# NTSB investigations: Lycoming O-360-A1A, 2023

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 CEN24LA038](https://openairdocs.org/ntsb/CEN24LA038.md): Bede BD-4 · Lowell, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 14, 2023 · N931AS · Substantial damage
  > Fatigue cracking of the propeller blade root, which resulted in the in-flight separation of the propeller blade from its root. Contributing to the accident was the improper machining of the blade root threads, which resulted in chatter/ratchet marks that…
- [NTSB ERA24LA039](https://openairdocs.org/ntsb/ERA24LA039.md): Gaulden William D Vans RV-4 · London, KY · Accident · No injuries · Class 4 · Limited · Final report · Nov 7, 2023 · N2606A · Substantial damage
  > The pilot’s inadvertent application of nose down pitch trim during the attempted aborted landing, which resulted in abnormal contact with the runway.
- [NTSB CEN23LA287](https://openairdocs.org/ntsb/CEN23LA287.md): Aerofab LA-4 · Big Prairie, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 8, 2023 · N993PT · Substantial damage
  > The airplane’s collision with a submerged log during a water landing.

## 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") = 2023
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41594'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41594&year=2023

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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.