# NTSB investigations: Lycoming 0-540 series, DE

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 BFO87LA028](https://openairdocs.org/ntsb/BFO87LA028.md): Piper PA-23-250 · Dover, DE · Accident · No injuries · Limited investigation · Final report · Mar 29, 1987 · N5216Y · 2 aircraft · Substantial damage
  > The rockwell was in level flight at 2800 ft and the Piper was climbing when midair collision occurred. Neither acft was operating under ATC. Neither plt saw the otr acft before the collision occurred. The bottom of the rockwell cabin and the left tiptank of…
- [NTSB NYC67D0182](https://openairdocs.org/ntsb/NYC67D0182.md): Piper PA-22 · Bridgeville, DE · Accident · No injuries · Closed · Aug 17, 1966 · N5671Z · Substantial damage

## 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" = 'DE' AND c."eventCountry" = 'USA'
  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=DE

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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.