# Fatal, Ongoing NTSB investigations: Lycoming TI0-540 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 ANC26FA091](https://openairdocs.org/ntsb/ANC26FA091.md): Piper PA-24-260 · Seldovia, AK · Accident · 4 fatal · Class 3 · Field · Preliminary report · Aug 26, 2026 · N9485P · Substantial damage
  > On August 26, 2026 about 1317 Alaska daylight time, a Piper PA-24-260 airplane, N9485P, was substantially damaged when it was involved in an accident near Seldovia, Alaska. The pilot and three passengers were fatally injured. The airplane was operated as a…
- [NTSB CEN26FA280](https://openairdocs.org/ntsb/CEN26FA280.md): Piper PA-24-250 · Bethany, MO · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 4, 2026 · N8422P · Destroyed
  > On August 4, 2026, about 1839 central daylight time, a Piper PA-24-250 airplane, N8422P, was destroyed when it was involved in an accident near Bethany, Missouri. The pilot received fatal injuries. The airplane was operated under Title 14 Code of Federal…
- [NTSB WPR26FA216](https://openairdocs.org/ntsb/WPR26FA216.md): Piper PA-36-300 · Henderson, NE · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jun 12, 2026 · N57846 · Substantial damage
  > On June 11, 2026, at 2103 central daylight time, a Piper PA-36-300, N57846, was substantially damaged when it impacted a rotating beacon tower and terrain near Henderson, Nebraska. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…
- [NTSB WPR26FA189](https://openairdocs.org/ntsb/WPR26FA189.md): Piper PA-32-300 · Empire, NV · Accident · 2 fatal · Class 3 · Field · Preliminary report · May 17, 2026 · N8502N · Substantial damage
  > On May 17, 2026, about 0738 PDT, a Piper PA-32-300, N8502N, was substantially damaged when it was involved in an accident near Empire, Nevada. The pilot and passenger sustained fatal injuries. The airplane was operated as a Title 14 Code of Federal…
- [NTSB CEN26FA140](https://openairdocs.org/ntsb/CEN26FA140.md): Aero Commander 500-B · Chesterfield, MO · Accident · 1 fatal · Class 3 · Field · Preliminary report · Mar 17, 2026 · N444CA · Destroyed
  > On March 17, 2026, about 0024 central daylight time, an Aero Commander 500-B airplane, N444CA, was destroyed when it was involved in an accident near Chesterfield, Missouri. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…
- [NTSB CEN25FA184](https://openairdocs.org/ntsb/CEN25FA184.md): Rockwell Commander 114A · Hankamer, TX · Accident · 2 fatal · Class 3 · Field · Preliminary report · May 24, 2025 · N5903N · Destroyed
  > On May 24, 2025, about 1658 central daylight time (CDT), a Rockwell Commander 114A airplane, N5903N, was destroyed when it was involved in an accident near Hankamer, Texas. The private pilot and passenger were fatally injured. The airplane was operated under…

## 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."highestInjuryLevel" = 'Fatal'
  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 ('41533'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41533&fatal=1&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.