# NTSB investigations: Bell 47G-2A-1, WI

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 CHI93LA201](https://openairdocs.org/ntsb/CHI93LA201.md): Bell 47G-2A-1 · Phlox, WI · Accident · 1 fatal · Limited investigation · Final report · Jun 11, 1993 · N73988 · Destroyed
  > Was the pilot in command's failure to maintain aircraft control. A factor to the accident was the inadequate cyclic control.
- [NTSB CHI89FA165](https://openairdocs.org/ntsb/CHI89FA165.md): Bell 47G-2A-1 · Wisconsin Dells, WI · Accident · Serious injuries · Field investigation · Final report · Aug 14, 1989 · N49HB · Substantial damage
  > Attempt by the pilot to exceed the hover performance capabilities of the helicopter, and operating outside the weight and balance limitations. The pilot's overconfidence in the helicopter's ability and his subsequent failure to adequately prepare and plan…

## 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" = 'WI' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181014'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1181014&state=WI

---
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.