The U.S. aircraft register, updated daily
Accidents · NTSB GAA26WA075 · Preliminary: the investigation is not finished

Robinson R44 accident near Kumamoto Prefecture, Outside the U.S., January 20, 2026

On January 20, 2026 at about 11:00 am local time, a Robinson R44 (helicopter), registered JA10KE, was substantially damaged in an accident near Kumamoto Prefecture, Outside the U.S.. It was flown under non-U.S. private rules. 3 people were 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, 2026 · about 11:00 am local time
Place
Kumamoto Prefecture, Japan
Type
Accident
Injuries
3 people were seriously injured.
Weather
not recorded
Aircraft
Robinson R44 · all R44s on the register
Registration
JA10KE · no longer on the register
Damage
Substantial damage
Flight
Flight · non-U.S. private rules

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

What happened, in order

  1. Unknown or undetermined during unknown defining event

The aircraft

  • Landing gear: fixed

Weather at the time

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

Injuries

FatalSeriousMinorNone
Cabi2
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.