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Ka-31  
Initial Operational Capability (IOC): 2002
Maiden Flight: 1988
Total Production: ?
Also Known As: Ka-29RLD and Ka-31R
Origin: Russia
Corporations: Kamov and Russian Helicopters
Parent System: Ka-27
Initial Operational Capability (IOC): 1981
Maiden Flight: 1973
Total Production: ?
Family Members: Ka-27, Ka-27M, Ka-29, Ka-29M and Ka-32A11BC
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Description: The Kamov Ka-27 was developed to replace the Ka-25 shipborne helicopter in the Soviet Navy performing Anti-Submarine Warfare (ASW) and Search and Rescue (SAR) missions. In addition, the Ka-27 was designed to operate at night and all-weather conditions which were the main shortfalls of Ka-25 aircraft. The NATO nicknamed this aircraft as Helix. The Ka-28 is the designation assigned to export models and Ka-32 designation refers to variants intended for the civil/commercial market. The Soviet Union's Navy also developed the Ka-29 shipborne assault helicopter and the Ka-31 airborne radar helicopter based on the Ka-27 platform. The aircraft uses Kamov's characteristic twin three-blade coaxial contra-rotating rotors design making the tail rotor irrelevant and unnecessary. It is powered by two TV3-117V/VMA turboshaft engines each rated at 2,200-hp. The Ka-27 prototype first flew in 1973 and entered service in 1981.

The Ka-31 airborne early warning (AEW) aircraft is a derivative of Soviet Union's Ka-29 ship-borne assault/attack helicopter equipped with an antenna radar below its airframe. The primary function of this aircraft is early warning against incoming airborne threats, but offering lower operating costs than traditional fixed-wing AWACS aircraft such as E-3, A-50 or E-2C. The Ka-31 was originally called the Ka-29RLD and was first seen by Western intelligence in 1988. The Ka-31 airborne early warning helicopter can be employed to provide surveillance on air, sea and land, relaying target data to ship-based and ground control posts. It can detect sea surface targets at ranges of up to 250 kilometers, air targets at ranges of 200 kilometers while tracking up to 40 of them. Moreover, it can take-off and land from unpaved ways, land airfields and ship's deck. The Ka-31 entry into service was in 2002 which means that previous Ka-29RLD helicopters and their priceless radar systems were not fully operational until that date. India ordered the Ka-31 helicopter among other defense articles associated with Admiral Gorshkov aircraft carrier deal that was reported in January 2004.

A single Ka-31 helicopter can scan a 250,000 (500x500) square kilometers area in just one hour. The Ka-31 helicopter capabilities enhance ship weapon system and coastal defenses range. It is also suitable for search and rescue missions, coast guard operations, etc. Currently, Russian-made anti-ship missiles have a range in excess of 200 kilometers with target designation being limited by onboard radar and sensor systems, the external target designation data generated by the Ka-31 helicopter will enable fighting ships to use anti-ship missiles at their maximum range. Minimizing target counterattack effects. Once the Ka-31's radar has been deployed the aircraft must operate in an altitude between 1,500 and 3,500 meters for optimal performance. The wheeled landing gear is retractable allowing for the radar antenna to rotate to provide a 360-degree coverage.

Ka-31 Applications


Fighting Ships Project 11356 Project 11661 Talwar 2 Vikramaditya Vikrant

Ka-31 Specifications

Crew: 4
Main Rotor Blades: 6
Number of Engines: 2
Tracked Aerial Targets: 40
Performance
Ceiling: 5,000 meter (16,404 foot)
Max Range: 680 kilometer (367 nautical mile)
Operational Altitude: 3,500 meter
Power
Max Power at TakeOff: 4,400 hp (3,282 kW)
Speed
Climb Rate: 9.50 mps (1,863 fpm)
Top Speed at High Altitude: 220 kph (119 KTAS)
Time
Flight Endurance: 2.50 hour (0.10 day)
Weight
Max Takeoff Weight: 12,500 kilogram (27,557 pound)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Ka-31 News

There are 2 news between
20 Jan 2004 and 6 May 2015
Wednesday, May 6, 2015Russian Helicopters Delivers First Batch of Repaired Ka-31 Helicopters to India
Tuesday, January 20, 2004India Acquires Russian Admiral Gorshkov Aircraft Carrier

Operators & Related Equipment


OperatorsItems

Grand Total 142
Propulsion Systems
TV3-117VMAx2
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