# NTSB DCA24WA298: Boeing 787, Tokyo, Japan, September 4, 2024

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Class 5 · Foreign
- Date: September 4, 2024, 09:57 local (09:57 UTC)
- Place: Tokyo, Japan
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-cruise: Clear air turbulence encounter](https://openairdocs.org/ntsb-events/362)
- Highest injury: Serious injuries
- Injuries: 1 serious, 132 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 195088
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA24WA298
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/195088/pdf
- Page: https://openairdocs.org/ntsb/DCA24WA298

## Sequence of events

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

- [Enroute-cruise: Clear air turbulence encounter](https://openairdocs.org/ntsb-events/362) (defining event); cases with it: [All aircraft, 24 cases](https://openairdocs.org/ntsb-events/362/sequence.md)

## Aircraft

- Registration: JA863J (not matched to a registry record)
- Reported make and model: BOEING 787 (9)
- Category: Airplane
- Damage: Minor damage
- Flight: Part 129
- Operator: Japan Airlines, Ltd.
- Registered owner: Japan Airlines, Ltd.
- Departed: Beijing
- Destination: Tokyo

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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