# Ongoing NTSB investigations: Lycoming IO-540-AB1A5

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 ANC26FA039](https://openairdocs.org/ntsb/ANC26FA039.md): Cessna 182T · Armistead, CA · Accident · 2 fatal · Class 3 · Field · Preliminary report · May 7, 2026 · N227TF · Substantial damage
  > On May 7, 2026, about 1055 pacific daylight time (PDT), a Cessna 182T airplane, N227TF, was destroyed when it was involved in an accident near Armistead, California. The flight instructor and the pilot receiving instruction were fatally injured. The airplane…
- [NTSB CEN26LA213](https://openairdocs.org/ntsb/CEN26LA213.md): Textron 182T · Newberry, MI · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 22, 2026 · N116D · Substantial damage
  > On January 22, 2026, about 18:40 eastern standard time, a Cessna 182T, N116D was substantially damaged when it was involved in an accident near Newberry, Michigan. The pilot was not injured. The airplane was operated under the provisions of 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."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 ('41808'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41808&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.