No fatalities

Loss of Separation between Thai Airways A380 and Japan Airlines B777 at Suvarnabhumi Airport (HS-TUB)

TH

On April 23, 2019, an Airbus A380-800 and Boeing 777-246 (ER), and JA707J (registration HS-TUB) was involved in an aviation accident near TH. No fatalities were reported. This summary draws on records from the Aircraft Accident Investigation Committee of Thailand (AAIC); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Aircraft Accident Investigation Committee of Thailand (AAIC)Primary reportUpdated 2026-10-28Data APIEditorial standards
Aircraft registered HS-TUB
Aircraft registered HS-TUB. Photo: Jonekw13 / CC BY-SA 3.0, via Wikimedia Commons

On 23 April 2019, an Airbus A380-800 (HS-TUB) operating Thai Airways flight THA623 and a Boeing 777-246(ER) (JA707J) operating Japan Airlines flight JAL31 experienced a loss of separation at Suvarnabhumi Airport. No injuries or damage occurred.

Incident Details

On 23 April 2019 at 07:48 a.m., a serious incident involving a loss of separation between two commercial aircraft occurred at Suvarnabhumi Airport, Thailand. The aircraft involved were an Airbus A380-800, nationality and registration mark HS-TUB, operated by Thai Airways International Public Company Limited as flight THA623 from Kansai International Airport to Suvarnabhumi Airport, and a Boeing 777-246(ER), nationality and registration mark JA707J, operated by Japan Airlines Company Limited as flight JAL31 from Tokyo Haneda International Airport to Suvarnabhumi Airport. Neither aircraft sustained damage, and there were no injuries or fatalities.

Investigation Status

Following the incident, the Aircraft Accident Investigation Committee for the Aircraft Accident and Incident Investigation Commission Thailand notified the Bureau of Enquiry and Analysis for Civil Aviation Safety of the French Republic, as the state of aircraft design and manufacture, as well as the International Civil Aviation Organization. The investigation is ongoing, and a final report will be published along with the cause of the serious incident. The committee will recommend preventive measures to domestic and international aviation authorities. If any circumstances requiring immediate action are discovered during the investigation, necessary measures will be taken to ensure flight safety.

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Frequently asked questions

What happened in the 23 Apr 2019 Airbus A380-800 and Boeing 777-246 (ER), and JA707J accident near TH?

On 23 April 2019, an Airbus A380-800 (HS-TUB) operating Thai Airways flight THA623 and a Boeing 777-246(ER) (JA707J) operating Japan Airlines flight JAL31 experienced a loss of separation at Suvarnabhumi Airport. No injuries or damage occurred.

Were there any fatalities in the 23 Apr 2019 Airbus A380-800 and Boeing 777-246 (ER), and JA707J accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 23 Apr 2019 involved an Airbus A380-800 and Boeing 777-246 (ER), and JA707J, registration HS-TUB, at TH.

Investigation report by the Aircraft Accident Investigation Committee of Thailand (AAIC). Original record: https://motdrive.mot.go.th/index.php/s/yk6iFOrLEVxof6M/download. This page is a structured re-presentation; facts and quotes are in the Aircraft Accident Investigation Committee (AAIC), Ministry of Transport, Thailand.