NTSB investigations, WI

20 cases where the defining event was Aerodynamic stall/spin.

Cases per year

20082026
NTSB investigations, WI per year, 2008–2026: 20 cases
20083
20092
20101
20112
20121
20141
20154
20171
20181
20221
20231
20251
20261

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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '241')
  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 CEN25LA196Accident · Minor injuriesClass 4 · LimitedFinal reportGallow Daniel A Kitfox Classic IV · Waupaca, WIThe pilot’s failure to maintain adequate air speed during final approach, which resulted in an aerodynamic stall and impact with terrain.Jun 5, 2025 · N755SD · Substantial damageNTSB CEN23FA332Accident · 2 fatalClass 3 · FieldFinal reportNorth American AT-6D · Oshkosh, WIThe pilot’s failure to maintain airspeed while maneuvering, which resulted in the exceedance of the airplane’s critical angle of attack and an aerodynamic stall/spin.Jul 29, 2023 · N49961 · DestroyedNTSB CEN22FA214Accident · 1 fatalClass 3 · FieldFinal reportCessna 152 · Wauwatosa, WIThe student pilot’s exceedance of the airplane’s critical angle of attack, which resulted in a stall from which the student pilot could not recover.May 26, 2022 · N4978B · Substantial damageNTSB GAA19CA096Accident · No injuriesData collectionFinal reportBeech 36 · Hartford, WIThe pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall and impact with terrain during landing in icing conditions.Dec 12, 2018 · N6650M · Substantial damageNTSB CEN17FA287Accident · 2 fatalField investigationFinal reportAerofab Lake LA 4 250 · Oshkosh, WIThe 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.Jul 28, 2017 · N1400P · Substantial damageNTSB GAA16CA067Accident · Minor injuriesData collectionFinal reportTaylorcraft BC12 65 · New Lisbon, WIThe pilot's exceedance of the airplane's critical angle of attack, resulting in an inadvertent aerodynamic stall and impact with terrain.Nov 2, 2015 · N33939 · Substantial damageNTSB CEN15LA345Accident · No injuriesLimited investigationFinal reportAir Tractor AT 401 · Nekoosa, WIThe pilot’s inadequate preflight planning, which resulted in his attempt to take off for the agricultural application flight with the airplane over its maximum gross weight in high-density altitude conditions and led to the airplane’s degraded climb…Aug 5, 2015 · N1539U · Substantial damageNTSB CEN15FA311Accident · Serious injuriesField investigationFinal reportPiper PA-46-310P · Oshkosh, WIThe pilot's failure to perform a go-around after receiving a modified landing clearance and his failure to maintain adequate airspeed while maneuvering to land, which resulted in the airplane exceeding its critical angle of attack in a steep bank and entering…Jul 22, 2015 · N4BP · Substantial damageNTSB CEN15FA249Accident · 2 fatalField investigationFinal reportMonnett John T JR Sonex SA · Oshkosh, WIThe pilot's failure to maintain sufficient airspeed following a loss of engine power during initial takeoff climb, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. The reason for the loss of…Jun 2, 2015 · N123SX · Substantial damageNTSB CEN15CA071Accident · Minor injuriesData collectionFinal reportPiper PA 18-150 · Minocqua, WIThe pilot did not maintain directional control of the airplane during the landing flare when a sudden wind shift occurred.Dec 7, 2014 · N41594 · Substantial damageNTSB CEN13FA060Accident · 2 fatalField investigationFinal reportGrumman American Avn. AA-1B · Burlington, WIThe pilot’s failure to maintain control of the airplane while maneuvering at a low altitude, which resulted in an inadvertent stall and spin.Nov 18, 2012 · N6273L · Substantial damageNTSB CEN11LA546Accident · 2 fatalLimited investigationFinal reportReinboldt Richard A Challenger II · Reedsburg, WIThe pilot did not maintain adequate airspeed during takeoff, which resulted in an aerodynamic stall.Aug 4, 2011 · N340BR · Substantial damageNTSB CEN11CA453Accident · Serious injuriesData collectionFinal reportPowrachute Airwolf 912 · Oconto, WIThe powered parachute pilot's decision to execute an in-flight full-flare which resulted in exceeding the angle of attack capabilities of the parachute wing, and subsequent inadvertent stall.Jun 30, 2011 · N734MP · Substantial damageNTSB CEN10LA208Accident · Serious injuriesLimited investigationFinal reportReed William A Kitfox 4 · Baraboo, WIThe pilot's failure to compensate for wind gusts and maintain sufficient airspeed, which resulted in a stall.Apr 15, 2010 · N421KF · Substantial damageNTSB CEN09LA263Accident · 1 fatalLimited investigationFinal reportLaseure Sonerai II · Grantsburg, WIThe pilot's failure to maintain airspeed during initial climb which resulted in a stall/spin. Contributing to the accident was the degraded engine performance.Apr 22, 2009 · N232PE · DestroyedNTSB CEN09GA242Accident · 1 fatalFinal reportCessna 337 · Pittsville, WIThe pilot's failure to maintain adequate airspeed which resulted in an aerodynamic stall at a low altitude.Apr 8, 2009 · N2489S · No damageNTSB CHI08FA222Accident · Minor injuriesField investigationFinal reportPiper PA-22 · Oshkosh, WIThe pilot's failure to maintain adequate airspeed while taking off in gusting winds, which resulted in an aerodynamic stall and subsequent loss of control.Jul 30, 2008 · N3671A · Substantial damageNTSB CHI08LA216Accident · Serious injuriesLimited investigationFinal reportCirrus Design SR22 · Watertown, WIThe pilot's failure to maintain adequate airspeed during the go-around, resulting in an aerodynamic stall. Contributing to the accident was the pilot's delayed recovery from the bounced landing.Jul 26, 2008 · N620SR · DestroyedNTSB CHI08LA123Accident · 1 fatalLimited investigationFinal reportDickenson Bathtub · Broadhead, WIThe pilot's failure to maintain adequate airspeed during approach, which resulted in an aerodynamic stall.May 5, 2008 · N538 · Destroyed