# NTSB investigations: Piper PA-23-235, MA

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 NYC92FA047](https://openairdocs.org/ntsb/NYC92FA047.md): Piper PA-23-235 · Fall River, MA · Accident · 1 fatal · Field investigation · Final report · Dec 14, 1991 · N4959P · Destroyed
  > The pilot did not follow IFR proceedures and was manuvering at too low an altitude to remain clear of the terrain. Factors in the accident were; fatigue, fog and no visual ground clues.
- [NTSB NYC68D0068](https://openairdocs.org/ntsb/NYC68D0068.md): Piper PA-23 · Boston, MA · Accident · No injuries · Closed · Jul 27, 1967 · N4330Y · Substantial damage
- [NTSB NYC67D0135](https://openairdocs.org/ntsb/NYC67D0135.md): Piper PA-23 · Hyannis, MA · Accident · No injuries · Closed · Jul 26, 1966 · N4330Y · 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" = 'MA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102306'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102306&state=MA

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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.