# NTSB DCA97WA047: Boeing 747-400, London, United Kingdom, May 14, 1997

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Foreign investigation
- Date: May 14, 1997, 12:15 local (13:15 UTC)
- Place: London, United Kingdom
- Highest injury: No injuries
- Injuries: 573 uninjured
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- NTSB case key (mKey): 11039
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA97WA047
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/11039/pdf
- Page: https://openairdocs.org/ntsb/DCA97WA047

## Aircraft 1

- Registration: CGAGM (not matched to a registry record)
- Reported make and model: Boeing 747-400
- Category: Airplane
- Damage: Minor damage
- Flight: Part 129
- Operator: Air Canada, doing business as Air Canada
- Airworthiness certificate: Standard, Transport
- Flight plan: IFR
- Airport: Heathrow International

## Aircraft 2

- Registration: [N770UA](https://openairdocs.org/deregistered/N770UA-2008-09-26), registration cancelled 2008-09-26, S/N 26925 (OpenAirDocs)
- Reported make and model: Boeing B777
- Registry model: [Boeing 777-222](https://openairdocs.org/model/boeing-777-222) (registry code 1385219) (OpenAirDocs)
- Category: Airplane
- Damage: Substantial damage
- Flight: Part 121
- Operator: United Airlines
- Airworthiness certificate: Standard, Transport
- Flight plan: IFR
- Airport: Heathrow International

## Weather

- Conditions: Visual (VMC), Day

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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