NTSB investigations, WI
33 cases where NTSB found Landing gear system.
Cases per year
| 2008 | 4 |
|---|---|
| 2010 | 1 |
| 2011 | 4 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 1 |
Where
Open the mapLatest 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\", '010232'))
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.
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", '010232')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN26LA262Accident · No injuriesClass 4 · LimitedFinal reportBeech F33A · Janesville, WIThe pilot’s failure to extend the landing gear before landing.NTSB CEN26LA025Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Eau Claire, WIThe pilot’s failure to ensure that the landing gear was properly extended before landing. Contributing to the accident was the pilot’s unfamiliarity with the landing gear warning horn and failure to verify the gear was extended with the cockpit position…NTSB CEN25LA293Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-31T3 · Appleton, WIThe pilot’s failure to maintain control of the airplane on the ground, which resulted in a collision with a parked airplane.NTSB CEN25LA287Accident · No injuriesClass 4 · LimitedFinal reportAerotek Pitts S-2A · New Holstein, WIThe pilot’s loss of direction control during landing due to an unapproved tailwheel assembly and tail spring that resulted in a tailwheel shimmy and a subsequent ground loop.NTSB 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.NTSB CEN25LA220Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-260 · Ashland, WIThe pilot’s failure to extend the landing gear before landing and his failure to conduct the before landing checklist.NTSB CEN24LA330Accident · No injuriesClass 4 · LimitedFinal reportEsqual VM1 · Oshkosh, WIThe pilot’s premature rotation during takeoff which resulted in the airplane settling back to the runway and the subsequent separation of the left wheel.NTSB CEN24LA288Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28R-180 · Ft. Atkinson, WIThe pilot’s failure to extend the landing gear before landing due to distractions and his failure to conduct the Before Landing checklist.NTSB CEN24LA082Accident · No injuriesClass 3 · LimitedFinal reportCessna 172N · Middleton, WIThe student pilot’s failure to maintain directional control during the takeoff roll.NTSB 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.NTSB CEN21LA407Accident · No injuriesClass 4 · LimitedFinal reportAeromot AMT-100 · Menomonie, WIThe pilot’s failure to extend the landing gear.NTSB 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.NTSB GAA19CA218Accident · No injuriesData collectionFinal reportCessna 180 · Reedsburg, WIThe pilot's loss of directional control and subsequent improper brake application during the landing roll, which resulted in a nose-over.NTSB CEN18LA360Accident · No injuriesLimited investigationFinal reportStearman A75N1(PT17) · Kenosha, WIThe failed retaining bolt and cracked backing plate, which resulted in a shift of the brake lining to contact the brake drum and a subsequent wheel lock when the brakes were applied.NTSB GAA18CA432Accident · No injuriesData collectionFinal reportPiper PA28 · Oregon, WIThe 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 GAA18CA171Accident · No injuriesData collectionFinal reportBeech 76 · Oshkosh, WIThe pilot’s failure to extend the landing gear and the flight instructor’s failure to ensure that the landing gear were extended during landing. Contributing to the accident were the pilot’s and the instructor’s improper use of checklist.NTSB GAA17CA524Accident · Minor injuriesData collectionFinal reportBoeing A75N1(PT17) · Oshkosh, WIThe pilot’s overapplication of the brakes, which resulted in the biplane coming to rest inverted.NTSB 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.NTSB CEN16LA274Accident · No injuriesLimited investigationFinal reportChance Vought F4U 5 · East Troy, WIA failure of the O-ring in the left brake master cylinder for reasons that could not be determined, which resulted in a loss of directional control during landing.NTSB CEN15CA072Accident · Minor injuriesData collectionFinal reportCubcrafters CC11-160 · Middleton, WIThe pilot's failure to maintain control of the airplane while braking during landing rollout.NTSB CEN13FA351Accident · 2 fatalField investigationFinal reportPiper PA-24-260 · La Pointe, WIThe pilot’s failure to maintain airplane control after deciding to go around after a gear-up landing, resulting in an aerodynamic stall.NTSB 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.NTSB CEN12CA567Accident · No injuriesData collectionFinal reportFantasy Air Allegro 2000 · Bear Creek, WIA malfunction of the right brake for reasons that could not be determined because of the perishable evidence, which resulted in the pilot’s inability to maintain directional control of the airplane during landing.NTSB CEN12CA406Accident · No injuriesData collectionFinal reportPiper PA-24 · Watertown, WIThe pilot’s failure to extend the landing gear before landing.NTSB CEN11LA632Accident · Minor injuriesLimited investigationFinal reportPiper/Cub Crafters PA-18-150 · Long Lake, WIThe pilot's failure to complete the prelanding checklist, which resulted in the landing gear wheels not being retracted for the water landing.NTSB CEN11LA536Accident · Serious injuriesLimited investigationFinal reportBellanca 14-13 · Stoughton, WIThe pilot’s improper preflight planning and his failure to gain proper airspeed during takeoff from a grass airstrip resulting in a stall, the loss of control, and subsequent impact with the trees. Contributing to the accident was the pilot operating the…NTSB CEN11CA523Accident · No injuriesData collectionFinal reportCessna 195 · Oshkosh, WIThe failure of the left brake which resulted in a ground-loop.NTSB CEN11IA379Incident · No injuriesIncident investigationFinal reportBombardier CL-600-2B19 · Milwaukee, WIThe failure of the right main landing gear (MLG) to extend normally, which resulted from the combination of a slightly worn uplock pin, the operation of the hydraulic pumps below their specified operating pressures, and contamination within the landing gear…NTSB ENG10IA055Incident · No injuriesIncident investigationFinal reportBombardier CL600 2B19 · Milwaukee, WIThe failure of the left main landing gear (MLG) to extend normally and manually for reasons that could not be conclusively determined.NTSB 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.NTSB 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.NTSB CHI08CA130Accident · No injuriesData collectionFinal reportCessna 150 · Pulaski, WIThe student pilot's failure to take remedial action in response to a porpoise/pilot-induced oscillation during landing. Factors were the porpoise, the pilot's lack of experience, and the separation of the nose landing gear.NTSB CHI08CA076Accident · No injuriesData collectionFinal reportAmerican AA-1A · Grantsburg, WIThe seizure of the left brake due to a buildup of ice between the rotor and brake pad. Contributing to the accident was the snow and slush covered runway, and the snowbank.