# NTSB investigations: Piper PA-25-235, 2015

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 CEN15LA383](https://openairdocs.org/ntsb/CEN15LA383.md): Piper PA 25-235 · Harvey, ND · Accident · No injuries · Limited investigation · Final report · Aug 21, 2015 · N4652Y · Substantial damage
  > The partial loss of engine power due to a failed magneto and two cylinders with low compression. Contributing to the accident was the pilot/owner’s decision to operate the airplane with an ongoing engine issue.
- [NTSB CEN15LA297](https://openairdocs.org/ntsb/CEN15LA297.md): Piper PA 25-235 · Galveston, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 28, 2015 · N94MC · Substantial damage
  > The loss of engine power due to a failure of a crankshaft idler gear shaft.
- [NTSB CEN15LA238](https://openairdocs.org/ntsb/CEN15LA238.md): Piper PA-25-235 · Omega, OK · Accident · No injuries · Limited investigation · Final report · May 11, 2015 · N7279Z · Substantial damage
  > Improper base metal preparation or contamination of the No. 5 cylinder wall before it was coated, which resulted in the coating peeling off of the cylinder wall and contaminating the engine oil and the subsequent partial loss of engine power.

## 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 year(c."eventDate") = 2015
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102504'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102504&year=2015

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