NTSB investigations, WI

9 cases where NTSB found Gear extension and retract sys.

Cases per year

20112026
NTSB investigations, WI per year, 2011–2026: 9 cases
20111
20181
20212
20241
20253
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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01023230'))
  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 CEN26LA262Accident · No injuriesClass 4 · LimitedFinal reportBeech F33A · Janesville, WIThe pilot’s failure to extend the landing gear before landing.Jul 20, 2026 · N933A · Substantial damageNTSB 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…Oct 19, 2025 · N5865P · 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 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.Jun 24, 2025 · N8817P · Substantial damageNTSB 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.Jul 27, 2024 · N980BL · Substantial damageNTSB CEN21LA407Accident · No injuriesClass 4 · LimitedFinal reportAeromot AMT-100 · Menomonie, WIThe pilot’s failure to extend the landing gear.Sep 7, 2021 · N69FW · 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 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.Mar 9, 2018 · N969RA · Substantial damageNTSB 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…Jun 7, 2011 · N866AS · Minor damage