# 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 3 of 6 · 285 cases

## Cases, newest first

- [NTSB LAX79FJA17](https://openairdocs.org/ntsb/LAX79FJA17.md): Bell 47D1 · Pearl City, HI · Accident · No injuries · Closed · Oct 19, 1979 · N234B · Substantial damage
- [NTSB MIA79FLA48](https://openairdocs.org/ntsb/MIA79FLA48.md): Bell 47D1 · Hahira, GA · Accident · No injuries · Closed · Sep 1, 1979 · N908B · Destroyed
- [NTSB CHI79FEM34](https://openairdocs.org/ntsb/CHI79FEM34.md): Bell 47G-2 · Hart, MI · Accident · No injuries · Closed · Aug 16, 1979 · N4734S · Substantial damage
- [NTSB ANC79DAG75](https://openairdocs.org/ntsb/ANC79DAG75.md): Hiller UH-12B · Dutch Harbor, AK · Accident · No injuries · Closed · Aug 1, 1979 · N5310V · Substantial damage
- [NTSB SEA79FYM51](https://openairdocs.org/ntsb/SEA79FYM51.md): Bell 47G · Embler, OR · Accident · Minor injuries · Closed · Jul 18, 1979 · N6356X · Substantial damage
- [NTSB NYC79FNE18](https://openairdocs.org/ntsb/NYC79FNE18.md): Bell 47D-1 · Ridgefield, CT · Accident · No injuries · Closed · Jun 24, 1979 · N4250A · Substantial damage
- [NTSB NYC79FGT17](https://openairdocs.org/ntsb/NYC79FGT17.md): Bell 47D-1 · Hanover, PA · Accident · Minor injuries · Closed · Jun 19, 1979 · N59326 · Substantial damage
- [NTSB MIA79FKQ11](https://openairdocs.org/ntsb/MIA79FKQ11.md): Bell 47D · Parchman, MS · Accident · No injuries · Closed · Jun 8, 1979 · N4227A · Substantial damage
- [NTSB LAX79DUQ26](https://openairdocs.org/ntsb/LAX79DUQ26.md): Bell 47G2M · Guadalupe, CA · Accident · No injuries · Closed · Apr 2, 1979 · N6327D · Substantial damage
- [NTSB OAK78FVM46](https://openairdocs.org/ntsb/OAK78FVM46.md): Bell 47D1 · Castroville, CA · Accident · No injuries · Closed · Sep 17, 1978 · N78900 · Substantial damage
- [NTSB MIA78DLG36](https://openairdocs.org/ntsb/MIA78DLG36.md): Bell 47D1 · Summerville, SC · Accident · No injuries · Closed · Aug 26, 1978 · N4116A · Substantial damage
- [NTSB MIA78FKG74](https://openairdocs.org/ntsb/MIA78FKG74.md): Bell 47D1 · Hartwell, GA · Accident · No injuries · Closed · Aug 19, 1978 · N74123 · Substantial damage
- [NTSB CHI78FEM34](https://openairdocs.org/ntsb/CHI78FEM34.md): Bell 47G · Chippewa, MI · Accident · No injuries · Closed · Aug 19, 1978 · N5237A · Substantial damage
- [NTSB CHI78DET31](https://openairdocs.org/ntsb/CHI78DET31.md): Bell 47G2 · Petroleum, IN · Accident · Minor injuries · Closed · Aug 3, 1978 · N1273 · Destroyed
- [NTSB ANC78FA050](https://openairdocs.org/ntsb/ANC78FA050.md): Bell 47D-1 · Anchorage, AK · Incident · No injuries · Closed · Jul 13, 1978 · N755E · Substantial damage
- [NTSB SEA78DYP35](https://openairdocs.org/ntsb/SEA78DYP35.md): Bell 47G · Anatone, WA · Accident · No injuries · Closed · Jun 23, 1978 · N6356X · Substantial damage
- [NTSB NYC78FGT06](https://openairdocs.org/ntsb/NYC78FGT06.md): Hiller UH-12C · Lititz, PA · Accident · No injuries · Closed · Apr 18, 1978 · N73875 · Substantial damage
- [NTSB ANC78FAG40](https://openairdocs.org/ntsb/ANC78FAG40.md): Bell 47G3 · Tuluksak, AK · Accident · No injuries · Closed · Apr 8, 1978 · N4419E · Substantial damage
- [NTSB LAX78FUA13](https://openairdocs.org/ntsb/LAX78FUA13.md): Bell 47G · Torrance, CA · Accident · No injuries · Closed · Mar 25, 1978 · N4475 · Substantial damage
- [NTSB IAD78FLJ09](https://openairdocs.org/ntsb/IAD78FLJ09.md): Bell 47G · New Bern, NC · Accident · No injuries · Closed · Mar 6, 1978 · N1773 · Substantial damage
- [NTSB LAX77DUK02](https://openairdocs.org/ntsb/LAX77DUK02.md): Bell 47D1 · Poston, AZ · Accident · No injuries · Closed · Sep 14, 1977 · N8060E · Substantial damage
- [NTSB MIA77FKQ35](https://openairdocs.org/ntsb/MIA77FKQ35.md): Bell MK5-B · Lambert, MS · Accident · Serious injuries · Closed · Aug 23, 1977 · N4227A · Substantial damage
- [NTSB MIA77DKG41](https://openairdocs.org/ntsb/MIA77DKG41.md): Bell 47-D1 · Berlin, GA · Accident · No injuries · Closed · Jul 2, 1977 · N908B · Substantial damage
- [NTSB FTW77DPG53](https://openairdocs.org/ntsb/FTW77DPG53.md): Bell 47D1 · Alicia, AR · Accident · No injuries · Closed · Jun 29, 1977 · N10190 · Substantial damage
- [NTSB FTW77FPM13](https://openairdocs.org/ntsb/FTW77FPM13.md): Bell 47G · Copan, OK · Accident · No injuries · Closed · Jun 15, 1977 · N16657 · Substantial damage
- [NTSB MKC77FCG24](https://openairdocs.org/ntsb/MKC77FCG24.md): Bell 47D · Mt.Vernon, MO · Accident · Minor injuries · Closed · May 24, 1977 · N925V · Substantial damage
- [NTSB SEA77FYE19](https://openairdocs.org/ntsb/SEA77FYE19.md): Bell 47D1 · Enumclaw, WA · Accident · No injuries · Closed · May 14, 1977 · N17301 · Substantial damage
- [NTSB FTW77FRA13](https://openairdocs.org/ntsb/FTW77FRA13.md): Bell 47D1 · Houston, TX · Accident · No injuries · Closed · Feb 27, 1977 · N9736Z · Substantial damage
- [NTSB LAX77FUA06](https://openairdocs.org/ntsb/LAX77FUA06-201381.md): Bell 47D-1 · Long Beach, CA · Accident · Minor injuries · Closed · Feb 23, 1977 · N74120 · Substantial damage
- [NTSB LAX77FUJ19](https://openairdocs.org/ntsb/LAX77FUJ19.md): Bell 47D1 · Parker, AZ · Accident · No injuries · Closed · Jan 10, 1977 · N8060E · Substantial damage
- [NTSB FTW77FRG02](https://openairdocs.org/ntsb/FTW77FRG02.md): Bell 47G · Kerrville, TX · Accident · Serious injuries · Closed · Oct 12, 1976 · N2772 · Destroyed
- [NTSB MIA76FLG51](https://openairdocs.org/ntsb/MIA76FLG51.md): Bell 47G · Ridge Spring, SC · Accident · No injuries · Closed · Sep 8, 1976 · N1273 · Substantial damage
- [NTSB FTW76FPH03](https://openairdocs.org/ntsb/FTW76FPH03.md): Bell 47H-1 · Tuckerman, AR · Accident · No injuries · Closed · Aug 21, 1976 · N981B · Substantial damage
- [NTSB MKC76DCQ57](https://openairdocs.org/ntsb/MKC76DCQ57.md): Bell 47D-1 · Sublette, KS · Accident · No injuries · Closed · Jun 4, 1976 · N908B · Substantial damage
- [NTSB ANC76DAH16](https://openairdocs.org/ntsb/ANC76DAH16.md): Bell 47D-1 · Birchwood, AK · Accident · 1 fatal · Closed · May 25, 1976 · N117B · Substantial damage
- [NTSB MIA76DLA48](https://openairdocs.org/ntsb/MIA76DLA48.md): Bell 47D-1 · Lake Butler, FL · Accident · No injuries · Closed · May 21, 1976 · N74123 · Substantial damage
- [NTSB LAX76FUQ32](https://openairdocs.org/ntsb/LAX76FUQ32.md): Bell 47D-1 · Lancaster, CA · Accident · No injuries · Closed · Apr 7, 1976 · N917B · Substantial damage
- [NTSB MIA76DKT59](https://openairdocs.org/ntsb/MIA76DKT59.md): Bell 47D1 · South Bay, FL · Accident · No injuries · Closed · Mar 1, 1976 · N12088 · Substantial damage
- [NTSB MIA76FLD46](https://openairdocs.org/ntsb/MIA76FLD46.md): Bell 47G · Clearwater, FL · Accident · Minor injuries · Closed · Feb 22, 1976 · N3628G · Substantial damage
- [NTSB OAK76FVG43](https://openairdocs.org/ntsb/OAK76FVG43.md): Bell 47D-1 · Sacramento, CA · Accident · No injuries · Closed · Jan 13, 1976 · N2134 · Substantial damage
- [NTSB LAX76FVA18](https://openairdocs.org/ntsb/LAX76FVA18.md): Bell 47D-1 · Capistrano, CA · Accident · No injuries · Closed · Jan 1, 1976 · N9673Z · Substantial damage
- [NTSB FTW76FPJ19](https://openairdocs.org/ntsb/FTW76FPJ19.md): Hiller Acft UH-12A · Ada, OK · Accident · No injuries · Closed · Dec 13, 1975 · N8117H · Substantial damage
- [NTSB FTW76FPA15](https://openairdocs.org/ntsb/FTW76FPA15.md): Bell 47D-1 · Irving, TX · Accident · No injuries · Closed · Dec 7, 1975 · N5226 · Substantial damage
- [NTSB DEN76FTE32](https://openairdocs.org/ntsb/DEN76FTE32.md): Hiller Acft UH-12C · Nucla, CO · Accident · No injuries · Closed · Oct 19, 1975 · N5316V · Substantial damage
- [NTSB ANC76AA041](https://openairdocs.org/ntsb/ANC76AA041.md): Hiller Acft UH-12A · Nome, AK · Accident · No injuries · Closed · Sep 27, 1975 · N10172 · Substantial damage
- [NTSB NYC76FGM05](https://openairdocs.org/ntsb/NYC76FGM05.md): Hiller Acft UH-12B · Beaver Falls, PA · Accident · No injuries · Closed · Sep 3, 1975 · N90424 · Substantial damage
- [NTSB MIA76DLA08](https://openairdocs.org/ntsb/MIA76DLA08.md): Bell 47D1 · Monticello, FL · Accident · No injuries · Closed · Aug 21, 1975 · N74123 · Substantial damage
- [NTSB OAK76DVM08](https://openairdocs.org/ntsb/OAK76DVM08.md): Bell 47G · King City, CA · Accident · Minor injuries · Closed · Aug 20, 1975 · N933B · Substantial damage
- [NTSB MIA76FLG04](https://openairdocs.org/ntsb/MIA76FLG04.md): Bell 47G · Myrtle Beach, SC · Accident · No injuries · Closed · Jul 26, 1975 · N1773 · Substantial damage
- [NTSB SEA76DYG01](https://openairdocs.org/ntsb/SEA76DYG01.md): Bell 47G-2 · Moses Lake, WA · Accident · Minor injuries · Closed · Jul 1, 1975 · N984B · Destroyed

Next page: https://openairdocs.org/ntsb.md?engine=27033&page=4

## 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=3

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