# NTSB investigations: Franklin 6V 350 series, CA

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 LAX97LA211](https://openairdocs.org/ntsb/LAX97LA211.md): Maule M-4-220C · Gualala, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 14, 1997 · N40654 · Destroyed
  > continued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude/clearance from tall trees. The weather conditions (low ceiling and fog) were related factors.
- [NTSB LAX93FA272](https://openairdocs.org/ntsb/LAX93FA272.md): Bell 47G2-M · S. Sn Francisco, CA · Accident · 1 fatal · Field investigation · Final report · Jul 2, 1993 · N2473B · Destroyed
  > The pilot's inadequate preflight planning/preparation which resulted in flight into high winds, turbulence and windshear.
- [NTSB LAX84LA271](https://openairdocs.org/ntsb/LAX84LA271.md): Maule M-4-220C · Vacaville, CA · Accident · No injuries · Limited investigation · Final report · Apr 28, 1984 · N40329 · Substantial damage
  > The flight was conducted for a sales demonstration. Both occupants were pilots. Two landings were performed by the acft owner. The third landing was performed by the prospective buyer and during touchdown the acft bounced. The owner applied power to recover.…
- [NTSB LAX77DVA06](https://openairdocs.org/ntsb/LAX77DVA06.md): Cessna 175 · Lost Hills, CA · Accident · No injuries · Closed · Oct 11, 1976 · N7409M · Substantial damage
- [NTSB LAX75DUG34](https://openairdocs.org/ntsb/LAX75DUG34.md): Maule M4220C · Chiraco Summit, CA · Accident · No injuries · Closed · Feb 14, 1975 · N40654 · Substantial damage
- [NTSB LAX75FUQ21](https://openairdocs.org/ntsb/LAX75FUQ21.md): M-Saulnier MS894A · Inyokern, CA · Accident · No injuries · Closed · Jan 25, 1975 · N43BF · Substantial damage
- [NTSB OAK75DVA38](https://openairdocs.org/ntsb/OAK75DVA38.md): Hiller Acft UH-12C · Kettlmn Cty, CA · Accident · No injuries · Closed · Dec 31, 1974 · N4785C · Destroyed
- [NTSB OAK73FVM40](https://openairdocs.org/ntsb/OAK73FVM40.md): Hiller Acft UH-12C · Salinas, CA · Accident · Minor injuries · Closed · Jun 28, 1973 · N9734C · Destroyed
- [NTSB LAX73FUQ35](https://openairdocs.org/ntsb/LAX73FUQ35.md): Bell 47G · San Frnando, CA · Accident · No injuries · Closed · May 23, 1973 · N2473B · Substantial damage
- [NTSB LAX73FUM18](https://openairdocs.org/ntsb/LAX73FUM18.md): Maule M-4 · Santee, CA · Accident · No injuries · Closed · Feb 5, 1973 · N2032U · Substantial damage
- [NTSB OAK73FVD14](https://openairdocs.org/ntsb/OAK73FVD14.md): Hiller Acft UH-12C · Brentwood, CA · Accident · 1 fatal · Closed · Sep 12, 1972 · N9734C · Minor damage
- [NTSB OAK72DVA05](https://openairdocs.org/ntsb/OAK72DVA05-201443.md): Maule M-4 · Lone Pine, CA · Accident · No injuries · Closed · Jul 9, 1972 · N40319 · Substantial damage
- [NTSB OAK71DVA46](https://openairdocs.org/ntsb/OAK71DVA46.md): Hiller Acft UH-12C · Fresno, CA · Accident · No injuries · Closed · Dec 16, 1970 · N5315V · Substantial damage
- [NTSB LAX71FUA38](https://openairdocs.org/ntsb/LAX71FUA38.md): Siai-Marche 20522R · Hntngtn Bch, CA · Accident · No injuries · Closed · Dec 16, 1970 · N992WA · Substantial damage
- [NTSB LAX71DVA47](https://openairdocs.org/ntsb/LAX71DVA47.md): Siai-Marche S-205 · Bakersfield, CA · Accident · No injuries · Closed · Dec 5, 1970 · N970WA · Substantial damage
- [NTSB OAK71DVA41](https://openairdocs.org/ntsb/OAK71DVA41.md): Maule M4-220 · Visalia, CA · Accident · No injuries · Closed · Nov 22, 1970 · N2047U · Substantial damage
- [NTSB OAK71AP010](https://openairdocs.org/ntsb/OAK71AP010.md): Maule M4-220 · San Ardo, CA · Accident · 1 fatal · Closed · Aug 22, 1970 · N2002U · Destroyed
- [NTSB OAK70D0122](https://openairdocs.org/ntsb/OAK70D0122.md): Hiller Acft UH-12B · Watsonville, CA · Accident · No injuries · Closed · Sep 11, 1969 · N4785C · Substantial damage
- [NTSB LAX69F0076](https://openairdocs.org/ntsb/LAX69F0076.md): Siai-Marche S205 · Santee, CA · Accident · No injuries · Closed · Aug 8, 1968 · N970WA · Substantial damage
- [NTSB OAK68D0315](https://openairdocs.org/ntsb/OAK68D0315.md): Maule M-4 · San Ardo, CA · Accident · No injuries · Closed · Feb 25, 1968 · N2002U · Substantial damage
- [NTSB LAX68A0010](https://openairdocs.org/ntsb/LAX68A0010.md): Bell 47H-1 · San Brndino, CA · Accident · Serious injuries · Closed · Jul 20, 1967 · N1211 · Substantial damage
- [NTSB LAX66A0083](https://openairdocs.org/ntsb/LAX66A0083.md): Bell 47G · Santa Susana, CA · Accident · Minor injuries · Closed · May 6, 1966 · N2473B · Substantial damage
- [NTSB UNK64X2162](https://openairdocs.org/ntsb/UNK64X2162.md): Cessna 172 · Sunset Beach, CA · Accident · No injuries · Closed · Jun 7, 1964 · N3859S · Substantial damage
- [NTSB UNK64X0705](https://openairdocs.org/ntsb/UNK64X0705.md): Hiller UH12C · Chatsworth, CA · Accident · No injuries · Closed · Feb 27, 1964 · N5315V · 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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27043'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27043&state=CA

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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.
