# NTSB investigations: Franklin 6VS-335 series, GA

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 ATL07LA045](https://openairdocs.org/ntsb/ATL07LA045.md): Hiller UH-12A · Bethlehem, GA · Accident · 2 fatal · Limited investigation · Final report · Feb 24, 2007 · N8180H · Substantial damage
  > The pilot's failure to maintain adequate rotor rpm, which resulted in an attempted autorotation and in-flight collision with trees. Contributing to the severity of the accident was the pilot exceeding the helicopters takeoff capability.
- [NTSB MIA01LA085](https://openairdocs.org/ntsb/MIA01LA085.md): Hiller UH-12B · Whitesburg, GA · Accident · No injuries · Limited investigation · Final report · Feb 24, 2001 · N5307V · Substantial damage
  > The improper emergency procedure performed by the pilot due to his electing to perform a run-on landing resulting in excessive airspeed at touchdown and subsequent roll-over following ground contact with grass. A contributing factor was the inadequate…
- [NTSB ATL83LA315](https://openairdocs.org/ntsb/ATL83LA315.md): Bell 47D1 · Moultrie, GA · Accident · Minor injuries · Limited investigation · Final report · Aug 6, 1983 · N68632 · Substantial damage
  > After completing a swath run, the plt pulled up, made a turn, then started a let down for another pass. As he increased power, the eng RPM went from 3000 to 3100. At the same time, the plt heard a whining noise and noted that the rotor RPM was decreasing. The…

## 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" = 'GA' 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 ('27040'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27040&state=GA

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