# NTSB investigations: Lycoming VO-435 series, 1964

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 UNK65X0693](https://openairdocs.org/ntsb/UNK65X0693.md): Bell 47G2A · Yukon, OK · Accident · No injuries · Closed · Nov 13, 1964 · N3355D · Substantial damage
- [NTSB UNK65X0560](https://openairdocs.org/ntsb/UNK65X0560.md): Bell 47G2 · Umiat, AK · Accident · No injuries · Closed · Nov 4, 1964 · N6717D · Substantial damage
- [NTSB UNK65X0382](https://openairdocs.org/ntsb/UNK65X0382.md): Bell 47G2A · Battle Creek, MI · Accident · Serious injuries · Closed · Oct 22, 1964 · N8458E · Destroyed
- [NTSB UNK65X0170](https://openairdocs.org/ntsb/UNK65X0170.md): Bell 47G2 · Monterey, CA · Accident · No injuries · Closed · Oct 6, 1964 · N6727D · Substantial damage
- [NTSB UNK64X4172](https://openairdocs.org/ntsb/UNK64X4172.md): Bell 47G2 · Pomona, CA · Accident · No injuries · Closed · Sep 26, 1964 · N5193B · Substantial damage
- [NTSB UNK64X4107](https://openairdocs.org/ntsb/UNK64X4107.md): Bell 47G2 · Tyone, AK · Accident · No injuries · Closed · Sep 22, 1964 · N7888B · Substantial damage
- [NTSB UNK64X3325](https://openairdocs.org/ntsb/UNK64X3325.md): Bell B-47G2 · Monitor, WA · Incident · No injuries · Closed · Aug 11, 1964 · N2483B · No damage
- [NTSB UNK64X2939](https://openairdocs.org/ntsb/UNK64X2939.md): Bell 47G3B · Lake City, CO · Accident · No injuries · Closed · Jul 20, 1964 · N73915 · Substantial damage
- [NTSB UNK64X2719](https://openairdocs.org/ntsb/UNK64X2719.md): Bell 47G3 · Manson, WA · Accident · 1 fatal · Closed · Jul 8, 1964 · N8441E · Destroyed
- [NTSB UNK64X2623](https://openairdocs.org/ntsb/UNK64X2623.md): Bell 47G2 · Lake Lillian, MN · Accident · Serious injuries · Closed · Jul 3, 1964 · N262MV · Destroyed
- [NTSB UNK64X2503](https://openairdocs.org/ntsb/UNK64X2503.md): Bell 47G3B · Tujunga, CA · Accident · No injuries · Closed · Jun 26, 1964 · N8496E · Substantial damage
- [NTSB UNK64X2134](https://openairdocs.org/ntsb/UNK64X2134.md): Bell 47G2 · Fort Worth, TX · Accident · No injuries · Closed · Jun 5, 1964 · N2151 · Destroyed
- [NTSB UNK64X1728](https://openairdocs.org/ntsb/UNK64X1728.md): Bell 47G2 · Huntington Bc, CA · Accident · Serious injuries · Closed · May 11, 1964 · N2495B · Destroyed
- [NTSB UNK64X1689](https://openairdocs.org/ntsb/UNK64X1689.md): Bell 47D-1 · Fullerton, CA · Accident · No injuries · Closed · May 9, 1964 · N9421H · Substantial damage
- [NTSB UNK64X1672](https://openairdocs.org/ntsb/UNK64X1672.md): Bell 47G2 · Glendora, CA · Accident · Serious injuries · Closed · May 8, 1964 · N5193B · Substantial damage
- [NTSB UNK64X1671](https://openairdocs.org/ntsb/UNK64X1671.md): Bell 47G2A · West Milford, NJ · Accident · No injuries · Closed · May 8, 1964 · N73207 · Substantial damage
- [NTSB UNK64X0959](https://openairdocs.org/ntsb/UNK64X0959.md): Bell 47J2 · Los Angeles, CA · Accident · No injuries · Closed · Mar 16, 1964 · N73272 · 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 year(c."eventDate") = 1964
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41525'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41525&year=1964

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