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

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 ERA22LA069](https://openairdocs.org/ntsb/ERA22LA069.md): K Copters 47G-2 · Lancaster, PA · Accident · Serious injuries · Class 4 · Limited · Final report · Nov 20, 2021 · N210JB · Substantial damage
  > The flight instructor’s failure to ensure a positive transfer of aircraft control, which resulted in a loss of control and collision with terrain.
- [NTSB NYC87LA129](https://openairdocs.org/ntsb/NYC87LA129.md): Bell 47G · Bethel, PA · Accident · No injuries · Limited investigation · Final report · Apr 20, 1987 · N59321 · Substantial damage
  > The student pilot lost directional control of the helicopter and as the instructor pilot attempted to regain control, the main rotor blades struck the ground causing substantial damage to the aircraft.
- [NTSB NYC76FGT27](https://openairdocs.org/ntsb/NYC76FGT27.md): Bell 47D1 · Zion Grove, PA · Accident · No injuries · Closed · Aug 18, 1976 · N919B · Substantial damage
- [NTSB NYC66A0070](https://openairdocs.org/ntsb/NYC66A0070.md): Bell Cntntl · Philadelphia, PA · Accident · No injuries · Closed · Jan 7, 1966 · N73872 · 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" = 'PA' 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=PA

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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.