# NTSB investigations: Lycoming O&VO-360 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 ERA25LA275](https://openairdocs.org/ntsb/ERA25LA275.md): Piper PA28 · San Juan, PR · Accident · No injuries · Class 4 · Limited · Final report · Jul 21, 2025 · N4187U · Substantial damage
  > The student pilot’s excessing pitch attitude during takeoff, which resulted in a loss of aircraft control and aerodynamic stall.
- [NTSB ERA17LA227](https://openairdocs.org/ntsb/ERA17LA227.md): Piper PA28 · San Juan, PR · Accident · No injuries · Limited investigation · Final report · Jul 4, 2017 · N9427J · Substantial damage
  > A partial loss of engine power during initial climb for reasons that could not be determined and the pilot's subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB ERA10CA152](https://openairdocs.org/ntsb/ERA10CA152.md): Piper PA-28-180 · Patillas, PR · Accident · Minor injuries · Data collection · Final report · Feb 24, 2010 · N5212L · Substantial damage
  > The student pilot’s decision to abort the takeoff with insufficient runway remaining.
- [NTSB MIA77FKA06](https://openairdocs.org/ntsb/MIA77FKA06.md): Aero Comdr 100 · Lajas, PR · Accident · No injuries · Closed · Apr 3, 1977 · N4037X · Substantial damage
- [NTSB MIA74FKA08](https://openairdocs.org/ntsb/MIA74FKA08.md): Piper PA-28 · Culebra, PR · Accident · No injuries · Closed · Feb 22, 1974 · N5158S · Substantial damage
- [NTSB MIA70F0190](https://openairdocs.org/ntsb/MIA70F0190.md): Piper PA-28 · Ciales, PR · Accident · Minor injuries · Closed · Sep 29, 1969 · N9439J · Substantial damage
- [NTSB MIA68F0352](https://openairdocs.org/ntsb/MIA68F0352.md): Piper PA-28 · Mayaguez, PR · Accident · Minor injuries · Closed · Jan 3, 1968 · N9447J · Substantial damage
- [NTSB MIA67F0370](https://openairdocs.org/ntsb/MIA67F0370.md): Piper PA-28 · Arecibo, PR · Accident · No injuries · Closed · Jan 15, 1967 · N9439J · 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 ('41514'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41514&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.