The U.S. aircraft register, updated daily
Accidents · NTSB ENG23WA046 · Preliminary: the investigation is not finished

Boeing 747 incident near Nairobi, Ke, April 17, 2023

On April 17, 2023 at about 8:07 am local time, a 2004 Boeing 747, registered N9VSFO, was involved in an incident during takeoff near Nairobi. It was flown under non-U.S. commercial rules. 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
April 17, 2023 · about 8:07 am local time
Place
Nairobi, Kenya
Type
Incident
Injuries
The NTSB record does not give the injuries.
Weather
not recorded
Aircraft
Boeing 747 412F, built 2004 · all 747s on the register
Registration
N9VSFO · no longer on the register · serial 32900
Damage
Not recorded
Flight
Flight · non-U.S. commercial rules

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

What happened, in order

  1. Loss of engine power (partial) during takeoff defining event

The aircraft

  • Landing gear: retractable
  • Operator: Singapore Airlines Cargo

The flight

  • Departed from: HKJK Nairobi OF
  • Destination: EHAM Amsterdam OF
  • Flight plan: VFR
  • A second pilot was aboard

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 NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check at the NTSB.

Other NTSB records under N9VSFO the same tail number, which may have belonged to a different aircraft at the time

2019-12-11DCA20WA041 · incident near Auckland · minor damage
2019-11-28DCA20WA031 · incident near Sydney · minor damage

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.