# NTSB investigations, PA: Propeller failure/malfunction

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 NYC06LA097](https://openairdocs.org/ntsb/NYC06LA097.md): Piper PA-28-140 · Avondale, PA · Accident · 1 fatal · Limited investigation · Final report · Apr 16, 2006 · N15507 · Destroyed
  > Separation of the propeller blade due to fatigue.
- [NTSB NYC01LA221](https://openairdocs.org/ntsb/NYC01LA221.md): de Havilland DHC-94 Moth Minor · Farmington, PA · Accident · No injuries · Limited investigation · Final report · Sep 2, 2001 · N9403 · Substantial damage
  > The in-flight separation of a propeller blade, which resulted in a forced landing to unsuitable terrain. A factor related to the accident was the plowed field.

## 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" = 'PA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 131)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=131&state=PA

---
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.