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

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 ANC26LA053](https://openairdocs.org/ntsb/ANC26LA053.md): Piper PA-28-235 · Key West, FL · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 14, 2026 · N15564 · Substantial damage
  > On June 14, 2026, at 1035 eastern standard time, a Piper PA-28-235 airplane, N15564, was substantially damaged when it was involved in an accident near Key West, Florida. The pilot was not injured and the passenger sustained minor injuries. The airplane was…
- [NTSB ANC26FA021](https://openairdocs.org/ntsb/ANC26FA021.md): Robinson Helicopter R44 · Boynton Beach, FL · Accident · 2 fatal · Class 3 · Field · Preliminary report · Mar 23, 2026 · N478AT · Destroyed
  > On March 23, 2026, about 1221 eastern daylight time, a Robinson R44 Raven I helicopter, N478AT, was destroyed when it was involved in an accident near Boynton Beach, Florida. The flight instructor and the pilot receiving instruction were fatally injured. The…

## 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" = 'FL' 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=FL&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.