# NTSB investigations: Lycoming AEIO-360 series, 2021

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 CEN22FA019](https://openairdocs.org/ntsb/CEN22FA019.md): American Champion 8KCAB · Marengo, WI · Accident · 2 fatal · Class 3 · Field · Final report · Oct 23, 2021 · N843AC · Destroyed
  > The pilot’s failure to maintain adequate airspeed during the steep turn, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall. Also causal was the pilot’s decision to conduct steep turns without sufficient altitude to…
- [NTSB CEN21LA468](https://openairdocs.org/ntsb/CEN21LA468.md): American Champion 8KCAB · Beaumont, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 18, 2021 · N2468W · Substantial damage
  > The flight instructor’s failure to maintain aircraft control during the turn to final approach resulting in a rapid descent and impact with terrain.
- [NTSB WPR21LA239](https://openairdocs.org/ntsb/WPR21LA239.md): Mooney M20J · West Glacier, MT · Accident · No injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N5765N · Substantial damage
  > The pilot’s inadequate performance planning and decision to continue the takeoff which, resulted in a runway overrun and collision with terrain.
- [NTSB ERA21LA260](https://openairdocs.org/ntsb/ERA21LA260.md): Bellanca 8KCAB · Argyle, NY · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 17, 2021 · N1182E · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during landing, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.

## 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 year(c."eventDate") = 2021
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41522', '41601'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41522&year=2021

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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.