# NTSB ANC20WA025: Agustawestland AW139, Fukushima, Japan, February 1, 2020

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Foreign investigation
- Date: February 1, 2020
- Place: Fukushima, Japan
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Unknown or undetermined](https://openairdocs.org/ntsb-events/000)
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Alaska Regional Office
- Lead agency: Other
- NTSB case key (mKey): 100989
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC20WA025
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/100989/pdf
- Page: https://openairdocs.org/ntsb/ANC20WA025

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute: Unknown or undetermined](https://openairdocs.org/ntsb-events/000) (defining event); cases with it: [All aircraft, 1,703 cases](https://openairdocs.org/ntsb-events/000/sequence.md)

## Factual narrative

The government of Japan has notified the NTSB of an accident involving a AGUSTAWESTLAND AW139 helicopter that occurred on February 01, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Japan's investigation under the provisions of ICAO Annex 13.All investigative information will be released by the government of Japan.

## Aircraft

- Registration: JA139F (not matched to a registry record)
- Reported make and model: AGUSTAWESTLAND AW139
- Category: Helicopter
- Fire: Unknown
- Flight plan: Unknown

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
