485 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 105,000 kg 231,485 lb
Empty Weight: 69,100 kg 152,339 lb
Useful Load: 35,900 kg 79,146 lb
Empty Weight Fraction: 0.658
Climb Performance
Max Rate of Climb:  
Hover Performance
Hover Ceiling IGE: 600 m 1,969 ft
Hover Ceiling OGE: 10 m 33 ft
Max Level Flight Speed: 260 km/h 140 kts
Never Exceed Speed:  
Service Ceiling: 3,500 m 11,483 ft
Range and Endurance
Max Range: 500 km 270 nm
Max Endurance:  

Engine Details

Aircraft powerplant (lift and/or propulsion)

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

Number of engines: 4
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: 35.00 m 114.83 ft
Direction of Rotation: Counter-rotating
Hub Type:
Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:  
Blade Tip Geometry: Conventional
Blade Twist:  
Number of Blades: 5
Main Rotor Derived Characteristics
Disc Area: 962.11 m² 10356.5 ft²
Disc Loading: 54.57 kg/m² 11.176 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
Configuration: Unknown
Direction of Rotation: Unknown
Tail Rotor Blade Characteristics
Number of Blades:  
Blade Construction: N/A
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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Related Public Resources

Resources related to the V-12 , provided by public sources across the internet.