# NTSB investigations: Lycoming O-320-E2A: Loss of control in flight

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ERA23FA046](https://openairdocs.org/ntsb/ERA23FA046.md): Zenith CH750 Cruzer · Southington, OH · Accident · 1 fatal · Class 3 · Field · Final report · Oct 28, 2022 · N820RC · Substantial damage
  > The pilot's failure to maintain proper airspeed while maneuvering in the airport traffic pattern and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall at an altitude that was too low to recover.
- [NTSB ERA22FA036](https://openairdocs.org/ntsb/ERA22FA036.md): Vans RV4 · Chattahoochee, FL · Accident · 1 fatal · Class 3 · Field · Final report · Oct 31, 2021 · N479JJ · Destroyed
  > The pilot’s failure to properly secure the canopy before takeoff, allowing the canopy to open and then separate in flight, which resulted in the pilot’s failure to maintain control of the airplane for reasons that could not be determined based on the…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('42120')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=42120

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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.