Produced in 1997, the Mi-171TP is a Russian passenger/convertible helicopter.  The cabin capacity is sufficient for 26 passengers in addition to the three crew.

Overview

Data on design, manufacture and status

Design authority: MVZ Mil

Primary manufacturer: MVZ Mil

Parent type: Mil Mi-8/Mi-14/Mi-17

Aircraft status: Status unknown

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 3

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: 21.30 m 69.9 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

Weights
Max Gross Weight (ground): 13,000 kg 28,660 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 13,000 kg 28,660 lb
Empty Weight: 6,985 kg 15,399 lb
Useful Load: 6,015 kg 13,261 lb
Empty Weight Fraction: 0.537
Climb Performance
Max Rate of Climb:  
Hover Performance
Hover Ceiling IGE:  
Hover Ceiling OGE: 3,980 m 13,058 ft
Limitations
Max Level Flight Speed: 250 km/h 135 kts
Never Exceed Speed:  
Service Ceiling: 6,000 m 19,685 ft
Range and Endurance
Max Range: 637 km 344 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: 2
Designation: Motor Sich TV3-117VM turbine
Manufacturer: Motor Sich
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: 21.30 m 69.88 ft
RPM:  
Direction of Rotation: Clockwise
Hub Type:
Main Rotor Blade Characteristics
Blade Construction: All-metal
Blade Chord:  
Blade Tip Geometry: Conventional
Blade Twist:  
Number of Blades: 5
Main Rotor Derived Characteristics
Disc Area: 356.33 m² 3835.6 ft²
Disc Loading: 36.48 kg/m² 7.472 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: 3.91 m 12.83 ft
Configuration: Pusher
Direction of Rotation: Top blade fwd
RPM:  
Tail Rotor Blade Characteristics
Number of Blades: 3
Blade Construction:  
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 12.01 m² 129.2 ft²
Solidity:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

Related VFS Resources

Resources related to the Mi-171TP (Mi-171), provided by the Vertical Flight Society.
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Related Public Resources

Resources related to the Mi-171TP (Mi-171), provided by public sources across the internet.

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