# NTSB investigations, WI: Aerodynamic stall/spin 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 CEN26LA125](https://openairdocs.org/ntsb/CEN26LA125.md): Vans RV-12IS · Appleton, WI · Accident · No injuries · Class 4 · Limited · Final report · Feb 24, 2026 · N46TB · Substantial damage > The 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… - [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 CEN23FA332](https://openairdocs.org/ntsb/CEN23FA332.md): North American AT-6D · Oshkosh, WI · Accident · 2 fatal · Class 3 · Field · Final report · Jul 29, 2023 · N49961 · Destroyed > The 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. - [NTSB CEN23FA320](https://openairdocs.org/ntsb/CEN23FA320.md): Heath V-Strut · Oshkosh, WI · Accident · Minor injuries · Class 3 · Field · Final report · Jul 25, 2023 · N9549 · Substantial damage > The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall. - [NTSB CEN22FA214](https://openairdocs.org/ntsb/CEN22FA214.md): Cessna 152 · Wauwatosa, WI · Accident · 1 fatal · Class 3 · Field · Final report · May 26, 2022 · N4978B · Substantial damage > The 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. - [NTSB CEN21LA474](https://openairdocs.org/ntsb/CEN21LA474.md): Navion Navion H · Burlington, WI · Accident · No injuries · Class 4 · Limited · Final report · Sep 16, 2021 · N1061Y · Substantial damage > The pilot’s failure to maintain aircraft control during landing with a gusting crosswind that resulted in an aerodynamic stall and a hard impact on the runway. - [NTSB GAA19CA096](https://openairdocs.org/ntsb/GAA19CA096.md): Beech 36 · Hartford, WI · Accident · No injuries · Data collection · Final report · Dec 12, 2018 · N6650M · Substantial damage > The 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. - [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 CEN17FA196](https://openairdocs.org/ntsb/CEN17FA196.md): Piper J3C · Chetek, WI · Accident · 1 fatal · Field investigation · Final report · May 24, 2017 · N35132 · Substantial damage > The pilot's failure to maintain control of the airplane while flying at a low altitude, which resulted in the airplane exceeding the critical angle of attack and a subsequent aerodynamic stall. - [NTSB CEN16LA293](https://openairdocs.org/ntsb/CEN16LA293.md): Boam Larry Rans S 7 · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 2016 · N6271X · Substantial damage > The pilot's failure to maintain airplane control on takeoff, which resulted in his remedial action to induce an aerodynamic stall and the subsequent impact with terrain. - [NTSB GAA16CA067](https://openairdocs.org/ntsb/GAA16CA067.md): Taylorcraft BC12 65 · New Lisbon, WI · Accident · Minor injuries · Data collection · Final report · Nov 2, 2015 · N33939 · Substantial damage > The pilot's exceedance of the airplane's critical angle of attack, resulting in an inadvertent aerodynamic stall and impact with terrain. - [NTSB CEN15LA345](https://openairdocs.org/ntsb/CEN15LA345.md): Air Tractor AT 401 · Nekoosa, WI · Accident · No injuries · Limited investigation · Final report · Aug 5, 2015 · N1539U · Substantial damage > The 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… - [NTSB CEN15FA328](https://openairdocs.org/ntsb/CEN15FA328.md): Socata TBM 700 · Milwaukee, WI · Accident · 2 fatal · Field investigation · Final report · Jul 29, 2015 · N425KJ · Destroyed > The pilot's improper pitch control during the landing, which resulted in the propeller striking the runway, and his failure to maintain adequate airspeed during the subsequent go-around, which resulted in the airplane exceeding its critical angle of attack… - [NTSB CEN15FA311](https://openairdocs.org/ntsb/CEN15FA311.md): Piper PA-46-310P · Oshkosh, WI · Accident · Serious injuries · Field investigation · Final report · Jul 22, 2015 · N4BP · Substantial damage > The 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… - [NTSB CEN15FA249](https://openairdocs.org/ntsb/CEN15FA249.md): Monnett John T JR Sonex SA · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jun 2, 2015 · N123SX · Substantial damage > The 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… - [NTSB CEN15CA071](https://openairdocs.org/ntsb/CEN15CA071.md): Piper PA 18-150 · Minocqua, WI · Accident · Minor injuries · Data collection · Final report · Dec 7, 2014 · N41594 · Substantial damage > The pilot did not maintain directional control of the airplane during the landing flare when a sudden wind shift occurred. - [NTSB CEN14FA266](https://openairdocs.org/ntsb/CEN14FA266.md): Yakovlev YAK-55M · Stevens Point, WI · Accident · 1 fatal · Field investigation · Final report · Jun 1, 2014 · N176FD · Substantial damage > The pilot's failure to maintain airplane control during the aerobatic flight, which resulted in the airplane exceeding its critical angle of attack and entering an accelerated stall at a low altitude. - [NTSB CEN13FA060](https://openairdocs.org/ntsb/CEN13FA060.md): Grumman American Avn. AA-1B · Burlington, WI · Accident · 2 fatal · Field investigation · Final report · Nov 18, 2012 · N6273L · Substantial damage > The pilot’s failure to maintain control of the airplane while maneuvering at a low altitude, which resulted in an inadvertent stall and spin. - [NTSB CEN11LA546](https://openairdocs.org/ntsb/CEN11LA546.md): Reinboldt Richard A Challenger II · Reedsburg, WI · Accident · 2 fatal · Limited investigation · Final report · Aug 4, 2011 · N340BR · Substantial damage > The pilot did not maintain adequate airspeed during takeoff, which resulted in an aerodynamic stall. - [NTSB CEN11CA453](https://openairdocs.org/ntsb/CEN11CA453.md): Powrachute Airwolf 912 · Oconto, WI · Accident · Serious injuries · Data collection · Final report · Jun 30, 2011 · N734MP · Substantial damage > The 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. - [NTSB CEN10FA443](https://openairdocs.org/ntsb/CEN10FA443.md): Hawker Beechcraft 390 · Oshkosh, WI · Accident · Serious injuries · Field investigation · Final report · Jul 27, 2010 · N6JR · Substantial damage > The pilot's decision not to advance the engines to takeoff power during the go-around, as stipulated by the airplane flight manual, which resulted in an aerodynamic stall at a low altitude. - [NTSB CEN10LA208](https://openairdocs.org/ntsb/CEN10LA208.md): Reed William A Kitfox 4 · Baraboo, WI · Accident · Serious injuries · Limited investigation · Final report · Apr 15, 2010 · N421KF · Substantial damage > The pilot's failure to compensate for wind gusts and maintain sufficient airspeed, which resulted in a stall. - [NTSB CEN09LA263](https://openairdocs.org/ntsb/CEN09LA263.md): Laseure Sonerai II · Grantsburg, WI · Accident · 1 fatal · Limited investigation · Final report · Apr 22, 2009 · N232PE · Destroyed > The pilot's failure to maintain airspeed during initial climb which resulted in a stall/spin. Contributing to the accident was the degraded engine performance. - [NTSB CEN09GA242](https://openairdocs.org/ntsb/CEN09GA242.md): Cessna 337 · Pittsville, WI · Accident · 1 fatal · Final report · Apr 8, 2009 · N2489S · No damage > The pilot's failure to maintain adequate airspeed which resulted in an aerodynamic stall at a low altitude. - [NTSB CHI08FA224](https://openairdocs.org/ntsb/CHI08FA224.md): Moser Georg Lancair Legacy FG · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jul 31, 2008 · N515RB · Substantial damage > The pilot's failure to maintain adequate airspeed during approach, which resulted in an aerodynamic stall and subsequent loss of control. - [NTSB CHI08FA222](https://openairdocs.org/ntsb/CHI08FA222.md): Piper PA-22 · Oshkosh, WI · Accident · Minor injuries · Field investigation · Final report · Jul 30, 2008 · N3671A · Substantial damage > The pilot's failure to maintain adequate airspeed while taking off in gusting winds, which resulted in an aerodynamic stall and subsequent loss of control. - [NTSB CHI08LA216](https://openairdocs.org/ntsb/CHI08LA216.md): Cirrus Design SR22 · Watertown, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 26, 2008 · N620SR · Destroyed > The 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. - [NTSB CHI08LA123](https://openairdocs.org/ntsb/CHI08LA123.md): Dickenson Bathtub · Broadhead, WI · Accident · 1 fatal · Limited investigation · Final report · May 5, 2008 · N538 · Destroyed > The pilot's failure to maintain adequate airspeed during approach, which resulted in an aerodynamic stall. ## 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" = '241' 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/241/sequence?state=WI --- 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.