# Wheel/ski/float - Type: NTSB finding subsection - Path: [Aircraft](https://openairdocs.org/ntsb-findings/01) › [Aircraft systems](https://openairdocs.org/ntsb-findings/0102) › [Landing gear system](https://openairdocs.org/ntsb-findings/010232) › Wheel/ski/float - NTSB code: 01023246 - Cases: 48 - In the probable cause: 41 - Fatal cases: 3 - All cases: https://openairdocs.org/ntsb-findings/01023246/cases.md - Cases with it in the probable cause: https://openairdocs.org/ntsb-findings/01023246/cases.md?cause=1 - Page: https://openairdocs.org/ntsb-findings/01023246 ## Cases per year (in the probable cause / all) - 2008: 1 / 2 - 2009: 4 / 4 - 2010: 2 / 3 - 2011: 3 / 3 - 2012: 2 / 2 - 2013: 4 / 4 - 2014: 1 / 1 - 2016: 3 / 4 - 2017: 5 / 6 - 2018: 3 / 4 - 2019: 2 / 2 - 2020: 3 / 3 - 2021: 2 / 2 - 2022: 2 / 3 - 2023: 1 / 1 - 2024: 1 / 2 - 2025: 2 / 2 ## Defining events in these cases - [Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330): 14 cases - [Loss of control on ground](https://openairdocs.org/ntsb-events/230): 10 cases - [Part(s) separation from AC](https://openairdocs.org/ntsb-events/338): 5 cases - [Nose over/nose down](https://openairdocs.org/ntsb-events/096): 4 cases - [Landing gear not configured](https://openairdocs.org/ntsb-events/095): 4 cases - [Miscellaneous/other](https://openairdocs.org/ntsb-events/900): 2 cases - [Hard landing](https://openairdocs.org/ntsb-events/092): 2 cases - [Abnormal runway contact](https://openairdocs.org/ntsb-events/090): 2 cases - [Loss of lift](https://openairdocs.org/ntsb-events/500): 1 cases - [Loss of engine power (partial)](https://openairdocs.org/ntsb-events/342): 1 cases ## Aircraft models (registry) - [Cessna A185F](https://openairdocs.org/model/cessna-a185f): 6 cases - [Stinson 108-3](https://openairdocs.org/model/stinson-108-3): 2 cases - [Schweizer G-164B](https://openairdocs.org/model/schweizer-g-164b): 2 cases - [Stinson 108-2](https://openairdocs.org/model/stinson-108-2): 1 cases - [Luscombe 8E](https://openairdocs.org/model/luscombe-8e): 1 cases - [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150): 1 cases - [Piper PA-18AS-125](https://openairdocs.org/model/piper-pa-18as-125): 1 cases - [Piper PA-12](https://openairdocs.org/model/piper-pa-12): 1 cases - [Maule M-7-235B](https://openairdocs.org/model/maule-m-7-235b): 1 cases - [Columbia Aircraft Mfg LC41-550FG](https://openairdocs.org/model/columbia-aircraft-mfg-lc41-550fg): 1 cases ## Other findings in the same cases - [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 11 cases - [Directional control](https://openairdocs.org/ntsb-findings/01062020) (Aircraft): 11 cases - [Decision making/judgment](https://openairdocs.org/ntsb-findings/02041520) (Personnel issues): 9 cases - [Snow/slush/ice covered surface](https://openairdocs.org/ntsb-findings/03023015) (Environmental issues): 6 cases - [Soft surface](https://openairdocs.org/ntsb-findings/03023020) (Environmental issues): 3 cases - [Forgotten action/omission](https://openairdocs.org/ntsb-findings/02041035) (Personnel issues): 3 cases - [Not determined, general](https://openairdocs.org/ntsb-findings/05000000) (Not determined): 2 cases - [Installation](https://openairdocs.org/ntsb-findings/02062035) (Personnel issues): 2 cases - [Scheduled/routine maintenance](https://openairdocs.org/ntsb-findings/02062010) (Personnel issues): 2 cases - [Incorrect action performance](https://openairdocs.org/ntsb-findings/02041015) (Personnel issues): 2 cases ## Newest cases - [NTSB ERA25LA285](https://openairdocs.org/ntsb/ERA25LA285), Aug 1, 2025: Cessna TU206 (N9493Z), Ellsworth, ME, substantial damage. Probable cause: The pilot’s decision to operate the airplane with a known deficiency of the floats, which resulted in an accumulation of water in the forward compartments of the floats, a forward center of gravity,… - [NTSB DCA25LA275](https://openairdocs.org/ntsb/DCA25LA275), Jul 26, 2025: Boeing 737-8 (N306SW), Denver, CO, substantial damage. Probable cause: The failure of the airplane’s left main landing gear tires and wheels during the takeoff roll due to the thermal relief plugs melting and releasing tire pressure, which resulted in abnormal airplane… - [NTSB WPR24LA303](https://openairdocs.org/ntsb/WPR24LA303), Aug 30, 2024: Cessna T206H (N379ME), Big Bend-Gold Bar, WA, substantial damage. Probable cause: The pilot’s improper flare, which resulted in a hard landing. - [NTSB CEN24LA330](https://openairdocs.org/ntsb/CEN24LA330), Aug 27, 2024: Esqual VM1 (N151GH), Oshkosh, WI, substantial damage. Probable cause: The 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 ERA23LA179](https://openairdocs.org/ntsb/ERA23LA179), Mar 22, 2023: Piper PA-18AS-125 (N1907A), Lakeland, FL, substantial damage. Probable cause: The pilot’s failure to ensure that the landing gear was properly configured for a water landing. - [NTSB ANC23FA001](https://openairdocs.org/ntsb/ANC23FA001), Oct 6, 2022: Cessna A185F (N217C), Fairbanks, AK, no damage, 1 fatal. Probable cause: The improperly maintained floats, which allowed water to fill the front compartments and resulted in the airplane nosing over during taxi. Contributing to the fatal injury of the pilot was the… - [NTSB ANC22LA080](https://openairdocs.org/ntsb/ANC22LA080), Sep 25, 2022: Cessna 180A (N9728B), Skwentna, AK, substantial damage, 1 fatal. Probable cause: The failure of the landing gear float due to inadequate maintenance of the floats and corrosion. - [NTSB CEN22LA114](https://openairdocs.org/ntsb/CEN22LA114), Jan 29, 2022: Aeronca 7AC (N2923E), Cook, MN, substantial damage. Probable cause: The pilot’s failure to ensure the snow-covered takeoff area was safe, which resulted in a collision with ice and subsequent landing gear damage. - [NTSB ERA21LA246](https://openairdocs.org/ntsb/ERA21LA246), Jun 4, 2021: Honda HA-420 (N10XN), Kennesaw, GA, substantial damage. Probable cause: The mechanic’s improper installation of the left main wheel assembly. - [NTSB ANC21LA022](https://openairdocs.org/ntsb/ANC21LA022), Mar 5, 2021: Cessna A185F (N1848R), Skwentna, AK, substantial damage. Probable cause: Installation of improper hardware on the ski check cable. Contributing to the accident was the inadequate inspection of the ski yokes, which resulted in the subsequent failure of the right main… NTSB has coded findings and defining events since 2008; earlier cases used its older occurrence and cause codes and aren't counted. Findings: https://openairdocs.org/ntsb-findings.md. Defining events: https://openairdocs.org/ntsb-events.md. Phases of flight: https://openairdocs.org/ntsb-phases.md. Every investigation, filtered by finding, event, phase, state, year or model: https://openairdocs.org/ntsb.md (for example ?state=MI&fatal=1). NTSB's definitions: Accident and incident, 49 CFR 830.2 (https://www.ecfr.gov/current/title-49/subtitle-B/chapter-VIII/part-830/subpart-A/section-830.2), CICTT occurrence categories (PDF) (https://www.ntsb.gov/safety/data/Documents/datafiles/OccurrenceCategoryDefinitions.pdf), CICTT phases of flight (PDF) (https://www.ntsb.gov/safety/data/Documents/datafiles/PhaseofFlightDefinitions.pdf), and NTSB coding manual, before 2008 (PDF) (https://www.ntsb.gov/GILS/Documents/codman.pdf). NTSB publishes no definitions for its findings, only their names. --- 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.