page_title: Coaxial rotors
section_title: List of coaxial rotor helicopters
hierarchical_section_title: Coaxial rotors / List of coaxial rotor helicopters
caption_attribution_description: English: Kamov Ka-52 Alligator (NATO reporting name: 'Hokum B') Русский: Ка-52 (Hokum B по классификации НАТО, также известен как «Аллигатор») — российский вертолёт, командирская машина армейской авиации, осуществляющая разведку местности, целеуказание и координацию действий группы боевых вертолётов.
context_page_description: Coaxial rotors or coax rotors are a pair of helicopter rotors mounted one above the other on concentric shafts, with the same axis of rotation, but turning in opposite directions. This rotor configuration is a feature of helicopters produced by the Russian Kamov helicopter design bureau.
context_section_description: Bensen B-9 (1958)
  Brantly B-1 (1946)
  Bréguet G.111 (1949)
  Bréguet-Dorand Gyroplane Laboratoire (1936)
  Chu Hummingbird (1948)
  Cierva CR Twin (1969)
  Eagle's Perch (1998)
  EDM Aerotec CoAX 2D/2R
  Gyrodyne QH-50 DASH
  Gyrodyne GCA-2 (1949)
  HTM Skytrac
  Kamov Ka-8
  Kamov Ka-10
  Kamov Ka-15
  Kamov Ka-18
  Kamov Ka-25
  Kamov Ka-26
  Kamov Ka-27
  Kamov Ka-31
  Kamov Ka-32
  Kamov Ka-50
  Kamov Ka-52
  Kamov Ka-92
  Kamov Ka-126
  Kamov Ka-137
  Kamov Ka-226
  Manzolini Libellula (1952)
  Phoenix Skyblazer (2011)
  Sikorsky S-69 (1973)
  Sikorsky X2 (2008)
  Sikorsky S-97
  Sikorsky/Boeing SB-1 Defiant
  VRT 300
  VRT 500
  Wagner Aerocar
caption: Russian Air Force Ka-52, a two-seat variant of the Ka-50.
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