# Ongoing NTSB investigations: Lycoming IO-320 series

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 WPR27LA016](https://openairdocs.org/ntsb/WPR27LA016.md): Piper PA-30 · Reno, NV · Accident · No injuries · Class 4 · Limited · Investigation open · Oct 12, 2026 · N7571Y · Substantial damage
- [NTSB CEN26LA248](https://openairdocs.org/ntsb/CEN26LA248.md): Piper PA-30 · Tulsa, OK · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jul 9, 2026 · N8154Y · Substantial damage
  > On July 9, 2026, about 1729 central daylight time, a Piper PA-30 airplane, N8154Y, was substantially damaged when it was involved in an accident near Tulsa, Oklahoma. The flight instructor and pilot under instruction were seriously injured. The airplane was…
- [NTSB WPR26LA163](https://openairdocs.org/ntsb/WPR26LA163.md): Piper PA30 · Auburn, WA · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Apr 18, 2026 · N741TJ · Substantial damage
  > On April 18, 2026, about 1330 Pacific daylight time, a Piper PA-30 Twin Comanche, N741TJ, was substantially damaged when it was involved in an accident near Auburn, Washington. The pilot and pilot-rated passenger sustained minor injuries. The airplane was…
- [NTSB WPR26LA107](https://openairdocs.org/ntsb/WPR26LA107.md): Piper PA-30 · Big Bear, CA · Accident · No injuries · Class 3 · Limited · Preliminary report · Feb 24, 2026 · N811LE · Substantial damage
  > On February 23, 2026, at 1800 Pacific standard time, a Piper PA-30, N811LE, was substantially damaged when it was involved in an accident near Big Bear, California. The pilot and passenger were not injured. The airplane was operated as a 14 Code of Federal…
- [NTSB CEN26FA064](https://openairdocs.org/ntsb/CEN26FA064.md): Piper PA-30 · West Chicago, IL · Accident · 2 fatal · Class 3 · Field · Preliminary report · Dec 17, 2025 · N8693Y · Substantial damage
  > On December 17, 2025, about 1349 central standard time, a Piper PA-30 airplane, N8693Y, was substantially damaged when it was involved in an accident near West Chicago, Illinois. The pilot and pilot-rated passenger were fatally injured. The airplane was…

## 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."completionStatus" = 'Ongoing'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41509'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41509&status=ongoing

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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.