# NTSB DCA24WA087: Boeing 787, Tokoname, Japan, February 1, 2024

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Class 5 · Foreign
- Date: February 1, 2024, 01:08 local (01:08 UTC)
- Place: Tokoname, Japan · Nearest airport, located 100km north of event
- Coordinates: 34.858333, 136.805278 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.8583&lon=136.8053&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-cruise: Turbulence encounter](https://openairdocs.org/ntsb-events/360)
- Highest injury: Serious injuries
- Injuries: 1 serious, 256 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Major Investigations Division
- Lead agency: Other
- Parties: FAA/AVP110, Boeing
- NTSB case key (mKey): 193738
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA24WA087
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/193738/pdf
- Page: https://openairdocs.org/ntsb/DCA24WA087

## Sequence of events

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

- [Enroute-cruise: Turbulence encounter](https://openairdocs.org/ntsb-events/360) (defining event); cases with it: [All aircraft, 423 cases](https://openairdocs.org/ntsb-events/360/sequence.md)

## Aircraft

- Registration: JA899A (not matched to a registry record)
- Reported make and model: BOEING 787 (9)
- Category: Airplane
- Serial number: 34519
- Damage: No damage
- Flight: Non-U.S., commercial
- Operator: All Nippon Airways
- Registered owner: All Nippon Airways
- Airworthiness certificate: Standard, Transport
- Departed: RJTT, Tokyo, OF
- Destination: VTBS, Samutprakan, OF

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.