# Fatal NTSB investigations: Franklin 6V 350 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.

## Latest cases

- [NTSB ERA17FA164](https://openairdocs.org/ntsb/ERA17FA164.md): Bell-Carson 47G Super C 4 · Timmonsville, SC · Accident · 1 fatal · Field investigation · Final report · Apr 21, 2017 · N865Z · Destroyed
  > The pilot's decision to maneuver the helicopter at a low altitude near trees, which resulted in collision with the trees.
- [NTSB ERA11FA021](https://openairdocs.org/ntsb/ERA11FA021.md): Siai-Marchetti S.205/22R · Farmingdale, NY · Accident · 1 fatal · Field investigation · Final report · Oct 17, 2010 · N934W · Substantial damage
  > A loss of engine power during a low approach for undetermined reasons.
- [NTSB WPR09FA176](https://openairdocs.org/ntsb/WPR09FA176.md): Maule M-4-220C · Hungry Horse, MT · Accident · 1 fatal · Field investigation · Final report · Apr 1, 2009 · N2007U · Destroyed
  > The pilot's improper decision to continue flight into an area of reduced visibility and snow showers during cruise flight, which resulted in the pilot's spatial disorientation and subsequent loss of aircraft control.
- [NTSB DFW07WA110](https://openairdocs.org/ntsb/DFW07WA110.md): Bell 47G · Ciudad Victoria, Mexico · Accident · 1 fatal · Foreign investigation · May 12, 2007 · N25802 · Substantial damage
- [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 CHI87FA139](https://openairdocs.org/ntsb/CHI87FA139.md): Bell 47G · Dayton, MN · Accident · 2 fatal · Field investigation · Final report · Jun 3, 1987 · N128B · Destroyed
  > Aircraft collided with terrain after tailboom structure failed because of internal corrosion. The aircraft was not registered at the time of the accident and the pilot/operator failed to assure that proper or timely preventive maintenance was performed on the…
- [NTSB ANC82FA037](https://openairdocs.org/ntsb/ANC82FA037.md): Maule M-4-220C · Homer, AK · Accident · 1 fatal · Field investigation · Final report · Apr 16, 1982 · N40343 · Destroyed
  > The pilot departed Homer airport on a special VFR clearance after being advised numerous times that VFR flight was not recommended. Shortly after takeoff (8 minutes) the aircraft dove out of the clouds and crashed near the airport. The pilot was not…
- [NTSB FTW78FA032](https://openairdocs.org/ntsb/FTW78FA032.md): Bell 47G · Eola, TX · Accident · 1 fatal · Closed · Mar 15, 1978 · N967B · Destroyed
- [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 ANC72AA043](https://openairdocs.org/ntsb/ANC72AA043.md): Maule M4220C · Cordova, AK · Accident · 2 fatal · Closed · Apr 25, 1972 · N2043U · Destroyed
- [NTSB OAK71AP010](https://openairdocs.org/ntsb/OAK71AP010.md): Maule M4-220 · San Ardo, CA · Accident · 1 fatal · Closed · Aug 22, 1970 · N2002U · Destroyed
- [NTSB MIA69F0149](https://openairdocs.org/ntsb/MIA69F0149.md): Bell 47G · Merigold, MS · Accident · 1 fatal · Closed · Sep 2, 1968 · N10175 · Destroyed

## 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."highestInjuryLevel" = 'Fatal'
  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&fatal=1

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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.