# NTSB investigations, WI: Landing gear not configured

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 CEN26LA262](https://openairdocs.org/ntsb/CEN26LA262.md): Beech F33A · Janesville, WI · Accident · No injuries · Class 4 · Limited · Investigation open · Jul 20, 2026 · N933A · Substantial damage
- [NTSB CEN26LA025](https://openairdocs.org/ntsb/CEN26LA025.md): Piper PA-24-250 · Eau Claire, WI · Accident · No injuries · Class 4 · Limited · Final report · Oct 19, 2025 · N5865P · Substantial damage
  > The 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 CEN25LA265](https://openairdocs.org/ntsb/CEN25LA265.md): Questair Venture · Oshkosh, WI · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 20, 2025 · N53TL · Substantial damage
  > On July 20, 2025, about 1545 central daylight time, a Questair Venture airplane, N53TL, sustained substantial damage when it was involved in an accident at Oshkosh, Wisconsin. The pilot and passenger were not injured. The airplane was operated under the…
- [NTSB CEN25LA220](https://openairdocs.org/ntsb/CEN25LA220.md): Piper PA-24-260 · Ashland, WI · Accident · No injuries · Class 4 · Limited · Final report · Jun 24, 2025 · N8817P · Substantial damage
  > The pilot’s failure to extend the landing gear before landing and his failure to conduct the before landing checklist.
- [NTSB CEN24LA288](https://openairdocs.org/ntsb/CEN24LA288.md): Piper PA-28R-180 · Ft. Atkinson, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2024 · N980BL · Substantial damage
  > The pilot’s failure to extend the landing gear before landing due to distractions and his failure to conduct the Before Landing checklist.
- [NTSB CEN21LA407](https://openairdocs.org/ntsb/CEN21LA407.md): Aeromot AMT-100 · Menomonie, WI · Accident · No injuries · Class 4 · Limited · Final report · Sep 7, 2021 · N69FW · Substantial damage
  > The pilot’s failure to extend the landing gear.
- [NTSB CEN13FA351](https://openairdocs.org/ntsb/CEN13FA351.md): Piper PA-24-260 · La Pointe, WI · Accident · 2 fatal · Field investigation · Final report · Jun 15, 2013 · N8815P · Destroyed
  > The pilot’s failure to maintain airplane control after deciding to go around after a gear-up landing, resulting in an aerodynamic stall.
- [NTSB CEN12CA406](https://openairdocs.org/ntsb/CEN12CA406.md): Piper PA-24 · Watertown, WI · Accident · No injuries · Data collection · Final report · Jul 1, 2012 · N6580P · Substantial damage
  > The pilot’s failure to extend the landing gear before landing.
- [NTSB CEN11LA632](https://openairdocs.org/ntsb/CEN11LA632.md): Piper/Cub Crafters PA-18-150 · Long Lake, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 2011 · N902CC · Substantial damage
  > The pilot's failure to complete the prelanding checklist, which resulted in the landing gear wheels not being retracted for the water landing.
- [NTSB CEN11IA379](https://openairdocs.org/ntsb/CEN11IA379.md): Bombardier CL-600-2B19 · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Jun 7, 2011 · N866AS · Minor damage
  > The 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 ENG10IA055](https://openairdocs.org/ntsb/ENG10IA055.md): Bombardier CL600 2B19 · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Sep 28, 2010 · N498CA · Minor damage
  > The failure of the left main landing gear (MLG) to extend normally and manually for reasons that could not be conclusively determined.

## 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" = '095' 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/095/sequence?state=WI

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