# NTSB DCA98WA074: Boeing 777, N796UA, London Heathrow, United Kingdom, July 29, 1998

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: July 29, 1998
- Place: London Heathrow, United Kingdom
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- NTSB case key (mKey): 43252
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA98WA074
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/43252/pdf
- Page: https://openairdocs.org/ntsb/DCA98WA074

## Aircraft

- Registration: [N796UA](https://openairdocs.org/aircraft/N796UA), registered now, S/N 26931, built 1998 (OpenAirDocs)
- Reported make and model: Boeing 777
- Registry model: [Boeing 777-222](https://openairdocs.org/model/boeing-777-222) (registry code 1385219) (OpenAirDocs)
- Registry engine: [Pratt & Whitney PW4000 series](https://openairdocs.org/engine/pratt-whitney-pw4000-series) (registry code 52119, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Damage: Minor damage
- Fire: Unknown
- Flight: Part 121
- Operator: United Airlines, Inc.
- Flight plan: Unknown

## Weather

- Conditions: Not reported

## Other investigations on N796UA (2)

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.

- [NTSB ENG27LA001](https://openairdocs.org/ntsb/ENG27LA001), Oct 6, 2026: Boeing 777-222 (N796UA), San Francisco, CA, incident, investigation ongoing
- [NTSB DCA25WA345](https://openairdocs.org/ntsb/DCA25WA345), Sep 9, 2025: Boeing 777-222 (N796UA), Ezeiza, Argentina, incident, no damage

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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