NTSB investigations, WI

184 cases where NTSB found Environmental issues.

Cases per year

20082026
NTSB investigations, WI per year, 2008–2026: 184 cases
200822
20097
201011
20119
201211
20136
201412
201512
201612
201715
201815
20196
20205
20218
202211
20237
202410
20253
20262

Latest cases

Query with SQL
duckdb -csv -c "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\", '03'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB CEN26LA125Accident · No injuriesClass 4 · LimitedFinal reportVans RV-12IS · Appleton, WIThe pilot’s failure to maintain proper airspeed during landing and exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and impact with the runway. Contributing to the accident was the flight instructor’s delayed…Feb 24, 2026 · N46TB · Substantial damageNTSB CEN26LA121Accident · No injuriesClass 4 · LimitedFinal reportCessna 140 · Antigo, WIThe pilot receiving instruction’s failure to maintain directional control during the landing. Contributing to the accident was the flight instructor’s delayed remedial action.Feb 16, 2026 · N2221V · Substantial damageNTSB CEN26LA035Accident · No injuriesClass 4 · LimitedFinal reportCessna 172 · Grantsburg, WIThe collision with a white-tail deer during the landing in dark night visual conditions.Nov 5, 2025 · N9490H · Substantial damageNTSB CEN25LA211Accident · No injuriesClass 4 · LimitedFinal reportCessna U206 · Falun, WIThe 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.Jun 18, 2025 · N932DB · Substantial damageNTSB CEN25LA153Accident · No injuriesClass 4 · LimitedFinal reportCessna 185 · Wausau, WIThe pilot’s failure to maintain directional control while landing in shifting wind conditions.Apr 7, 2025 · N1526F · Substantial damageNTSB CEN25LA053Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28R-200 · Boscobel, WIThe ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by…Dec 2, 2024 · N41997 · Substantial damageNTSB CEN25LA024Accident · No injuriesClass 4 · LimitedFinal reportPitts S-2A · Stoughton, WIThe pilot’s failure to maintain directional control during landing.Oct 19, 2024 · N11JC · Substantial damageNTSB CEN24LA356Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-12 · Cumberland, WIThe total loss of engine power due to carburetor icing and the pilot’s delayed use carburetor heat in weather conditions conducive to carburetor icing.Sep 12, 2024 · N7878M · Substantial damageNTSB CEN24LA322Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-32-260 · Chetek, WIThe pilot’s improper landing flare and hard landing.Aug 14, 2024 · N3613W · Substantial damageNTSB CEN24LA299Accident · No injuriesClass 4 · LimitedFinal reportCessna 177A · Palmyra, WIThe student pilot’s failure to maintain directional control during the landing with gusty wind conditions.Aug 2, 2024 · N30433 · Substantial damageNTSB WPR24LA253Accident · No injuriesClass 4 · LimitedFinal reportCanadian Car & Foundry Harvard MK IV · Oshkosh, WIThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.Jul 25, 2024 · N52494 · Substantial damageNTSB CEN24LA294Incident · No injuriesClass 4 · LimitedFinal reportMooney M20J · Appleton, WIThe 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.Jul 24, 2024 · N555ED · Minor damageNTSB CEN24LA275Accident · Minor injuriesClass 4 · LimitedFinal reportBell 206B · Cuba City, WIThe pilot’s failure to maintain clearance from a wire during an agricultural application pass.Jul 21, 2024 · N67110 · Substantial damageNTSB CEN24LA231Accident · No injuriesClass 4 · LimitedFinal reportFoskett James J CH 750 Cruiser · East Troy, WIThe pilot’s failure to maintain directional control during landing in gusting crosswind conditions.Jun 19, 2024 · N355VT · Substantial damageNTSB CEN24LA097Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 Beta · Kenosha, WIThe pilot’s failure to maintain control of the helicopter while landing.Jan 21, 2024 · N8350M · Substantial damageNTSB CEN24FA024Accident · 1 fatalClass 3 · FieldFinal reportLancair 320 · Manitowoc, WIThe 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…Oct 25, 2023 · N320P · Substantial damageNTSB CEN23FA369Accident · 1 fatalClass 3 · FieldFinal reportPiper J5A · Iola, WIThe pilot’s failure to maintain control of the airplane after landing on a grass taxiway with a tailwind, which resulted in a nose over.Aug 19, 2023 · N35417 · Substantial damageNTSB CEN23LA329Accident · Minor injuriesClass 3 · LimitedFinal reportVarga 2150A · Green Lake, WIA loss of engine power due to fuel exhaustion, which resulted from the pilot’s inadequate preflight planning.Jul 27, 2023 · N5601G · Substantial damageNTSB CEN23LA272Accident · Serious injuriesClass 4 · LimitedFinal reportSix Chuter SR7 XL · Chetek, WIThe pilot’s failure to maintain aircraft control during initial climb which resulted in an impact with a pole, trees, and terrain.Jul 2, 2023 · N6365A · Substantial damageNTSB CEN23FA239Accident · 2 fatalClass 3 · FieldFinal reportMooney M20R · Watertown, WIThe pilot’s loss of control due to spatial disorientation while operating in instrument meteorological conditions. Contributing to the accident was the pilot’s impairment from the prohibited substance; however, the extent of impairment could not be determined.Jun 14, 2023 · N1025C · DestroyedNTSB CEN23LA209Accident · No injuriesClass 4 · LimitedFinal reportKolb Firestar SS · Lodi, WIThe pilot’s failure to maintain control during takeoff.May 29, 2023 · N994TA · Substantial damageNTSB CEN23LA098Accident · No injuriesClass 4 · LimitedFinal reportCessna 120 · Eagle River, WIThe pilot’s decision to takeoff from an unsuitable surface which resulted in collision with an object.Jan 25, 2023 · N73034 · Substantial damageNTSB CEN22LA441Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28-180 · Shell Lake, WIA collision with a deer during landing, which resulted in substantial damage to the left wing.Sep 29, 2022 · N5152S · Substantial damageNTSB CEN22LA346Accident · No injuriesClass 4 · LimitedFinal reportMeschler Gary R RV-4 · Oshkosh, WIThe failure of the pilot of N694V (RV-8) to maintain clearance from the preceding airplane, N79KM (RV-4), while taxiing for takeoff, which resulted in an on-ground collision.Jul 28, 2022 · N79KM · 2 aircraft · Substantial damageNTSB CEN22LA440Accident · No injuriesClass 4 · LimitedFinal reportBeech C23 · Merrill, WIThe student pilot's failure to maintain adequate roll control during takeoff with a quartering tailwind.Jul 27, 2022 · N2240L · Substantial damageNTSB CEN22LA332Accident · Minor injuriesClass 4 · LimitedFinal reportCessna L-19E · Oshkosh, WIThe pilot’s failure to maintain directional control during the landing roll with a gusty crosswind.Jul 24, 2022 · N3946K · Substantial damageNTSB CEN22LA338Accident · No injuriesClass 4 · LimitedFinal reportWaco Classic YMF-5C · Oshkosh, WIThe pilot’s failure to maintain directional control during the landing roll with a tailwind.Jul 23, 2022 · N140W · Substantial damageNTSB CEN22LA337Accident · No injuriesClass 4 · LimitedFinal reportCessna 180J · Oshkosh, WIThe pilot’s failure to maintain directional control during the landing roll with a gusty crosswind.Jul 22, 2022 · N669CB · Substantial damageNTSB CEN22LA221Accident · Serious injuriesClass 3 · LimitedFinal reportCameron Balloons Z-90 · Burlington, WIThe 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.Jun 2, 2022 · N65009 · Substantial damageNTSB CEN22LA182Accident · No injuriesClass 4 · LimitedFinal reportPiper-Harris J3C-65 · Hartford, WIThe flight instructor lost control of the airplane while taxiing in gusty wind conditions.Apr 21, 2022 · N9721Y · Substantial damageNTSB CEN22LA141Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 150M · Brodhead, WIA 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.Mar 13, 2022 · N63246 · Substantial damageNTSB CEN22LA112Accident · No injuriesClass 4 · LimitedFinal reportVans RV4 · Hortonville, WIThe loss of direction control while maneuvering off the plowed surface to avoid a collision with a vehicle.Jan 29, 2022 · N544WM · Substantial damageNTSB CEN22LA092Accident · No injuriesClass 4 · LimitedFinal reportCessna 172L · Minocqua, WIThe pilot’s loss of control during landing when the airplane encountered ice and snow on the runway.Jan 3, 2022 · N4209Q · Substantial damageNTSB CEN22FA013Accident · 2 fatalClass 3 · FieldFinal reportNew Glasair Glastar · Waukesha, WIThe 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.Oct 12, 2021 · N628RS · DestroyedNTSB CEN21LA398Accident · No injuriesClass 4 · LimitedFinal reportSegarra Lucas JR Zenith Stoll 701 · Grantsburg, WIThe pilot’s improper landing flare, which resulted in abnormal runway contact and the nose landing gear collapsing.Sep 1, 2021 · N705L · Substantial damageNTSB CEN21LA336Accident · No injuriesClass 3 · LimitedFinal reportDriver RV-7 · Oshkosh, WIThe RV-8 pilot’s failure to account for the position of the RV-7 behind him during the landing roll in a staggered landing formation, which resulted in a ground collision of the two airplanes. Contributing to the accident was the self-induced pressure created…Jul 23, 2021 · N977RV · 2 aircraft · Substantial damageNTSB CEN21LA333Accident · No injuriesClass 4 · LimitedFinal reportBoeing E75 · Baraboo, WIThe pilot’s failure to maintain clearance from the fence while on final approach.Jul 23, 2021 · N51CF · Substantial damageNTSB CEN21FA297Accident · 1 fatalClass 3 · FieldFinal reportEarthstar Gull 2000 · Curtiss, WIThe 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…Jun 30, 2021 · N1712L · Substantial damageNTSB CEN21LA280Accident · No injuriesClass 4 · LimitedFinal reportCirrus Design SR22 · Hayward, WIThe pilot's failure to maintain directional control during landing with gusting wind.Jun 18, 2021 · N729SA · Substantial damageNTSB CEN21LA180Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 180 · Delavan, WIThe pilot’s failure to maintain control of the airplane during the landing roll with gusting crosswinds, which resulted in his excessive brake input and a subsequent nose over.Apr 3, 2021 · N1522C · Substantial damageNTSB CEN21LA127Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Prairie du Sac, WIThe 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.Feb 12, 2021 · N3477E · Substantial damageNTSB CEN20LA436Accident · No injuriesClass 4 · LimitedFinal reportPiper J3 · Hartford, WIThe pilot’s loss of situation awareness which resulted in landing in a grass area and the subsequent collision with a runway marker.Aug 30, 2020 · N88204 · Substantial damageNTSB CEN20LA329Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA22 · Burlington, WIA 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.Aug 9, 2020 · N6849B · Substantial damageNTSB CEN20CA300Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Dickeyville, WIThe pilot did not maintain clearance from wires during an aerial application flight.Jul 20, 2020 · N570WH · Substantial damageNTSB CEN20CA194Accident · No injuriesClass 4 · Data collectionFinal reportCessna 140 · Appleton, WIThe pilot's loss of control while landing a tailwheel airplane.May 26, 2020 · N90023 · Substantial damageNTSB CEN20LA125Accident · No injuriesClass 3 · LimitedFinal reportMitsubishi MU 2B-40 · Chilton, WIThe pilot's decision to land on the turf runway with insufficient landing performance and his subsequent loss of control during the landing roll.Jan 29, 2020 · N425GZ · Substantial damageNTSB CEN19CA237Accident · No injuriesData collectionFinal reportNorth American AT 6F · Oshkosh, WIThe pilot's loss of directional control during landing with a quartering tailwind, which resulted in a runway excursion and subsequent substantial damage.Jul 24, 2019 · N7976A · Substantial damageNTSB CEN19CA227Accident · No injuriesData collectionFinal reportVans RV-8 · Oshkosh, WIThe pilot’s failure to maintain adequate spacing from the lead airplane while landing following revised landing instructions, which necessitated that the pilot conduct an improper landing flare and resulted in a hard landing.Jul 20, 2019 · N143MS · Substantial damageNTSB CEN19LA188Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 560 · Janesville, WIThe passenger’s decision to unbuckle her restraints during an in-flight turbulence event, resulting in serious injury.Jun 27, 2019 · N318RW · Minor damageNTSB GAA19CA245Accident · No injuriesData collectionFinal reportErcoupe 415 C · Rosendale, WIThe pilot's selection of unsuitable terrain for an off-airport precautionary landing, which resulted in impact with a fence and a nose-over.May 6, 2019 · N2101H · Substantial damage