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Accidents · NTSB DCA12WA006 · Preliminary: the investigation is not finished

An amateur-built aircraft incident near Bangkok, Th, October 16, 2011

On October 16, 2011 at about 11:23 am local time, a an amateur-built aircraft was involved in an incident near Bangkok. It was flown under foreign airline rules (Part 129). The NTSB record does not give the injuries.

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this incident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
October 16, 2011 · about 11:23 am local time
Place
Bangkok, Thailand
Type
Incident
Injuries
The NTSB record does not give the injuries.
Weather
not recorded
Aircraft
An amateur-built aircraft
Registration
not recorded
Damage
Not recorded
Flight
Flight · foreign airline rules (Part 129)

The NTSB's narrative preliminary · quoted from the NTSB record

On October 16, 2011, a Qantas Airlines B747-400, Australian registration VH-OJS, experienced abnormal exhaust temperatures and vibrations in the number 3 engine while climbing. The engine was shutdown and the flight returned to Bangkok. There were no injuries, and no damage to the airplane. The event is being investigated by the Australian Transport Safety Bureau (ATSB). The NTSB has designated a U.S. Accredited Representative as the state of manufacture under the provisions of ICAO Annex 13. All inquiries should be directed to the ATSB at the following: Australian Transport Safety Bureau (ATSB) P.O. Box 967, Civic Square Canberra A.C.T. 2608 Australia Website: http://www.atsb.gov.au

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

The aircraft

  • Landing gear: fixed

Weather at the time

  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.