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Japan Transocean Air

Japan Transocean Air (JTA) is an airline based in Naha, Okinawa Prefecture, Japan.[3] It operates domestic services on behalf of Japan Airlines. Its main base is Naha Airport.[4] From 1967 until 1993, the airline was known as Southwest Air Lines.

History

The airline was established on 20 June 1967 as Southwest Air Lines (南西航空), and started operations in July 1967. It changed its name in July 1993. It had 814 employees (in March 2023) and is owned by Japan Airlines (51.1%), Naha Airport Terminal (17%), Okinawa Prefecture (12.9%) and others (19.1%)[4] 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 74.5% of Ryukyu Air Commuter. At one time the head office of Southwest Air Lines was at 306-1 Kagamizu in Naha.[5]

Destinations

As of November 2025, Japan Transocean Air flies (or has flown) to the following destinations:[6]

Codeshare agreements

Japan Transocean Air currently has a codeshare agreement with the following airlines:

Interline agreements

Japan Transocean Air also has interline agreement with the following airlines:

Fleet

Current fleet

As of November 2025, Japan Transocean Air operates the following aircraft:[10]

Former fleet

Japan Transocean Air has previously operated the following aircraft:

  • NAMC YS-11[7]
  • Boeing 737-200
  • Boeing 737-400
  • Boeing 767-200

Accidents and incidents

Since the airline's foundation, there has only been one accident which was under the former Southwest Air Lines brand.

  • On 26 August 1982, Southwest Air Lines Flight 611, a Boeing 737-2Q3, registration JA8444, overran the runway at Ishigaki Airport and was destroyed. None of the 138 passengers and crew were killed but some were injured during the emergency evacuation.[12]

External links

References

  1. JO 7340.2J Contractions - Basic with Change 1 & Change 2 Federal Aviation Administration, 3 June 2019, retrieved 8 February 2020^
  2. About JTA retrieved 16 June 2024^
  3. - Japanese address About Japan Transocean Air, retrieved 2025-11-08^
  4. Directory: World Airlines Flight International, 2007-04-03^
  5. "World Airline Directory." Flight International. 10 April 1976. p. 958. "Head Office: 306-1 Kagamizu, Naha, Okinawa, Ryukyu Islands, Japan."^
  6. "About JTA," Japan Transocean Air^
  7. "Shimojijima Airport ," Okinawa Prefecture^
  8. Interline Baggage Statement hawaiianair.custhelp.com, retrieved 2025-12-28^
  9. Emirates’ travel partners www.emirates.com, retrieved 2025-12-28^
  10. Global Airline Guide 2025 - Japan Transocean Air Airliner World, September 2025^
  11. Boeing 737-800 (738/73H) / Aircrafts [sic] and seats Japan Airlines, retrieved 18 June 2024^
  12. Harro Ranter. ASN Aircraft accident Boeing 737-2Q3 JA8444 Ishigaki Airport (ISG) retrieved 21 July 2016^