page_title: Japan Transocean Air
section_title: History
hierarchical_section_title: Japan Transocean Air / History
caption_attribution_description: Boeing 737/4 of Japan Airlines/Japan Transocean Air in the former clrs. of Southwest Air Lines at Nagoya Centrair - NGO,Japan,31/08/13.
context_page_description: Japan Transocean Air Co., Ltd., or JTA, is an airline based in Naha, Okinawa Prefecture, Japan. It operates domestic services on behalf of Japan Airlines. Its main base is Naha Airport. From 1967 until 1993, the airline was known as Southwest Air Lines.
context_section_description: The airline was established on 20 June 1967 as Southwest Air Lines (南西航空, Nansei Kōkū), and started operations in July 1967. It changed its name in July 1993. It has 718 employees (at March 2014) and is owned by Japan Airlines (51.1%), Naha Airport Terminal (17%), Okinawa Prefecture (12.9%) and others (19.1%) It flew Convair 240s until new capital from JAL allowed it to upgrade to NAMC YS-11s, and eventually Boeing 737s. JTA occasionally lends aircraft to JAL in the event of equipment failure. JTA also provides maintenance services for JAL Group Boeing 737-400 aircraft. JTA owns 72.9% of Ryukyu Air Commuter. At one time the head office of Southwest Air Lines was at 306-1 Kagamizu in Naha.
caption: A former JTA Boeing 737-400 in former Southwest Air Lines livery at Chūbu Centrair International Airport, Nagoya, Japan. (2013)
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