# Ongoing NTSB investigations: Lycoming 0-540 series, AZ

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 WPR26FA151](https://openairdocs.org/ntsb/WPR26FA151.md): Piper PA-32R-301T · Marana, AZ · Accident · 2 fatal · Class 3 · Field · Preliminary report · Apr 9, 2026 · N4190E · Substantial damage
  > On April 08, 2026 at 1710 mountain standard time, a Piper PA-32R-301T, N4190E, sustained substantial damage when it was involved in an accident near Marana, AZ. The pilot and passenger sustained fatal injuries. The airplane was operated as a Title 14 Code of…
- [NTSB WPR25LA217](https://openairdocs.org/ntsb/WPR25LA217.md): Cessna TR182 · Tuba City, AZ · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jul 17, 2025 · N182KC · Substantial damage
  > On July 17, 2025, about 1447 mountain standard time, a Cessna TR182, N182KC, was substantially damaged when it was involved in an accident near Tuba City, Arizona. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code of…

## 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" = 'AZ' AND c."eventCountry" = 'USA'
  AND 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 ('41532'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41532&state=AZ&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.