Kamov Ka-27 | Naval anti-submarine warfare helicopter

Kamov Ka-27
Kamov Ka-27

Militarymedia.net | Development of the Ka-27 family began in 1969. The type made its first flight in 1973. The Ka-27 retains the well-proven Kamov counter-rotating coaxial rotor configuration and similar dimensions to the previous Ka-25. Kamov is the only company that has mass-produced coaxial helicopters. With more than double the power of the Hormone Ka-25, the Ka-27 is a much heavier helicopter with a larger fuselage, but still offers increased performance with much improved avionics and a more modern flight control system.

This helicopter does not have a tail rotor. Instead it uses two rotors that rotate in opposite directions to provide directional stability during flight. Furthermore the Ka-27 uses a much shorter rotor blade. All these features make it possible to reduce the footprint on the ship. The Ka-27 is extremely stable and easy to fly, and automatic altitude hold, automatic transition to and from hover and autohover is possible in all weather conditions.

The first production variant was the Ka-27PL (Western designation Helix-A). This is the basic version of Anti-Submarine Warfare (ASW), which entered service in 1982. The fuselage of the Ka-27PL is sealed on the underside for buoyancy, while additional flotation equipment can be mounted in a box at the bottom of the mid fuselage. . The Ka-27PL has all the usual ASW and other equipment including sonar and sonobuoy as well as an Osminog (octopus) search radar. It could carry tracking torpedoes, anti-ship missiles, or anti-submarine bombs. These helicopters usually operate in pairs.

The main Search and Rescue (SAR) and planetguard variant of the Ka-27 is the radar-equipped Ka-27PS (Helix-D). These typically carry external fuel tanks and flotation equipment, and have a hydraulically operated 300 kg rescue winch. This is intended to save victims from shipwrecks. These helicopters are also used for utility operations.

The Ka-27 series helicopter is operated by a crew of 3, including the pilot, technical coordinator, ASW system operator (Ka-27PL), or winch operator (Ka-27PS).

A total of 296 Ka-27 helicopters and their variants were built. Production is discontinued, but can be resumed if needed. Currently the Russian Navy operates about 90 Ka-27 helicopters of all variants. It is also used by the Ukrainian Navy, and a number of other countries, including Algeria, China, India, North and South Korea, Vietnam. This helicopter has served on various warships.

Currently a new Ka-65 naval helicopter is being developed in Russia. The first prototype images appeared in 2019.

Kamov Ka-27
Kamov Ka-27

Kamov Ka-27 Variant

  • The Ka-27PL (Helix-A) is a basic anti-submarine warfare helicopter.
  • The Ka-27PS (Helix-D) is a search and rescue helicopter.
  • Ka-27M is a hotfix version. It is being tested and evaluated by the Russian Navy. This helicopter has got a new radar and several other improvements.
  • The Ka-28 (Helix-A) is the export version of the Ka-27PL ordered by China, India, Vietnam and Yugoslavia. This version has a revised avionics suite.
  • The Ka-29 (Helix-B) is a naval assault transport helicopter. This helicopter is intended specifically to support the Russian Navy's amphibious operations and features a substantially changed airframe. The type entered service in 1985. About 59 of these helicopters were produced. It is in service with Russia and Ukraine.
  • The Ka-31 is an airborne early warning helicopter, based on the basic Ka-29. Its main mission is remote detection of air and sea threats.
  • The Ka-32 (Helix-C) is a simplified civilian version. It is used in Russia and has been exported to a number of countries. It is even used by some Western countries.
  • The Ka-32K is a civilian flying crane.
  • The Ka-32S is a special version, designed to operate from an ice pick. It can be used for ice patrol, search and rescue, oil rig support, and other tasks. This version is equipped with radar.
  • The Ka-32T is a civilian transport helicopter. It has no radar and has simplified avionics. Can carry passengers or goods. It has a payload capacity of 4,000 kg internally or 5,000 kg externally
Kamov Ka-27
Kamov Ka-27

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