Development of the Russian-made Ka-27 (NATO Designation: 'Helix') antisubmarine helicopter began in 1970; series production began in 1977. The helicopter entered service in 1981. Equipped with: radar and sonar for submarine detection; a heated torpedo bay for operation in cold termperatures; flotation bags for water landings.
First flight of the Ka-27 was in 1973.
VTOL type: Helicopter
Lift devices: 2 in Coaxial configuration
Crew required: 1-3 in Side-by-side arrangement
Landing gear: Wheels (non-retractable)