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Air ForcesRussia

Ka-27 (Helix)

Anti-submarine helicopterFielded 1982Pending verification

Also known as: Kamov Ka-27

Air ForcesRUS
Ka-27 (Helix)
Photo: Rhk111 · CC BY-SA 4.0, Wikimedia Commons
Fact cardConfidence · Source
System
TypeAnti-submarine helicopter
Alternative designationsKamov Ka-27
Date of introduction1982
ProliferationAt least 8 countries
ManufacturerKamovMed[1]
Crew1–3Med[1]
Dimensions and weight
Length11.3 m37 ftMed[1]
Wingspan5.65 m19 ftMed[1]
Height5.4 m18 ftMed[1]
Empty weight6,400 kg14,110 lbMed[1]
Flight performance
Engine2 x Isotov TV3-117KM turboshaftMed[1]
Thrust / power2,200 shaft hp eachMed[1]
Service ceiling6,000 m19,685 ftMed[1]
Protection
NBC ProtectionYesMed[1]
Armament and payload
Wing Mounted WeaponsThe Ka-27 can be equipment with 1 × torpedoes (AT-1M, VTT-1, UMGT-1 Orlan, APR-2 Yastreb) or 36 RGB-NM & RGB-NM-1 sonobuoysMed[1]
Bomb SystemAdditionally, the Ka-27 can carry 10 x PLAB 250-120 anti-submarine bombsMed[1]
ArmamentTorped 45Med[1]
Fire control
RadioVarious depending on country and missionMed[1]
Submarine Search RadarOsminog in undernose radomeMed[1]
Doppler RadarDISS-15 Doppler navigationalMed[1]
Navigation SystemNKV-252 navigation systemMed[1]
GyroscopeMGV-1V gyroscopic systemMed[1]
Radio CompassA-031 radio compassMed[1]
Flight SystemPKV-252 flight systemMed[1]
Variants
Ka-27PL (Helix-A)baseline anti-submarine warfare helicopter.[1]
Ka-27PS (Helix-D)is a search and rescue helicopter.[1]
Ka-27Ms a recent improved version. It is being tested and evaluated by the Russian Navy. This helicopter has got new radar and some other improvements.[1]
Ka-28 (Helix-A)is an export version of the Ka-27PL ordered by China, India, Vietnam and Yugoslavia. This version has a revised avionics suite.[1]
Ka-29 (Helix-B)is a naval assault transport helicopter. This helicopter is intended especially for the support of Russian Navy's amphibious operations and featuring a substantially changed airframe. The type entered service in 1985.[1]
Ka-31is an airborne early warning helicopter, based on the basic Ka-29. Its main mission is a long-range detection of airborne and naval threats.[1]
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.[1]
Ka-32Kis a civilian flying crane.[1]
Weapons and payload options · 1Confidence · Source
Torped 45lightweight torpedo intended for ASW and surface targets, providing mu
Med[1]
Quantity
3 ea
Type
lightweight torpedo intended for ASW and surface targets, providing multiple-target active/passive h
Guidance
Hydro-acoustic homing combined with wire guidance and on-board computer
Length
2,850 mm
Summary

Ka-27 (Helix) Russian Anti-Submarine Helicopter is an improved version of the Ka-25. The fuselage was redesigned to give a large increase in cabin room, with only a small increase in external dimensions.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
ChinaAlgeriaIndiaSouth KoreaRussiaSyriaUkraineVietnam
Sources
  1. Ka-27 (Helix) Russian Anti-Submarine Helicopter, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import
  • 2026-10-10 Added photo (CC BY-SA 4.0)