# NTSB investigations: Lycoming 0-435A/0-435C, 1971

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 CHI72DEI26](https://openairdocs.org/ntsb/CHI72DEI26.md): Bellanca 14-193 · Painesville, OH · Accident · No injuries · Closed · Dec 29, 1971 · N6553N · Substantial damage
- [NTSB ANC72DAG79](https://openairdocs.org/ntsb/ANC72DAG79.md): Stinson 108-2 · Kodiak, AK · Accident · No injuries · Closed · Nov 24, 1971 · N9510K · Substantial damage
- [NTSB ANC72DAG19](https://openairdocs.org/ntsb/ANC72DAG19.md): Stinson 108-3 · Anchorage, AK · Accident · No injuries · Closed · Aug 16, 1971 · N6175M · Substantial damage
- [NTSB MKC72FCD08](https://openairdocs.org/ntsb/MKC72FCD08.md): Bell 47-G5 · New Market, IA · Accident · No injuries · Closed · Jul 20, 1971 · N4705R · Destroyed

## 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") = 1971
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41517'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41517&year=1971

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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.