# 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 5 of 6 · 285 cases

## Cases, newest first

- [NTSB LAX71FUA08](https://openairdocs.org/ntsb/LAX71FUA08.md): Hiller Acft UH-12A · Tustin, CA · Accident · No injuries · Closed · Aug 4, 1970 · N2827D · Substantial damage
- [NTSB NYC71FFA06](https://openairdocs.org/ntsb/NYC71FFA06.md): Bell 47D-1 · New Hartford, NY · Accident · Minor injuries · Closed · Jul 28, 1970 · N4117A · Substantial damage
- [NTSB LAX71DUJ19](https://openairdocs.org/ntsb/LAX71DUJ19.md): Bell 47G · Queen Creek, AZ · Accident · No injuries · Closed · Jul 27, 1970 · N5237A · Substantial damage
- [NTSB MKC70DCJ27](https://openairdocs.org/ntsb/MKC70DCJ27.md): Bell 47D1 · David City, NE · Accident · No injuries · Closed · Jun 4, 1970 · N903B · Substantial damage
- [NTSB LAX70FUD08](https://openairdocs.org/ntsb/LAX70FUD08.md): Bell 47D · Venice, CA · Accident · No injuries · Closed · Mar 18, 1970 · N234B · Substantial damage
- [NTSB OAK70DVM09](https://openairdocs.org/ntsb/OAK70DVM09.md): Hiller Acft UH-12C · Castroville, CA · Accident · Minor injuries · Closed · Mar 17, 1970 · N5320V · Destroyed
- [NTSB FTW70FPD05](https://openairdocs.org/ntsb/FTW70FPD05.md): Bell 47G · Fort Worth, TX · Accident · No injuries · Closed · Mar 5, 1970 · N16657 · Substantial damage
- [NTSB FTW70FPA07](https://openairdocs.org/ntsb/FTW70FPA07.md): Bell 47D1 · Howe, TX · Accident · No injuries · Closed · Mar 4, 1970 · N74121 · Substantial damage
- [NTSB FTW70FRG10](https://openairdocs.org/ntsb/FTW70FRG10.md): Bell 47D1 · Randolph Afb, TX · Accident · No injuries · Closed · Feb 14, 1970 · N4229A · Substantial damage
- [NTSB LAX70F0171](https://openairdocs.org/ntsb/LAX70F0171.md): Bell 47D1 · Santa Ana, CA · Accident · No injuries · Closed · Oct 10, 1969 · N9673Z · Substantial damage
- [NTSB LAX70D0129](https://openairdocs.org/ntsb/LAX70D0129.md): Bell 47D1 · Shafter, CA · Accident · No injuries · Closed · Sep 13, 1969 · N153B · Substantial damage
- [NTSB OAK70D0145](https://openairdocs.org/ntsb/OAK70D0145.md): Bell 47G · Hollister, CA · Accident · Minor injuries · Closed · Sep 8, 1969 · N7985A · Destroyed
- [NTSB NYC70F0134](https://openairdocs.org/ntsb/NYC70F0134.md): Bell 47G · Worthington, MA · Accident · No injuries · Closed · Aug 21, 1969 · N54047 · Substantial damage
- [NTSB MIA70F0090](https://openairdocs.org/ntsb/MIA70F0090.md): Bell 47D1 · Belzoni, MS · Accident · No injuries · Closed · Jul 30, 1969 · N54154 · Substantial damage
- [NTSB NYC70F0032](https://openairdocs.org/ntsb/NYC70F0032.md): Bell 47D1 · Fairfield, PA · Accident · No injuries · Closed · Jul 9, 1969 · N225B · Substantial damage
- [NTSB NYC70F0049](https://openairdocs.org/ntsb/NYC70F0049.md): Bell 47D1 · Feeding Hlls, MA · Accident · No injuries · Closed · Jun 30, 1969 · N4250A · Destroyed
- [NTSB DIA70F0019](https://openairdocs.org/ntsb/DIA70F0019.md): Bell 47G · Newsoms, VA · Accident · No injuries · Closed · Jun 30, 1969 · N138B · Substantial damage
- [NTSB SEA70F0019](https://openairdocs.org/ntsb/SEA70F0019.md): Bell 47G · Stanwood, WA · Accident · No injuries · Closed · Jun 18, 1969 · N964B · Substantial damage
- [NTSB FTW69F0497](https://openairdocs.org/ntsb/FTW69F0497.md): Bell 47D1 · Powell, TX · Accident · No injuries · Closed · May 13, 1969 · N7735 · Substantial damage
- [NTSB NYC69F0450](https://openairdocs.org/ntsb/NYC69F0450.md): Bell 47G · Geneseo, NY · Accident · 1 fatal · Closed · May 5, 1969 · N1273 · Destroyed
- [NTSB FTW69F0491](https://openairdocs.org/ntsb/FTW69F0491.md): Bell 47G · Fort Worth, TX · Accident · No injuries · Closed · May 2, 1969 · N16657 · Substantial damage
- [NTSB LAX69D0326](https://openairdocs.org/ntsb/LAX69D0326.md): Bell 47D1 · Calabasas, CA · Accident · No injuries · Closed · Apr 30, 1969 · N8116 · Substantial damage
- [NTSB MIA69F0470](https://openairdocs.org/ntsb/MIA69F0470.md): Hiller UH-12C · Hato Rey, PR · Accident · No injuries · Closed · Apr 19, 1969 · N5317V · Substantial damage
- [NTSB LAX69D0317](https://openairdocs.org/ntsb/LAX69D0317.md): Hiller UH-12C · Compton, CA · Accident · No injuries · Closed · Feb 13, 1969 · N5326V · Substantial damage
- [NTSB FTW69F0246](https://openairdocs.org/ntsb/FTW69F0246.md): Bell 47H-1 · Houston, TX · Accident · No injuries · Closed · Oct 5, 1968 · N996B · Substantial damage
- [NTSB NYC69D0001](https://openairdocs.org/ntsb/NYC69D0001.md): Bell 47D1 · Mt Morris, NY · Accident · No injuries · Closed · Jun 4, 1968 · N925V · Destroyed
- [NTSB MIA69F0017](https://openairdocs.org/ntsb/MIA69F0017.md): Bell 47H-1 · Cape Canaverl, FL · Accident · No injuries · Closed · Apr 20, 1968 · N2891B · Substantial damage
- [NTSB LAX68A0068](https://openairdocs.org/ntsb/LAX68A0068.md): Bell 47G-2 · Culver City, CA · Accident · No injuries · Closed · Jan 17, 1968 · N412SF · Substantial damage
- [NTSB NYC68A0072](https://openairdocs.org/ntsb/NYC68A0072.md): Bell 47G · Newark Apt Fac, NJ · Accident · Minor injuries · Closed · Nov 16, 1967 · N940B · Substantial damage
- [NTSB FTW68A0032](https://openairdocs.org/ntsb/FTW68A0032.md): Bell 47D1 · Russellville, AR · Accident · No injuries · Closed · Sep 18, 1967 · N903B · Substantial damage
- [NTSB FTW68A0029](https://openairdocs.org/ntsb/FTW68A0029.md): Bell 47D1 · Irving, TX · Accident · No injuries · Closed · Sep 8, 1967 · N8116 · Substantial damage
- [NTSB LAX68A0021](https://openairdocs.org/ntsb/LAX68A0021.md): Bell 47D1 · Buttonwilow, CA · Accident · No injuries · Closed · Aug 18, 1967 · N10190 · Substantial damage
- [NTSB MIA68A0011](https://openairdocs.org/ntsb/MIA68A0011.md): Bell 47D1 · Pnama Cty Bch, FL · Accident · No injuries · Closed · Jul 22, 1967 · N322A · Substantial damage
- [NTSB NYC68A0014](https://openairdocs.org/ntsb/NYC68A0014-201123.md): Bell 47G · Wayland, NY · Accident · No injuries · Closed · Jul 21, 1967 · N7895B · Substantial damage
- [NTSB NYC68A0011](https://openairdocs.org/ntsb/NYC68A0011.md): Bell 47-D1 · Waterford, PA · Accident · No injuries · Closed · Jul 20, 1967 · N310A · Substantial damage
- [NTSB ANC68A0001](https://openairdocs.org/ntsb/ANC68A0001.md): Bell 47D1 · Tok, AK · Accident · No injuries · Closed · Jul 4, 1967 · N157B · Substantial damage
- [NTSB MKC67A0088](https://openairdocs.org/ntsb/MKC67A0088.md): Bell 47G · Lincoln, KS · Accident · No injuries · Closed · Jun 26, 1967 · N73865 · Substantial damage
- [NTSB NYC67A0163](https://openairdocs.org/ntsb/NYC67A0163.md): Bell 47D1 · West Grove, PA · Accident · No injuries · Closed · May 17, 1967 · N138B · Substantial damage
- [NTSB NYC67A0162](https://openairdocs.org/ntsb/NYC67A0162.md): Bell 47D1 · Milford Square, PA · Accident · No injuries · Closed · May 17, 1967 · N925V · Substantial damage
- [NTSB LAX67A0105](https://openairdocs.org/ntsb/LAX67A0105.md): Bell 47G · Bakersfield, CA · Accident · No injuries · Closed · May 8, 1967 · N148B · Substantial damage
- [NTSB LAX67A0103](https://openairdocs.org/ntsb/LAX67A0103.md): Bell 47D1 · Bakersfield, CA · Accident · No injuries · Closed · May 3, 1967 · N12888 · Substantial damage
- [NTSB OAK67A0071](https://openairdocs.org/ntsb/OAK67A0071.md): Bell 47D1 · Martinez, CA · Accident · 3 fatal · Closed · Mar 25, 1967 · N74123 · Destroyed
- [NTSB CHI67A0087](https://openairdocs.org/ntsb/CHI67A0087.md): Hiller UH-12B · Fairhaven, MI · Accident · No injuries · Closed · Jan 15, 1967 · N5304V · Destroyed
- [NTSB SEA67A0042](https://openairdocs.org/ntsb/SEA67A0042.md): Hiller UH-12C · Rosalia, WA · Accident · No injuries · Closed · Dec 12, 1966 · N5316V · Substantial damage
- [NTSB MKC67A0034](https://openairdocs.org/ntsb/MKC67A0034.md): Bell 47G · Hariton, IA · Accident · No injuries · Closed · Nov 7, 1966 · N4734S · Substantial damage
- [NTSB LAX67A0043](https://openairdocs.org/ntsb/LAX67A0043.md): Bell 47D1 · Fontana, CA · Accident · No injuries · Closed · Oct 31, 1966 · N5166V · Substantial damage
- [NTSB NYC67A0106](https://openairdocs.org/ntsb/NYC67A0106.md): Hiller UH-12A · Honesdale, PA · Accident · No injuries · Closed · Oct 13, 1966 · N8109H · Substantial damage
- [NTSB LAX67A0026](https://openairdocs.org/ntsb/LAX67A0026.md): Bell 47D1 · Quartz Hill, CA · Accident · Serious injuries · Closed · Sep 1, 1966 · N93067 · Substantial damage
- [NTSB NYC67A0006](https://openairdocs.org/ntsb/NYC67A0006.md): Bell 47G · W.Barnstable, MA · Accident · Minor injuries · Closed · Jul 8, 1966 · N932B · Substantial damage
- [NTSB DEN66A0089](https://openairdocs.org/ntsb/DEN66A0089.md): Bell 47D1 · Hyattville, WY · Accident · No injuries · Closed · Jun 19, 1966 · N74121 · Substantial damage

Next page: https://openairdocs.org/ntsb.md?engine=27033&page=6

## 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=5

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