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Accidents · NTSB ERA16WA095 · Preliminary: the investigation is not finished

Air Tractor AT401 accident near Londrina, Br, January 20, 2016

On January 20, 2016 at about 7:10 pm local time, a Air Tractor AT401, registered PTWFX, was destroyed in an accident during takeoff near Londrina (Londrina airport). It was a ferry flight under non-U.S. private rules. 1 person was seriously injured.

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. 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
January 20, 2016 · about 7:10 pm local time
Place
Londrina, Brazil · Londrina · map
Type
Accident
Injuries
1 person was seriously injured.
Weather
not recorded
Aircraft
Air Tractor AT401
Registration
PTWFX · no longer on the register · serial 401B0981
Damage
Destroyed
Flight
Ferry flight · non-U.S. private rules

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

On January 20, 2016, about 1910 universal coordinated time, an Air Tractor AT401B, Brazilian registration PT-WFX, was destroyed by collision with a motor vehicle and terrain in Londrina Municipality, State of Parana, Brazil. The Brazilian certificated pilot was seriously injured. Six occupants of the motor vehicle were fatally injured, while two occupants were seriously injured. The flight departed Londrina Airport (SSOK), Londrina Municipality, Brazil, and was destined for Sao Paulo, Brazil. According to investigators, the airplane was on a ferry flight and experienced a total loss of engine power immediately after departing runway 10. The airplane turned sharply back towards the airport at low altitude, and struck a vehicle travelling on the highway at the approach end of runway 28. The airplane and the vehicle were each destroyed by impact and post-crash fire. This accident investigation is under the jurisdiction of the Aeronautical Accident Prevention and Investigation Center (CENIPA) of Brazil. Any further information pertaining to this accident may be obtained from: Aeronautical Accident Prevention and Investigation Center Investigation Division CENIPA SHIS QI 05 - ÁREA ESPECIAL 12 - VI COMAR - LAGO SUL BRASÍLIA - DF CEP 71.615-600 SERIPA 5 – IIC Max Adolfo Nardes Telephone: +55 61 3364-8812 Fax: (55-21) 3368-3616 investiga@seripa3.aer.mil.br This report is for informational purposes and contains only information released by the Government of Brazil.

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

What happened, in order

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

Pilot

  • Injury: serious injuries

The aircraft

  • Last inspection: inspection type not recorded
  • Maximum gross weight: 4,244 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: Pratt And Whitney R1340 (piston); 0 hours total
  • Fire on the ground

The flight

  • Departed from: SSOK Londrina
  • Destination: SICN Sao Paulo
  • Runway 10, 2,592 ft by 59 ft

Weather at the time

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

Injuries

FatalSeriousMinorNone
Flight crew1

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.

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.