# NTSB investigations: Franklin 6V4 series 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. Page 6 of 6 · 285 cases ## Cases, newest first - [NTSB NYC66A0149](https://openairdocs.org/ntsb/NYC66A0149.md): Bell 47D1 · Newark, MD · Accident · No injuries · Closed · Jun 7, 1966 · N4227A · Substantial damage - [NTSB LAX66A0096](https://openairdocs.org/ntsb/LAX66A0096.md): Hiller UH-12A · Los Angeles, CA · Accident · No injuries · Closed · Jun 6, 1966 · N263SS · Substantial damage - [NTSB FTW66A0113](https://openairdocs.org/ntsb/FTW66A0113.md): Bell 47G-2 · New Orleans, LA · Accident · No injuries · Closed · Jun 5, 1966 · N6359X · Substantial damage - [NTSB DEN66A0080](https://openairdocs.org/ntsb/DEN66A0080.md): Bell 47D1 · Albuquerque, NM · Accident · No injuries · Closed · May 6, 1966 · N74121 · Substantial damage - [NTSB ANC66A0041](https://openairdocs.org/ntsb/ANC66A0041.md): Bell 47D1 · Wassila, AK · Accident · No injuries · Closed · May 2, 1966 · N117B · Substantial damage - [NTSB MIA66A0106](https://openairdocs.org/ntsb/MIA66A0106-201516.md): Bell 47D1 · Shelby, MS · Accident · No injuries · Closed · Mar 12, 1966 · N3103G · Substantial damage - [NTSB NYC66A0083](https://openairdocs.org/ntsb/NYC66A0083.md): Bell 47D1 · Broqueville, PA · Accident · Minor injuries · Closed · Feb 2, 1966 · N225B · Substantial damage - [NTSB MIA66A0086](https://openairdocs.org/ntsb/MIA66A0086.md): Bell 47D1 · Florida City, FL · Accident · Minor injuries · Closed · Jan 31, 1966 · N322A · Substantial damage - [NTSB MIA66A0082](https://openairdocs.org/ntsb/MIA66A0082.md): Bell 47G-1 · N.Miami Beach, FL · Accident · Serious injuries · Closed · Jan 13, 1966 · N2821B · Substantial damage - [NTSB SEA66A0031](https://openairdocs.org/ntsb/SEA66A0031.md): Hiller UH-12B · Federal Way, WA · Accident · No injuries · Closed · Nov 11, 1965 · N7212H · Substantial damage - [NTSB NYC66A0044](https://openairdocs.org/ntsb/NYC66A0044.md): Bell 47H-1 · Clinton, MD · Accident · Minor injuries · Closed · Oct 2, 1965 · N996B · Substantial damage - [NTSB MIA66A0016](https://openairdocs.org/ntsb/MIA66A0016.md): Bell 47G · Panama City, FL · Accident · No injuries · Closed · Jul 26, 1965 · N3628G · Substantial damage - [NTSB UNK65X1503](https://openairdocs.org/ntsb/UNK65X1503.md): Bell 47G · Nassau, Burkina Faso · Accident · No injuries · Closed · Jun 16, 1965 · N940B · Substantial damage - [NTSB FTW65A0109](https://openairdocs.org/ntsb/FTW65A0109.md): Hiller UH12B · Mcallen, TX · Accident · No injuries · Closed · May 4, 1965 · N10195 · Substantial damage - [NTSB NYC65A0125](https://openairdocs.org/ntsb/NYC65A0125.md): Bell Tomcat · Harman, WV · Accident · No injuries · Closed · Apr 17, 1965 · N6590D · Substantial damage - [NTSB MIA65A0099](https://openairdocs.org/ntsb/MIA65A0099.md): Hiller UH12C · N Miami Beach, FL · Accident · No injuries · Closed · Apr 7, 1965 · N5317V · Substantial damage - [NTSB FTW65A0095](https://openairdocs.org/ntsb/FTW65A0095.md): Hiller UH12B · San Antonio, TX · Accident · No injuries · Closed · Mar 29, 1965 · N6448D · Substantial damage - [NTSB SEA65A0044](https://openairdocs.org/ntsb/SEA65A0044.md): Bell 47D1 · Roseburg, OR · Accident · No injuries · Closed · Feb 23, 1965 · N917B · Substantial damage - [NTSB LAX65A0059](https://openairdocs.org/ntsb/LAX65A0059.md): Bell 47D1 · Granada Hls, CA · Accident · No injuries · Closed · Jan 9, 1965 · N234B · Substantial damage - [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 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&page=6 --- 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.