Honda HA-420 incident near Kohnan, Jp, March 13, 2021
On March 13, 2021 at about 5:26 pm local time, a Honda HA-420, registered JA01HJ, suffered minor damage in an incident during landing near Kohnan. It was flown under non-U.S. private rules. No one was hurt; 2 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
- March 13, 2021 · about 5:26 pm local time
- Place
- Kohnan, Japan
- Type
- Incident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- not recorded
- Aircraft
- Honda HA-420
- Registration
- JA01HJ · no longer on the register · serial 42000133
- Damage
- Minor damage
- Flight
- Flight · non-U.S. private rules
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Landing area overshoot during landing defining event
The aircraft
- Landing gear: fixed
- Not recorded
- Operator: Okayama Air Service Co. Ltd
The flight
- Departed from: RJBK Kohnan
- Destination: RJBK Kohnan
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 | |||
| Passengers | 1 |
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 JA01HJ the same tail number, which may have belonged to a different aircraft at the time
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.