The U.S. aircraft register, updated daily
Accidents · NTSB ENG11WA006 · Preliminary: the investigation is not finished

Boeing 777 incident near Lisbon, Portugal, Pt, December 6, 2010

On December 6, 2010, a Boeing 777, registered D2TEF, was involved in an incident near Lisbon, Portugal (Lisbon International airport). It was flown under non-U.S. commercial rules. No one was hurt; 137 people were on board or involved.

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
December 6, 2010
Place
Lisbon, Portugal, Portugal · Lisbon International
Type
Incident
Injuries
No one was hurt; 137 people were on board or involved.
Weather
not recorded
Aircraft
Boeing 777 2M2ER · all 777s on the register
Registration
D2TEF · no longer on the register · serial 34567
Damage
Not recorded
Flight
Flight · non-U.S. commercial rules

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

On December 6, 2010, at 11:15 local time, an Angola Airlines (TAAG)Boeing 777-2M2ER, powered by two General Electric GE90-94B Turbofan engines experienced a No. 2 (right) engine low pressure turbine failure after takeoff from the Lisbon International Airport (LPPT), Portugal. Turbine blades were reported to have been expelled out the back of the engine over a populated area. The flight crew performed an air turn back and the airplane made a successful landing with no reported injuries. The airplane was on a flight from Lisbon to Luanda International Airport (FNLU), Angola. The investigation is under the jurisdiction of the government of Portugal. Further information pertaining to this incident may be obtained from: Gabinete de Prevençao e Investigação de Acidentes com Aeronaves (GPIAA) Praça Duque de Saldanha, n.˚ 31, 4˚ 1050-094 Lisboa Portugal Tel.: (351) 21 273-9230 (general) (351) 21273-9245 (director) E-mail: geral@gpiaa.gov.pt Fax: (351) 21 273-9260 AFTN: LPPTYLYX Website: www.gpiaa.gov.pt This report is for informational purposes only and contains only information obtained for, or released by, the Government of Portugal.

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
  • Engine: General Electric GE90-94B (turbofan); 0 hours total
  • Operator: Angola Airlines

The flight

  • Departed from: LPPT Lisbon
  • Destination: FNLU Luanda
  • Flight plan: IFR
  • A second pilot was aboard

Weather at the time

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

Injuries

FatalSeriousMinorNone
Cabi10
Flight crew2
Passengers125

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.