# NTSB OPS19WA018: Airbus A321, London, United Kingdom, July 22, 2019

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: July 22, 2019, 23:19 local (23:19 UTC)
- Place: London, United Kingdom
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Defining event: [Approach: Altitude deviation](https://openairdocs.org/ntsb-events/282)
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Operational Factors Division
- Lead agency: Other
- NTSB case key (mKey): 100320
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OPS19WA018
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/100320/pdf
- Page: https://openairdocs.org/ntsb/OPS19WA018

## Factual narrative

The Air Accidents Investigation Branch (AAIB) of the United Kingdom has notified the NTSB of an incident involving an Airbus A-321-231, which occurred on July 22, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB investigation under the provisions of ICAO Annex 13. All investigative information will be released by the AAIB.

## Sequence of events

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

- [Approach: Altitude deviation](https://openairdocs.org/ntsb-events/282) (defining event)

## Aircraft

- Registration: YL-LCQ (not matched to a registry record)
- Reported make and model: AIRBUS A321 (231)
- Category: Airplane
- Damage: No damage
- Flight: Non-U.S., commercial
- Airworthiness certificate: Standard, Transport
- Airport: London Stansted Airport, runway 22

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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