# NTSB investigations, WI: Physical environment

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.

Page 1 of 3 · 103 cases

## Latest cases

- [NTSB CEN26LA121](https://openairdocs.org/ntsb/CEN26LA121.md): Cessna 140 · Antigo, WI · Accident · No injuries · Class 4 · Limited · Final report · Feb 16, 2026 · N2221V · Substantial damage
  > The pilot receiving instruction’s failure to maintain directional control during the landing. Contributing to the accident was the flight instructor’s delayed remedial action.
- [NTSB CEN26LA035](https://openairdocs.org/ntsb/CEN26LA035.md): Cessna 172 · Grantsburg, WI · Accident · No injuries · Class 4 · Limited · Final report · Nov 5, 2025 · N9490H · Substantial damage
  > The collision with a white-tail deer during the landing in dark night visual conditions.
- [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 CEN24LA294](https://openairdocs.org/ntsb/CEN24LA294.md): Mooney M20J · Appleton, WI · Incident · No injuries · Class 4 · Limited · Final report · Jul 24, 2024 · N555ED · Minor damage
  > The pilot’s failure to maintain adequate wingtip clearance while taxiing. Contributing to the accident was the ambiguous nonstandard parking at the time of the incident.
- [NTSB CEN24LA275](https://openairdocs.org/ntsb/CEN24LA275.md): Bell 206B · Cuba City, WI · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 21, 2024 · N67110 · Substantial damage
  > The pilot’s failure to maintain clearance from a wire during an agricultural application pass.
- [NTSB CEN23LA329](https://openairdocs.org/ntsb/CEN23LA329.md): Varga 2150A · Green Lake, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 27, 2023 · N5601G · Substantial damage
  > A loss of engine power due to fuel exhaustion, which resulted from the pilot’s inadequate preflight planning.
- [NTSB CEN23LA272](https://openairdocs.org/ntsb/CEN23LA272.md): Six Chuter SR7 XL · Chetek, WI · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 2, 2023 · N6365A · Substantial damage
  > The pilot’s failure to maintain aircraft control during initial climb which resulted in an impact with a pole, trees, and terrain.
- [NTSB CEN23LA098](https://openairdocs.org/ntsb/CEN23LA098.md): Cessna 120 · Eagle River, WI · Accident · No injuries · Class 4 · Limited · Final report · Jan 25, 2023 · N73034 · Substantial damage
  > The pilot’s decision to takeoff from an unsuitable surface which resulted in collision with an object.
- [NTSB CEN22LA441](https://openairdocs.org/ntsb/CEN22LA441.md): Piper PA-28-180 · Shell Lake, WI · Accident · No injuries · Class 4 · Limited · Final report · Sep 29, 2022 · N5152S · Substantial damage
  > A collision with a deer during landing, which resulted in substantial damage to the left wing.
- [NTSB CEN22LA221](https://openairdocs.org/ntsb/CEN22LA221.md): Cameron Balloons Z-90 · Burlington, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 2, 2022 · N65009 · Substantial damage
  > The pilot’s selection of an inappropriate landing location and his failure to avoid an oncoming freight train, which resulted in the train colliding with and dragging the balloon.
- [NTSB CEN22LA141](https://openairdocs.org/ntsb/CEN22LA141.md): Cessna 150M · Brodhead, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 13, 2022 · N63246 · Substantial damage
  > A loss of engine power due to the fatigue fracture of the No. 1 cylinder’s rocker shaft bosses, which resulted in a forced landing into uneven terrain.
- [NTSB CEN22LA112](https://openairdocs.org/ntsb/CEN22LA112.md): Vans RV4 · Hortonville, WI · Accident · No injuries · Class 4 · Limited · Final report · Jan 29, 2022 · N544WM · Substantial damage
  > The loss of direction control while maneuvering off the plowed surface to avoid a collision with a vehicle.
- [NTSB CEN22LA092](https://openairdocs.org/ntsb/CEN22LA092.md): Cessna 172L · Minocqua, WI · Accident · No injuries · Class 4 · Limited · Final report · Jan 3, 2022 · N4209Q · Substantial damage
  > The pilot’s loss of control during landing when the airplane encountered ice and snow on the runway.
- [NTSB CEN21LA398](https://openairdocs.org/ntsb/CEN21LA398.md): Segarra Lucas JR Zenith Stoll 701 · Grantsburg, WI · Accident · No injuries · Class 4 · Limited · Final report · Sep 1, 2021 · N705L · Substantial damage
  > The pilot’s improper landing flare, which resulted in abnormal runway contact and the nose landing gear collapsing.
- [NTSB CEN21LA333](https://openairdocs.org/ntsb/CEN21LA333.md): Boeing E75 · Baraboo, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 23, 2021 · N51CF · Substantial damage
  > The pilot’s failure to maintain clearance from the fence while on final approach.
- [NTSB CEN21LA127](https://openairdocs.org/ntsb/CEN21LA127.md): Cessna 172N · Prairie du Sac, WI · Accident · No injuries · Class 4 · Limited · Final report · Feb 12, 2021 · N3477E · Substantial damage
  > The student pilot’s loss of directional control during takeoff, which resulted in the collision with a snowbank. Contributing to the accident was the compacted snow conditions on the runway surface.
- [NTSB CEN20LA436](https://openairdocs.org/ntsb/CEN20LA436.md): Piper J3 · Hartford, WI · Accident · No injuries · Class 4 · Limited · Final report · Aug 30, 2020 · N88204 · Substantial damage
  > The pilot’s loss of situation awareness which resulted in landing in a grass area and the subsequent collision with a runway marker.
- [NTSB CEN20LA329](https://openairdocs.org/ntsb/CEN20LA329.md): Piper PA22 · Burlington, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 9, 2020 · N6849B · Substantial damage
  > A partial loss of engine power due to the formation of carburetor ice while on the ground, which resulted in reduced climb capability and impact with trees during the initial climb.
- [NTSB CEN20CA300](https://openairdocs.org/ntsb/CEN20CA300.md): Robinson R44 · Dickeyville, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jul 20, 2020 · N570WH · Substantial damage
  > The pilot did not maintain clearance from wires during an aerial application flight.
- [NTSB CEN20LA125](https://openairdocs.org/ntsb/CEN20LA125.md): Mitsubishi MU 2B-40 · Chilton, WI · Accident · No injuries · Class 3 · Limited · Final report · Jan 29, 2020 · N425GZ · Substantial damage
  > The pilot's decision to land on the turf runway with insufficient landing performance and his subsequent loss of control during the landing roll.
- [NTSB GAA19CA245](https://openairdocs.org/ntsb/GAA19CA245.md): Ercoupe 415 C · Rosendale, WI · Accident · No injuries · Data collection · Final report · May 6, 2019 · N2101H · Substantial damage
  > The pilot's selection of unsuitable terrain for an off-airport precautionary landing, which resulted in impact with a fence and a nose-over.
- [NTSB GAA19CA157](https://openairdocs.org/ntsb/GAA19CA157.md): Piper PA22 · Superior, WI · Accident · No injuries · Data collection · Final report · Mar 7, 2019 · N522DN · Substantial damage
  > The pilot's failure to maintain directional control during landing on a snow- and ice-covered runway, which resulted in impact with a snowbank and a nose-over.
- [NTSB GAA19CA143](https://openairdocs.org/ntsb/GAA19CA143.md): Cessna 421 · Woodruff, WI · Accident · No injuries · Data collection · Final report · Feb 10, 2019 · N581CJ · Substantial damage
  > The pilot's failure to maintain to directional control during takeoff from a snow-covered runway with a right, quartering tailwind, which resulted in a runway excursion and impact with a snowbank.
- [NTSB CEN19TA075](https://openairdocs.org/ntsb/CEN19TA075.md): MBB BK117 · Strum, WI · Accident · Minor injuries · Final report · Dec 25, 2018 · N145EC · Substantial damage
  > The pilot's failure to maintain clearance from the fire truck.
- [NTSB CEN19LA045](https://openairdocs.org/ntsb/CEN19LA045.md): Brandt Sonex · Lodi, WI · Accident · Serious injuries · Limited investigation · Final report · Dec 15, 2018 · N393SX · Substantial damage
  > The pilot's failure to maintain proper alignment with the runway during final approach, which resulted in impact with a tree.
- [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 GAA18CA490](https://openairdocs.org/ntsb/GAA18CA490.md): Cessna 172 · DePere, WI · Accident · Serious injuries · Data collection · Final report · Aug 14, 2018 · N1085U · Substantial damage
  > The pilot’s failure to maintain lateral control and his subsequent failure to maintain the runway heading during an attempted go-around, which resulted in impact with trees.
- [NTSB CEN18CA293](https://openairdocs.org/ntsb/CEN18CA293.md): Just JA30 Superstol · Oshkosh, WI · Accident · Minor injuries · Data collection · Final report · Jul 24, 2018 · N45FT · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the initial climb and his exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB CEN18CA291](https://openairdocs.org/ntsb/CEN18CA291.md): Quad City Challenger · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 23, 2018 · N1666R · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during the base to final turn and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB GAA18CA432](https://openairdocs.org/ntsb/GAA18CA432.md): Piper PA28 · Oregon, WI · Accident · No injuries · Data collection · Final report · Jul 19, 2018 · N9267H · Substantial damage
  > The pilot's improper decision to take off with a known brake malfunction, which resulted in a collision with a barn during landing on a wet runway.
- [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 CEN18FA215](https://openairdocs.org/ntsb/CEN18FA215.md): Robinson Helicopter R44 · Oshkosh, WI · Accident · 1 fatal · Field investigation · Final report · Jun 9, 2018 · N529DW · Substantial damage
  > The pilot's decision to fly over the river at a low altitude and his failure to maintain clearance with wires during low-level flight.
- [NTSB GAA18CA221](https://openairdocs.org/ntsb/GAA18CA221.md): Cessna 120 · Iola, WI · Accident · No injuries · Data collection · Final report · Apr 21, 2018 · N1807V · Substantial damage
  > The pilot’s decision to reject the takeoff from a snow-covered grass surface, which resulted in a nose-over.
- [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 GAA17CA523](https://openairdocs.org/ntsb/GAA17CA523.md): Taylorcraft BC12 · Redgranite, WI · Accident · No injuries · Data collection · Final report · Sep 7, 2017 · N95356 · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB GAA17CA491](https://openairdocs.org/ntsb/GAA17CA491.md): Robinson Helicopter R44 · Westby, WI · Accident · No injuries · Data collection · Final report · Aug 14, 2017 · N97UP · Substantial damage
  > The pilot's failure to see and avoid power lines while maneuvering at low altitude.
- [NTSB CEN17FA287](https://openairdocs.org/ntsb/CEN17FA287.md): Aerofab Lake LA 4 250 · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jul 28, 2017 · N1400P · Substantial damage
  > The pilot's failure to properly configure the airplane for takeoff and his decision to takeoff with a tailwind in unfavorable water conditions, which resulted in the airplane entering an aerodynamic stall and the pilot losing control.
- [NTSB GAA17CA420](https://openairdocs.org/ntsb/GAA17CA420.md): Costruzioni Aeronautiche Tecna P2008 · Lone Rock, WI · Accident · No injuries · Data collection · Final report · Jul 18, 2017 · N445X · Substantial damage
  > The student pilot’s improper landing flare, which resulted in a bounced landing and subsequent loss of directional control and runway excursion during the aborted landing. Contributing to the improper landing flare was the student’s distraction by a deer…
- [NTSB GAA17CA412](https://openairdocs.org/ntsb/GAA17CA412.md): Mooney M20C · Washington Island, WI · Accident · No injuries · Data collection · Final report · Jul 15, 2017 · N9303V · Substantial damage
  > The pilot's failure to maintain a proper approach path, which resulted in impact with trees.
- [NTSB GAA17CA278](https://openairdocs.org/ntsb/GAA17CA278.md): Reims Cessna FR172 · De Pere, WI · Accident · Minor injuries · Data collection · Final report · May 13, 2017 · N42588 · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff with a tailwind.
- [NTSB GAA17CA244](https://openairdocs.org/ntsb/GAA17CA244.md): Beech 99 · Waukesha, WI · Accident · No injuries · Data collection · Final report · Apr 24, 2017 · N899CZ · Substantial damage
  > An in-flight collision with a bird during the approach.
- [NTSB CEN17LA090](https://openairdocs.org/ntsb/CEN17LA090.md): Cessna 172B · Prairie Du Sac, WI · Accident · No injuries · Limited investigation · Final report · Dec 28, 2016 · N6941X · Substantial damage
  > The pilot's decision to taxi the airplane from the roadway and his subsequent failure to maintain clearance from signs and a fence after a successful emergency landing following a total loss of engine power.
- [NTSB GAA17CA070](https://openairdocs.org/ntsb/GAA17CA070.md): Robinson Helicopter R44 · Stone Lake, WI · Accident · Minor injuries · Data collection · Final report · Nov 12, 2016 · N744JS · Substantial damage
  > The pilot’s failure to maintain lateral control while in a hover and the helicopter’s subsequent impact with a tree.
- [NTSB GAA16CA476](https://openairdocs.org/ntsb/GAA16CA476.md): Luscombe 8 · Juneau, WI · Accident · No injuries · Data collection · Final report · Sep 10, 2016 · N1263K · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in gusting crosswind conditions, which resulted in a runway excursion. Contributing to the accident was the foot pad cover slipping off the right rudder pedal during the landing roll.
- [NTSB CEN16LA302](https://openairdocs.org/ntsb/CEN16LA302.md): Sonex Waiex · Fond du Lac, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 2016 · N12YX · Substantial damage
  > A partial loss of engine for reasons that could not be determined during an examination of the engine.
- [NTSB CEN16LA309](https://openairdocs.org/ntsb/CEN16LA309.md): Cessna 172K · Neenah, WI · Accident · No injuries · Limited investigation · Final report · Aug 2, 2016 · N46459 · Substantial damage
  > A loss of engine power due to oil starvation, which resulted from the pilot, who was not a certified airframe and powerplant mechanic, removing the vacuum pump from the engine, and his misconception that he could operate the airplane without the pump.
- [NTSB CEN16LA288](https://openairdocs.org/ntsb/CEN16LA288.md): Cessna 208B · Baldwin, WI · Accident · No injuries · Limited investigation · Final report · Jul 21, 2016 · N7581F · Substantial damage
  > The pilot's decision to land the fully loaded parachutist drop airplane on a wet grass runway that had insufficient length for the landing in high temperature conditions, which resulted in a runway overrun, when a more suitable longer runway was available at…
- [NTSB GAA16CA323](https://openairdocs.org/ntsb/GAA16CA323.md): Mooney M20 · Reedsburg, WI · Accident · Minor injuries · Data collection · Final report · Jun 17, 2016 · N9139U · Substantial damage
  > The pilot's long landing and failure to stop the airplane on the runway, resulting in an overrun, impact with a fence, and substantial damage to the airplane.
- [NTSB GAA16CA292](https://openairdocs.org/ntsb/GAA16CA292.md): Aeronca 7BCM · Rochester, WI · Accident · No injuries · Data collection · Final report · Jun 8, 2016 · N1127N · Substantial damage
  > The pilot's failure to maintain directional control during the landing, which resulted in a runway excursion, left main landing gear collapse, and a nose down. Contributing to the accident was the wind shift.

Next page: https://openairdocs.org/ntsb-findings/0302/cases.md?state=WI&page=2

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '0302'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/0302/cases?state=WI

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