# NTSB investigations, WI: VFR encounter with IMC

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 CEN22FA013](https://openairdocs.org/ntsb/CEN22FA013.md): New Glasair Glastar · Waukesha, WI · Accident · 2 fatal · Class 3 · Field · Final report · Oct 12, 2021 · N628RS · Destroyed
  > The noninstrument-rated pilot’s decision to depart and continue flight into instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation.
- [NTSB CEN21FA297](https://openairdocs.org/ntsb/CEN21FA297.md): Earthstar Gull 2000 · Curtiss, WI · Accident · 1 fatal · Class 3 · Field · Final report · Jun 30, 2021 · N1712L · Substantial damage
  > The non-instrument-rated pilot’s decision to depart into instrument meteorological conditions with dense fog and low clouds, which resulted in spatial disorientation and a loss of airplane control. Contributing to the accident was the pilot’s self-imposed…
- [NTSB CEN15FA027](https://openairdocs.org/ntsb/CEN15FA027.md): Cessna T210M · Bay City, WI · Accident · 1 fatal · Field investigation · Final report · Oct 24, 2014 · N761SU · Destroyed
  > The non-instrument rated pilot’s continued visual flight into instrument flight rules conditions, which resulted in an in-flight loss of control.
- [NTSB CEN11FA240](https://openairdocs.org/ntsb/CEN11FA240.md): Cessna 150D · Baraboo, WI · Accident · 2 fatal · Field investigation · Final report · Mar 20, 2011 · N4178U · Substantial damage
  > The student pilot’s inadequate preflight planning and his decision to continue the flight into instrument meteorological conditions, which resulted in a subsequent loss of airplane control.
- [NTSB CEN09FA340](https://openairdocs.org/ntsb/CEN09FA340.md): Gulfstream American AA-5B · Humbird, WI · Accident · 2 fatal · Field investigation · Final report · Jun 7, 2009 · N448DM · Substantial damage
  > The pilot's decision to attempt a visual flight rules flight into an area of known instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation.
- [NTSB CHI08FA293](https://openairdocs.org/ntsb/CHI08FA293.md): Robinson R44 II · Kenosha, WI · Accident · 2 fatal · Field investigation · Final report · Sep 21, 2008 · N999ZD · Destroyed
  > The pilots failure to maintain clearance from terrain resulting in an in-flight collision with a house. Contributing to the accident was the night instrument meteorological conditions (IMC) and the pilot's lack of experience of flying in IMC.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '401' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/401/sequence?state=WI

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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.