Japan Transocean Air

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Japan Transocean Air
JTA logo 2011.svg
IATA ICAO Callsign
Founded June 20, 1967
(as Southwest Air Lines)
Hubs Naha Airport
Focus cities New Ishigaki Airport
Alliance Oneworld (affiliate)
Fleet size 14
Destinations 15
Parent company Japan Transocean Air Co., Ltd.
Headquarters Naha, Okinawa Prefecture, Japan
Key people Takeshi Ichinosawa (Chairman/President)
Employees 739 (31 March, 2017)[1]
Website www.jal.co.jp/jta
Japan Transocean Air headquarters

Japan Transocean Air Co., Ltd. (日本トランスオーシャン航空株式会社, Nippon Toransuōshan Kōkū Kabushiki-gaisha), or JTA, is an airline based in Naha, Okinawa Prefecture, Japan.[2] It operates domestic services on behalf of Japan Airlines. Its main base is Naha Airport.[3] From 1967 until 1993, the airline was known as Southwest Air Lines.


A Southwest Air Lines Boeing 737-200.
A JTA Boeing 737-400 in former Southwest Air Lines livery at Chūbu Centrair International Airport, Nagoya, Japan. (2013)

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%)[3]

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.

Corporate affairs[edit]

At one time the head office of Southwest Air Lines was at 306-1 Kagamizu in Naha.[4]


A Japan Transocean Air Boeing 737-400.
A Japan Transocean Air Boeing 737-400 in a special livery.


Country City Airport Notes Refs
Japan Fukuoka Fukuoka Airport
Japan Ishigaki New Ishigaki Airport Focus city
Japan Kagoshima Kagoshima Airport
Japan Kōchi Kōchi Ryōma Airport
Japan Komatsu Komatsu Airport
Japan Kumejima Kumejima Airport
Japan Matsuyama Matsuyama Airport
Japan Miyakojima Miyako Airport
Japan Miyakojima Shimojishima Airport Terminated [6]
Japan Naha Naha Airport Hub
Japan Okayama Okayama Airport
Japan Osaka Kansai International Airport
Japan Osaka Osaka International Airport
Japan Tokyo Haneda International Airport
Japan Yonaguni Yonaguni Airport


Current Fleet[edit]

Japan Transocean Air Boeing 737-429

The Japan Transocean Air fleet consists of the following aircraft (as of August 2017):[7]

Japan Transocean Air fleet
Aircraft In Fleet Orders Passengers
Boeing 737-400 10 0 156 To be retired by 2018
To be replaced by Boeing 737-800. [8]
Boeing 737-800 4 8[9] 165[10] Order with 10 options
Delivery until 2018.[8]
Total 14 8

Former Fleet[edit]

Accidents and incidents[edit]

Since the airlines foundation there has only been one accident and that was under the former Southwest Air Lines brand.


  1. ^ "日本トランスオーシャン航空 会社情報". Retrieved 21 July 2016. 
  2. ^ "Company Profile" (Japanese). Japan Transocean Air. Retrieved on May 19, 2009.
  3. ^ a b "Directory: World Airlines". Flight International. 2007-04-03. p. 97. 
  4. ^ "World Airline Directory." Flight International. 10 April 1976. p. 958. "Head Office: 306-1 Kagamizu, Naha, Okinawa, Ryukyu Islands, Japan."
  5. ^ "Route Network," Japan Transocean Air
  6. ^ a b "Shimojijima Airport," Okinawa Prefecture
  7. ^ "Global Airline Guide 2017 (Part One)". Airliner World (October 2017): 18. 
  8. ^ a b "Boeing: Japan Airlines Group". Retrieved 21 July 2016. 
  9. ^ "Japan Transocean finalizes order for 12 737-800s". The Boeing Company. 
  10. ^ Source: company website http://www.churashima.net/jta/company/fleet.html
  11. ^ "[1]," Airliners.net
  12. ^ "[2]," Airliners.net
  13. ^ Ranter, Harro. "ASN Aircraft accident Boeing 737-2Q3 JA8444 Ishigaki Airport (ISG)". Retrieved 21 July 2016. 

External links[edit]