The AW139 was originally designed and developed jointly by Agusta and Bell Helicopters and marketed as the Agusta-Bell AB139, it was redesignated the AW139 when Bell withdrew from the project.
* "Nezavisimaya Gazeta", №241 (1812), 25 December 1998. translation==Zunanje povezave==* http://www.kamov.ru/en/production/ka60/* http://www.kamov.ru/en/production/ka62/* http://www.aviation.ru/Ka/#60