# NTSB investigations: Lycoming IO-360-A1D6, 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 ERA22LA038](https://openairdocs.org/ntsb/ERA22LA038.md): Aviat A-1C 200 · Riverhead, NY · Accident · No injuries · Class 4 · Limited · Final report · Oct 2, 2021 · N199B · Substantial damage
  > The pilot's excessive braking during landing which resulted in a noseover and substantial damage.
- [NTSB CEN21FA150](https://openairdocs.org/ntsb/CEN21FA150.md): Aviat A-1B · Berwyn, NE · Accident · 1 fatal · Class 3 · Field · Final report · Mar 6, 2021 · N166WW · Destroyed
  > A loss of control and subsequent impact with terrain as a result of spatial disorientation during cruise in dark night conditions.
- [NTSB WPR21LA135](https://openairdocs.org/ntsb/WPR21LA135.md): Aviat A-1C-200 · Carefree, AZ · Accident · No injuries · Class 3 · Limited · Final report · Feb 19, 2021 · N43LL · Substantial damage
  > The substandard installation of the airplane’s autopilot system hardware, which resulted in a malfunction of the rudder control system during flight and a loss of directional control during the landing roll.

## 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 ('41822'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41822&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.