# NTSB investigations: Lycoming GO-435C&D series, PA

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 NYC86LA244](https://openairdocs.org/ntsb/NYC86LA244.md): Ryan Navion · Beaver Falls, PA · Accident · Serious injuries · Limited investigation · Final report · Sep 29, 1986 · N5244K · Destroyed
  > The plt stated that the acft experienced engine problems during cruise flt and crashed about one mile northeast of Beaver Falls, PA. Post accident testing revealed that the engine was capable of developing power in accordance with the manufacturer's…
- [NTSB NYC78FGM07](https://openairdocs.org/ntsb/NYC78FGM07.md): Helio Acft 391 · Bedford, PA · Accident · No injuries · Closed · Oct 28, 1977 · N4169D · Substantial damage
- [NTSB NYC74DGM26](https://openairdocs.org/ntsb/NYC74DGM26.md): Navion B · Valencia, PA · Accident · No injuries · Closed · Apr 29, 1974 · N300CB · Substantial damage
- [NTSB NYC66F0634](https://openairdocs.org/ntsb/NYC66F0634.md): Navion B · West Chester, PA · Accident · No injuries · Closed · Apr 9, 1966 · N5380K · Substantial damage
- [NTSB UNK65X0539](https://openairdocs.org/ntsb/UNK65X0539.md): Beechcraft B50 · Waynesburg, PA · Accident · No injuries · Closed · Nov 3, 1964 · N3561B · 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" = 'PA' 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 ('41521'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41521&state=PA

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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.