# NTSB investigations: Franklin 6V4 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 UNK65X1015](https://openairdocs.org/ntsb/UNK65X1015.md): Hiller UH-12B · Pharr, TX · Accident · No injuries · Closed · Dec 14, 1964 · N10195 · Substantial damage
- [NTSB UNK65X1004](https://openairdocs.org/ntsb/UNK65X1004.md): Hiller UH12A · Austin, TX · Accident · No injuries · Closed · Dec 13, 1964 · N6444D · Substantial damage
- [NTSB UNK64X3955](https://openairdocs.org/ntsb/UNK64X3955.md): Hiller UH12B · Ontario, CA · Accident · No injuries · Closed · Sep 13, 1964 · N5311V · Substantial damage
- [NTSB UNK64X3077](https://openairdocs.org/ntsb/UNK64X3077.md): Bell 47G · Plymouth, MA · Accident · No injuries · Closed · Jul 27, 1964 · N932B · Substantial damage
- [NTSB UNK64X2935](https://openairdocs.org/ntsb/UNK64X2935.md): Bell 47D1 · Toppenish, WA · Accident · No injuries · Closed · Jul 19, 1964 · N1161N · Substantial damage
- [NTSB UNK64X2452](https://openairdocs.org/ntsb/UNK64X2452.md): Bell 47G · Vivian, LA · Accident · No injuries · Closed · Jun 23, 1964 · N4734S · Substantial damage
- [NTSB UNK64X2222](https://openairdocs.org/ntsb/UNK64X2222.md): Bell 47D1 · Harrisburg, AR · Accident · No injuries · Closed · Jun 10, 1964 · N322A · Substantial damage
- [NTSB UNK64X2207](https://openairdocs.org/ntsb/UNK64X2207.md): Bell 47D1 · Gilbertsville, KY · Accident · Serious injuries · Closed · Jun 9, 1964 · N8060E · Substantial damage
- [NTSB UNK64X2135](https://openairdocs.org/ntsb/UNK64X2135.md): Hiller UH12C · San Bernardino, CA · Accident · No injuries · Closed · Jun 5, 1964 · N5326V · Substantial damage
- [NTSB UNK64X1986](https://openairdocs.org/ntsb/UNK64X1986.md): Bell 47H1 · Miami, FL · Accident · No injuries · Closed · May 28, 1964 · N981B · Substantial damage
- [NTSB UNK64X1983](https://openairdocs.org/ntsb/UNK64X1983.md): Bell 47G · Pana, IL · Accident · No injuries · Closed · May 27, 1964 · N4734S · Substantial damage
- [NTSB UNK64X1649](https://openairdocs.org/ntsb/UNK64X1649.md): Hiller UH12A · Abilene, KS · Accident · No injuries · Closed · May 7, 1964 · N10172 · Substantial damage
- [NTSB UNK64X1458](https://openairdocs.org/ntsb/UNK64X1458.md): Bell 47G · Hayward, CA · Accident · No injuries · Closed · Apr 25, 1964 · N7985A · Substantial damage
- [NTSB UNK64X1289](https://openairdocs.org/ntsb/UNK64X1289.md): Bell 47E · Las Vegas, NV · Accident · No injuries · Closed · Apr 12, 1964 · N7036C · Substantial damage
- [NTSB UNK64X1063](https://openairdocs.org/ntsb/UNK64X1063.md): Bell 47D1 · Hayward, CA · Accident · Minor injuries · Closed · Mar 27, 1964 · N201W · Destroyed
- [NTSB UNK64X0801](https://openairdocs.org/ntsb/UNK64X0801.md): Hiller UH12A · Van Nuys, CA · Accident · Closed · Mar 4, 1964 · N162M · 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 ('27033'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27033&year=1964

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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.