# NTSB investigations: Franklin 6V4 series: In flight collision with terrain/water

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 LAX96FA045](https://openairdocs.org/ntsb/LAX96FA045.md): Bell 47D1 · Shafter, CA · Accident · 2 fatal · Field investigation · Final report · Nov 12, 1995 · N78900 · Destroyed
  > the pilot misjudged the altitude and ground clearance while performing an unwarranted low altitude flight maneuver.
- [NTSB MIA93LA144](https://openairdocs.org/ntsb/MIA93LA144.md): Bell 47G · Panama City, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 1993 · N3628G · Substantial damage
  > Improper planning/decision by the pilot-in-command and his failure to maintain rotor RPM, which resulted in failure of the helicopter to attain effective translational lift. Factors related to the accident were: the fence & terrain conditions.
- [NTSB LAX88LA160](https://openairdocs.org/ntsb/LAX88LA160.md): Bell 47D1 · Taft, CA · Accident · No injuries · Limited investigation · Final report · Apr 13, 1988 · N917B · Substantial damage
- [NTSB ATL87LA204](https://openairdocs.org/ntsb/ATL87LA204.md): Bell 47D1 · Huntsville, AL · Accident · No injuries · Limited investigation · Final report · Jul 8, 1987 · N908B · Substantial damage
  > The aerial application flight was dispensing insecticides on a cotton field. While maneuvering to avoid powerlines during the procedure turnaround following an upwind swath run, the pilot failed to maintain sufficient airspeed to ensure effective…
- [NTSB LAX85LA079](https://openairdocs.org/ntsb/LAX85LA079.md): Bell 47G · Chatsworth, CA · Accident · No injuries · Limited investigation · Final report · Dec 22, 1984 · N182JR · Destroyed
  > The plt was practicing off airport touch & go's. on the second lndg the left skid contacted a hidden dirt embankment andthe acft rolled over. A post impact fire consumed the aircraft. Both certificated commercial plts aboard the helicopter escaped unharmed.…
- [NTSB FTW82DA198](https://openairdocs.org/ntsb/FTW82DA198.md): Bell 47D1 · Jonesboro, AR · Accident · No injuries · Final report · May 25, 1982 · N6851 · Destroyed
  > After loading 40 gallons of herbicide on the aircraft the pilot attempted to lift off the back of the loading truck. The takeoff was normal; however, as the helicopter cleared the truck, it was not able to sustain a hover. The pilot then executed a running…
- [NTSB FTW82DA189](https://openairdocs.org/ntsb/FTW82DA189.md): Bell 47D-1 · Harrisburg, AR · Accident · No injuries · Final report · May 20, 1982 · N93067 · Substantial damage
  > During an agricultural spraying operation the pilot turned downwind and the tail rotor struck a rice dike. The pilot lost control and the aircraft landed hard. The main rotor severed the tail boom. Investigation revealed the aircraft had been loaded within…

## 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')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 230))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27033&occurrence=230

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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.