# NTSB DCA26WA241: Boeing 787-9, N27997, Singapore, Singapore, June 21, 2026

- Type: NTSB occurrence investigation
- Classification: Occurrence · No injuries · Class 5 · Foreign
- Date: June 21, 2026, 10:56 local (10:56 UTC)
- Place: Singapore, Singapore
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-holding (IFR): Fuel related](https://openairdocs.org/ntsb-events/190)
- Highest injury: No injuries
- Injuries: 271 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): 203212
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA26WA241
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/203212/pdf
- Page: https://openairdocs.org/ntsb/DCA26WA241

## Sequence of events

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

- [Enroute-holding (IFR): Fuel related](https://openairdocs.org/ntsb-events/190) (defining event); cases with it: [Boeing 787-9, 1 case](https://openairdocs.org/ntsb-events/190/sequence.md?model=1385609), [All aircraft, 361 cases](https://openairdocs.org/ntsb-events/190/sequence.md)

## Aircraft

- Registration: [N27997](https://openairdocs.org/aircraft/N27997), registered now, S/N 68625, built 2025 (OpenAirDocs)
- Reported make and model: BOEING 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (registry code 1385609) (OpenAirDocs)
- Registry engine: [GE GENX-1B76A/P2](https://openairdocs.org/engine/ge-genx-1b76a-p2) (registry code 30231, turbo-fan) (OpenAirDocs)
- Flight: Part 121
- Operator: United Airlines Inc
- Registered owner: United Airlines Inc

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.