# NTSB GAA26WA166: Honda HA420, Narita, Japan, April 16, 2026

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Class 5 · Foreign
- Date: April 16, 2026
- Place: Narita, Japan
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Defining event: [Unknown: Unknown or undetermined](https://openairdocs.org/ntsb-events/000)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: General Aviation Accidents
- Lead agency: Other
- NTSB case key (mKey): 202846
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA26WA166
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/202846/pdf
- Page: https://openairdocs.org/ntsb/GAA26WA166

## Sequence of events

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

- [Unknown: 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)

## Aircraft

- Registration: JA20YA (not matched to a registry record)
- Reported make and model: HONDA HA420
- Category: Airplane
- Flight: Non-U.S., non-commercial

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.

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