The first Russian naval helicopter, designated Hormone by NATO.  Its first prototype took flight in 1961.  Its coaxial rotors can be folded for storage and transport.

Overview

Data on design, manufacture and status

Design authority: Kamov Design Bureau

Primary manufacturer: Kamov

Parent type: Kamov Ka-25

Aircraft status: Operational

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Coaxial (x2)

Crew required: 1-2

Crew seating: Side-by-side

Landing gear: Wheels (some retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height: 5.37 m 17.6 ft
Overall Length:  
Overall Width: 15.74 m 51.6 ft
Airframe Dimensions
Airframe Length: 9.75 m 32.0 ft
Airframe Width: 3.76 m 12.3 ft
Airframe Height:  
Landing Gear Dimensions
Landing Gear Base:  
Landing Gear Track:  
Cabin Dimensions
Cabin Internal Height: 1.25 m 4.1 ft
Cabin Internal Length: 3.95 m 13.0 ft
Cabin Internal Width: 1.50 m 4.9 ft

Weights and Performance

Data on aircraft weight and flight characteristics

Weights
Max Gross Weight (ground): 7,500 kg 16,535 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 7,500 kg 16,535 lb
Empty Weight: 4,765 kg 10,505 lb
Useful Load: 2,735 kg 6,030 lb
Empty Weight Fraction: 0.635
Climb Performance
Max Rate of Climb:  
Hover Performance
Hover Ceiling IGE:  
Hover Ceiling OGE:  
Limitations
Max Level Flight Speed: 209 km/h 113 kts
Never Exceed Speed:  
Service Ceiling: 3,350 m 10,991 ft
Range and Endurance
Max Range: 400 km 216 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: Glushenkov GTD-3BM turbine
Manufacturer: Glushenkov
Normal Ratings
Max continuous:  
Take-off / rated: 738 kW 989 hp
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: 15.74 m 51.64 ft
RPM:  
Direction of Rotation: Counter-rotating
Hub Type: Coaxial
Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:  
Blade Tip Geometry: Flat
Blade Twist:  
Number of Blades: 3
Main Rotor Derived Characteristics
Disc Area: 194.58 m² 2094.5 ft²
Disc Loading: 19.27 kg/m² 3.947 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:  
Configuration: Unknown
Direction of Rotation: Unknown
RPM:  
Tail Rotor Blade Characteristics
Number of Blades:  
Blade Construction: N/A
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area:  
Solidity:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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Related Public Resources

Resources related to the Ka-25 , provided by public sources across the internet.

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