Japan Airlines provides airline services in Japan and internationally. The company offers scheduled and non-scheduled air transportation services, and aerial work services. It operates a fleet of 174 owned and 48 leased aircraft. Its main hubs are Tokyo's Narita International Airport and Tokyo International Airport as well as Osaka's Kansai International Airport and Osaka International Airport. The company was founded in 1951 and is headquartered in Shinagawa-ku, Japan. In 2002, the airline merged with Japan Air System.