# Ongoing NTSB investigations: Lycoming O-360-A4M

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 ERA26LA180](https://openairdocs.org/ntsb/ERA26LA180.md): Piper PA-28-181 · Indiantown, FL · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 19, 2026 · N643FT · Substantial damage
  > On April 18, 2026, about 2115 eastern daylight time, a Piper PA-28-181, N643FT, was substantially damaged when it was involved in an accident near Indiantown, Florida. The private pilot was not injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB WPR26LA045](https://openairdocs.org/ntsb/WPR26LA045.md): Piper PA-28-181 · Mesa, AZ · Accident · No injuries · Class 3 · Limited · Preliminary report · Nov 17, 2025 · N4402N · Substantial damage
  > On November 17, 2025, about 0830 mountain standard time, a Piper PA 28-181, N4402N, was substantially damaged when it was involved in an accident near Mesa, Arizona. The flight instructor and student pilot were not injured. The airplane was operated as a…

## 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 ('42276'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=42276&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.
