# NTSB investigations: Pratt & Whitney R-2800 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 UNK65X0918](https://openairdocs.org/ntsb/UNK65X0918.md): Curtiss C46 · Oliktok Pt, AK · Accident · No injuries · Closed · Dec 4, 1964 · N4860V · Substantial damage
- [NTSB UNK65X0828](https://openairdocs.org/ntsb/UNK65X0828.md): Curtiss C-46 · Covington, KY · Accident · No injuries · Closed · Nov 25, 1964 · N611Z · Substantial damage
- [NTSB UNK65X0417](https://openairdocs.org/ntsb/UNK65X0417.md): Grumman F6F5 · Minneapolis, MN · Accident · Minor injuries · Closed · Oct 25, 1964 · N1078Z · Substantial damage
- [NTSB UNK64X3499](https://openairdocs.org/ntsb/UNK64X3499.md): Douglas A-26B · Madison, WI · Accident · No injuries · Closed · Aug 20, 1964 · N4050A · Substantial damage
- [NTSB UNK64X1947](https://openairdocs.org/ntsb/UNK64X1947.md): Douglas DC-6A · Sacramento, CA · Incident · No injuries · Closed · May 25, 1964 · N90777 · Minor damage
- [NTSB UNK64X0628](https://openairdocs.org/ntsb/UNK64X0628.md): Curtis C-46A · Denver, CO · Accident · No injuries · Closed · Feb 21, 1964 · N611Z · 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 ('52026'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52026&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.
