NTSB investigations, WI

25 cases where the sequence of events included Landing gear collapse.

Cases per year

20082026
NTSB investigations, WI per year, 2008–2026: 25 cases
20082
20091
20102
20111
20121
20131
20153
20161
20173
20182
20211
20222
20232
20252
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '094' 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"

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 CEN26LA198Accident · No injuriesClass 4 · LimitedFinal reportCommander 114TC · Woodruff, WIThe pilot’s failure to maintain airplane control during the go-around.May 23, 2026 · N114DP · Substantial damageNTSB CEN25LA278Accident · No injuriesClass 4 · LimitedFinal reportRavin 500 · Oshkosh, WIThe failure of the left main landing gear lateral pushrod end fitting which resulted in a landing gear collapse during the landing roll.Jul 21, 2025 · C-GPDZ · Substantial damageNTSB CEN25LA204Accident · No injuriesClass 4 · LimitedFinal reportFlight Design Ctsw · Pembine, WIThe pilot’s improper flare during landing which resulted in a bounced landing.Jun 6, 2025 · N499CT · Substantial damageNTSB CEN23LA323Accident · No injuriesClass 4 · LimitedFinal reportVans RV-10 · Oshkosh, WIThe pilot’s improper landing flare which resulted in a hard landing.Jul 20, 2023 · N917CM · Substantial damageNTSB CEN23LA229Accident · Minor injuriesClass 4 · LimitedFinal reportPiper J3C-65 · Salem, WIThe pilot’s improper landing flare, which resulted in a hard landing and the left main landing gear collapse.Jun 5, 2023 · N42220 · Substantial damageNTSB CEN22LA339Accident · No injuriesClass 4 · LimitedFinal reportCessna T310R · Oshkosh, WIThe pilot’s loss of control while landing.Jul 24, 2022 · N731AJ · Substantial damageNTSB CEN22LA188Accident · No injuriesClass 3 · LimitedFinal reportBeech B-99 · Milwaukee, WIA right main landing gear collapse due to fatigue failure of the landing gear drag leg support fitting.Apr 30, 2022 · N699CZ · Substantial damageNTSB CEN21LA147Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-23 · Oshkosh, WIThe failure of the nose landing gear lower drag link for reasons that could not be determined based on available information, which resulted in the collapse of the nose landing gear.Feb 27, 2021 · N1460P · Substantial damageNTSB CEN18TA296Accident · No injuriesFinal reportFisher Dakato Hawk · Oshkosh, WIThe failure of the left main landing gear for reasons that could not be determined, which resulted in a loss of directional control during the ground roll.Jul 26, 2018 · N677TS · Substantial damageNTSB GAA18CA400Accident · No injuriesData collectionFinal reportChampion 8GCBC · Waunakee, WIThe pilot’s failure to maintain clearance from tall corn along the edge of the airstrip during takeoff.Jul 6, 2018 · N114JM · Substantial damageNTSB GAA17CA451Accident · No injuriesData collectionFinal reportMark Goldberg Bearhawk Patrol · Oshkosh, WIThe pilot's failure to maintain directional control during the landing roll in crosswind conditions, which resulted in a ground loop.Jul 28, 2017 · N410BP · Substantial damageNTSB CEN17LA224Accident · No injuriesLimited investigationFinal reportMckenna SD-1A · Juneau, WIThe pilot’s difficulty controlling the airplane due to his incorrect reinstallation of the wings, which led to a bounced precautionary landing. Contributing to the accident was the failure of the pilot and the mechanic to verify the wings’ angle of incidence.Jun 7, 2017 · N31313 · Substantial damageNTSB GAA17CA224Accident · No injuriesData collectionFinal reportStinson 108 · Woodruff, WIThe pilot receiving instruction's incorrect brake usage and failure to maintain directional control during the landing roll.Apr 7, 2017 · N9363K · Substantial damageNTSB CEN16LA206Accident · No injuriesLimited investigationFinal reportBeech A23-24 · Clintonville, WIThe pilot’s failure to maintain the proper glidepath during the night visual approach, which resulted in impact with a runway threshold light, and his improper landing flare, which resulted in a hard landing. Contributing to the accident was the pilot's…May 30, 2016 · N5771V · Substantial damageNTSB GAA15CA287Accident · No injuriesData collectionFinal reportPiper PA 24 · West Bend, WIThe pilot's failure to maintain his descent rate during the landing, which resulted in a hard landing and runway excursion.Sep 26, 2015 · N8583P · Substantial damageNTSB CEN15LA351Accident · Minor injuriesLimited investigationFinal reportRoberts Bruce W Vans Aircraft RV 9A · Land O' Lakes, WIThe pilot’s failure to maintain a proper descent rate, which resulted in a hard landing.Jul 19, 2015 · N142DD · Substantial damageNTSB GAA15CA033Accident · No injuriesData collectionFinal reportLancair LC 40 550FG · Middleton, WIThe pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's inadequate compensation for the crosswind during landing.Apr 1, 2015 · N777XX · Substantial damageNTSB CEN13CA187Accident · No injuriesData collectionFinal reportChampion 7GCAA · Oshkosh, WIFatigue cracking and failure of the left wheel strut mount resulting in collapse of the left main landing gear during taxi.Feb 2, 2013 · N9691S · Substantial damageNTSB CEN12LA530Accident · Serious injuriesLimited investigationFinal reportWilliams John T-51 Mustang · Oshkosh, WIThe separation of an engine cooling hose from the radiator.Aug 7, 2012 · N151TA · Substantial damageNTSB CEN11LA430Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Barron, WIThe loss of engine power, which resulted from fuel exhaustion due to the pilot's inadequate in-flight planning.Jun 29, 2011 · N9002J · Substantial damageNTSB CEN10CA421Accident · No injuriesData collectionFinal reportNord 3202 · Oshkosh, WIThe pilot's failure to maintain directional control during the landing roll.Jul 19, 2010 · N2256Y · Substantial damageNTSB CEN10LA145Accident · No injuriesLimited investigationFinal reportHawker Beechcraft A36 · Milwaukee, WIThe pilot's retraction of the landing gear prior to establishing a positive climb rate.Mar 6, 2010 · N1114X · Substantial damageNTSB CEN09LA463Accident · No injuriesLimited investigationFinal reportPilgrim Samuel W JR RV-6 · Oshkosh, WIThe failure of the rudder pedal which resulted in the pilot's inability to maintain directional control of the aircraft.Jul 25, 2009 · N56SP · Substantial damageNTSB CHI08LA297Accident · Serious injuriesLimited investigationFinal reportPowrachute Pegasus · New London, WIThe pilot's loss of directional control during landing due to failure of the nose wheel support as a result of an inadequate weld.Sep 20, 2008 · N7084L · Minor damageNTSB CHI08LA214Accident · Minor injuriesLimited investigationFinal reportBolenbaugh Phillip William Rans S-6ES · Oshkosh, WIThe pilot's improper landing flare, which resulted in a hard landing and subsequent collapse of the nose landing gear.Jul 27, 2008 · N402PB · Substantial damage