# NTSB investigations: Lycoming IO-390 series, CA

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 WPR25LA028](https://openairdocs.org/ntsb/WPR25LA028.md): Dierenfield Devin RV-6A · Lancaster, CA · Accident · No injuries · Class 4 · Limited · Final report · Oct 25, 2024 · N805RV · Substantial damage
  > The pilot’s failure to maintain a stablized approach, which resulted in a hard landing.
- [NTSB WPR11LA216](https://openairdocs.org/ntsb/WPR11LA216.md): Dralle RV-8 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · May 1, 2011 · N998RV · Substantial damage
  > The pilot's decision to exit the runway while still traveling at an excessive speed and his subsequent loss of directional control.
- [NTSB WPR09LA202](https://openairdocs.org/ntsb/WPR09LA202.md): Alexander Thomas P Sportsman GS-2 · El Dorado HIlls, CA · Accident · 1 fatal · Limited investigation · Final report · Apr 18, 2009 · N209TP · Destroyed
  > The in-flight separation of the elevator control torque tube rod end bearing from the elevator torque tube as a result of incorrectly tightened rod end bearing lock nuts.
- [NTSB WPR09LA074](https://openairdocs.org/ntsb/WPR09LA074.md): Rowland GS-2 Sport · Ramona, CA · Accident · No injuries · Limited investigation · Final report · Jan 6, 2009 · N756R · Substantial damage
  > A total loss of engine power for undetermined reasons.

## 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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41678'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41678&state=CA

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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.