# NTSB investigations, WI: Controlled flight into terr/obj (CFIT)

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 CEN25LA211](https://openairdocs.org/ntsb/CEN25LA211.md): Cessna U206 · Falun, WI · Accident · No injuries · Class 4 · Limited · Final report · Jun 18, 2025 · N932DB · Substantial damage
  > The pilot experiencing the featureless terrain illusion during the approach which gave the perception that the airplane was at a higher altitude over the glassy water surface than it was, resulting in the airplane impacting the water.
- [NTSB CEN24FA024](https://openairdocs.org/ntsb/CEN24FA024.md): Lancair 320 · Manitowoc, WI · Accident · 1 fatal · Class 3 · Field · Final report · Oct 25, 2023 · N320P · Substantial damage
  > The pilot’s decision to continue the visual flight rules flight into instrument meteorological conditions and failure to maintain clearance from trees and terrain during an unapproved instrument approach. Contributing to the accident was the pilot’s…
- [NTSB CEN20CA275](https://openairdocs.org/ntsb/CEN20CA275.md): Condor Condor · Freedom, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jul 5, 2020 · N3502X · Substantial damage
  > The pilot's failure to initiate a climb in a timely manner which resulted in contact with wires.
- [NTSB CEN16FA373](https://openairdocs.org/ntsb/CEN16FA373.md): Cessna 182 · Ephraim, WI · Accident · 2 fatal · Field investigation · Final report · Sep 19, 2016 · N2012F · Destroyed
  > The pilot's improper decision to execute a maneuvering approach at low altitude during night conditions, which resulted in controlled flight into terrain.
- [NTSB CEN13CA316](https://openairdocs.org/ntsb/CEN13CA316.md): Sheldrick John H RV-6 · Brookfield, WI · Accident · No injuries · Data collection · Final report · Jun 4, 2013 · N77GT · Substantial damage
  > The pilot's failure to maintain runway alignment and his failure to recognize that the airplane had drifted away from the runway prior to landing.
- [NTSB CEN13LA016](https://openairdocs.org/ntsb/CEN13LA016.md): Beech A36 · Wausau, WI · Accident · Serious injuries · Limited investigation · Final report · Oct 17, 2012 · N121VP · Substantial damage
  > The pilot's decision to attempt an instrument approach in meteorological conditions below approach minimums and his failure to properly execute a missed approach.
- [NTSB CEN12LA661](https://openairdocs.org/ntsb/CEN12LA661.md): Lake LA4 · Kenosha, WI · Accident · No injuries · Limited investigation · Final report · Sep 27, 2012 · N1127L · Substantial damage
  > The loss of engine power for reasons that could not be determined because examination and test run of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN11LA456](https://openairdocs.org/ntsb/CEN11LA456.md): Condor Southern Powered Parach Raptor · Weyauwega, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2011 · N6012H · Minor damage
  > The pilot's failure to maintain sufficient altitude to clear power lines during flight.
- [NTSB CEN10LA529](https://openairdocs.org/ntsb/CEN10LA529.md): Piper Aerostar 601P · Baraboo, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 18, 2010 · N601PP · Substantial damage
  > The pilot's diverted attention during an approach for landing that resulted in an altitude loss and impact with terrain.
- [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.
- [NTSB CHI08FA135](https://openairdocs.org/ntsb/CHI08FA135.md): Piper PA-28-140 · Stevens Point, WI · Accident · 2 fatal · Field investigation · Final report · May 12, 2008 · N1813T · Substantial damage
  > The partial loss of engine power for undetermined reasons.
- [NTSB CHI08FA128](https://openairdocs.org/ntsb/CHI08FA128.md): Eurocopter Deutschland EC 135 T2+ · La Crosse, WI · Accident · 3 fatal · Field investigation · Final report · May 11, 2008 · N135UW · Destroyed
  > The pilot’s failure to maintain clearance from trees along the top of a ridgeline due to inadequate preflight planning, insufficient altitude, and the lack of a helicopter terrain awareness and warning system. Member Sumwalt did not approve this brief and…

## 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" = '120' 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/120/sequence?state=WI

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