# NTSB investigations, WI: Miscellaneous/other

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 CEN25LA249](https://openairdocs.org/ntsb/CEN25LA249.md): Piper J3C-65 · Howard, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 13, 2025 · N88220 · Substantial damage
  > The pilot’s failure to maintain control of the airplane while on approach to land.
- [NTSB CEN25LA196](https://openairdocs.org/ntsb/CEN25LA196.md): Gallow Daniel A Kitfox Classic IV · Waupaca, WI · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 5, 2025 · N755SD · Substantial damage
  > The pilot’s failure to maintain adequate air speed during final approach, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB CEN24LA288](https://openairdocs.org/ntsb/CEN24LA288.md): Piper PA-28R-180 · Ft. Atkinson, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2024 · N980BL · Substantial damage
  > The pilot’s failure to extend the landing gear before landing due to distractions and his failure to conduct the Before Landing checklist.
- [NTSB CEN22LA302](https://openairdocs.org/ntsb/CEN22LA302.md): Pitts S1 · Sturgeon Bay, WI · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 1, 2022 · N23RS · Substantial damage
  > The pilot’s failure to maintain airplane control during landing, which resulted in a runway excursion and nose over. Contributing to the accident was the pilot’s inadequate preflight inspection and the pilot’s lack of flight control system knowledge.
- [NTSB GAA19CA074](https://openairdocs.org/ntsb/GAA19CA074.md): Cirrus SR22 · Sand Creek, WI · Accident · No injuries · Data collection · Final report · Nov 21, 2018 · N579CP · Substantial damage
  > The mechanic's failure to properly secure the air reference line, which resulted in a loss of engine power.
- [NTSB GAA18CA546](https://openairdocs.org/ntsb/GAA18CA546.md): Piper PA28 · De Pere, WI · Accident · No injuries · Data collection · Final report · Sep 7, 2018 · N7595R · Substantial damage
  > The pilot's improper decision not to abort the takeoff after the airplane encountered standing water on the runway, which decreased its speed and led to its subsequent inability to climb and resulted in a runway overrun.
- [NTSB WPR18FA200](https://openairdocs.org/ntsb/WPR18FA200.md): De Havilland DH112 Venom · Sheboygan, WI · Accident · 1 fatal · Field investigation · Final report · Jul 20, 2018 · N747J · Destroyed
  > The airplane's encounter with wake turbulence from the lead airplane in the formation flight, which resulted in a compressor stall and the airplane's subsequent inability to climb.
- [NTSB GAA18CA400](https://openairdocs.org/ntsb/GAA18CA400.md): Champion 8GCBC · Waunakee, WI · Accident · No injuries · Data collection · Final report · Jul 6, 2018 · N114JM · Substantial damage
  > The pilot’s failure to maintain clearance from tall corn along the edge of the airstrip during takeoff.
- [NTSB GAA18CA329](https://openairdocs.org/ntsb/GAA18CA329.md): Dobbs George Coot · Malone, WI · Accident · No injuries · Data collection · Final report · Jun 7, 2018 · N100TN · Substantial damage
  > The pilot’s improper decision to take off with a known structural issue, which resulted in hull damage.
- [NTSB CEN18LA121](https://openairdocs.org/ntsb/CEN18LA121.md): Hughes 369D · Blair, WI · Accident · Serious injuries · Limited investigation · Final report · Mar 7, 2018 · N499SL · No damage
  > The pilot’s failure to recognize and compensate for hazards during the external load operation, which led to a collision between a lineman (external load) and a powerline.
- [NTSB CEN18LA038](https://openairdocs.org/ntsb/CEN18LA038.md): Piper / Laudeman J3C 65 · Palmyra, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 2017 · N11188 · Substantial damage
  > The pilot’s inadvertent pulling of the fuel shutoff valve, which resulted in a total loss of engine power and a subsequent forced landing into trees. Contributing to the pilot’s inadvertent pulling of the fuel shutoff valve were habit patterns he had…
- [NTSB GAA17LA090](https://openairdocs.org/ntsb/GAA17LA090.md): Piper PA28R · Watertown, WI · Accident · No injuries · Limited investigation · Final report · Nov 5, 2016 · N300KR · Substantial damage
  > The pilot’s failure to attain a proper glidepath on approach for landing, which resulted in impact with trees. Contributing to the accident was a partial, temporary loss of engine power for reasons that could not be determined because postaccident examination…
- [NTSB CEN16LA274](https://openairdocs.org/ntsb/CEN16LA274.md): Chance Vought F4U 5 · East Troy, WI · Accident · No injuries · Limited investigation · Final report · Jul 19, 2016 · N179PT · Substantial damage
  > A failure of the O-ring in the left brake master cylinder for reasons that could not be determined, which resulted in a loss of directional control during landing.
- [NTSB GAA15CA122](https://openairdocs.org/ntsb/GAA15CA122.md): Continental Copters Tomcat MK5A · Elk Mound, WI · Accident · No injuries · Data collection · Final report · Jun 14, 2015 · N9045T · Substantial damage
  > The pilot's failure to maintain a positive rate of climb after taking off from the service truck, which resulted in the helicopter impacting terrain.
- [NTSB CEN15LA242](https://openairdocs.org/ntsb/CEN15LA242.md): Bellanca 8KCAB · Superior, WI · Accident · No injuries · Limited investigation · Final report · May 27, 2015 · N102EC · Substantial damage
  > A stuck aileron due to a battery that had become jammed in the aileron bell crank.
- [NTSB CEN12IA498](https://openairdocs.org/ntsb/CEN12IA498.md): American Champion 8KCAB · Oshkosh, WI · Incident · No injuries · Incident investigation · Final report · Jul 26, 2012 · N60GK · No damage
  > The failure of the pilot’s seat bottom frame due to the manufacturer’s improper production, installation, and inspection of that seat bottom, which resulted in a temporary loss of control during an air show performance.
- [NTSB CEN11CA586](https://openairdocs.org/ntsb/CEN11CA586.md): Cessna TU206G · Shawno, WI · Accident · Minor injuries · Data collection · Final report · Aug 21, 2011 · N12TL · Substantial damage
  > The pilot's loss of control on final approach, while maneuvering to avoid birds.
- [NTSB CEN09CA078](https://openairdocs.org/ntsb/CEN09CA078.md): Cessna 172S · Waukesha, WI · Accident · No injuries · Data collection · Final report · Nov 26, 2008 · N833SP · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff and his failure to ensure that the elevator trim was properly set before takeoff. Contributing to the accident was the pilot's lack of autopilot system knowledge.

## 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" = '900' 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/900/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.
