# NTSB investigations: Lycoming IO-320 series, PR

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 MIA01FA072](https://openairdocs.org/ntsb/MIA01FA072.md): Piper PA-30 · Ponce, PR · Accident · 1 fatal · Field investigation · Final report · Feb 8, 2001 · N181MM · Destroyed
  > The pilot's decision to attempt flight with known deficiencies in the airplanes right engine, his failure to feather the right propeller after the engine failed, his failure to retract the landing gear following the engine failure, and his failure to…
- [NTSB MIA67F0236](https://openairdocs.org/ntsb/MIA67F0236.md): Piper PA-30 · San Juan, PR · Accident · No injuries · Closed · Oct 7, 1966 · N7446Y · Substantial damage
- [NTSB MIA67F0120](https://openairdocs.org/ntsb/MIA67F0120.md): Piper PA-30 · San Juan, PR · Accident · No injuries · Closed · Jul 17, 1966 · N7298Y · 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" = 'PR' 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 ('41509'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41509&state=PR

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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.