The Kamov Ka-10 (NATO reporting name Hat[1] or Hattie) was a Soviet single-seat observation helicopter that first flew in 1949.

[2] The Ka-10 was of similar layout to the Ka-8, with an open steel-tube structure carrying an engine, a pilot's seat and two three-bladed coaxial rotors.

[2][4] In 1954, 12 of an improved version, the Ka-10M were built for the Maritime Border Troops.

They had a twin tail rather than the single vertical fin of the Ka-10 and modified rotors and control systems.

[2][4] Data from The Osprey Encyclopedia of Russian Aircraft 1875–1995[2]General characteristics Performance The initial version of this article was based on material from aviation.ru.