# Landing gear collapse - Type: NTSB defining event - NTSB code: 094 - CICTT category: Abnormal Runway Contact - Defining event in: 648 cases - In the sequence of: 1,787 cases - Fatal cases: 1 - All cases: https://openairdocs.org/ntsb-events/094/cases.md - Cases with it anywhere in the sequence: https://openairdocs.org/ntsb-events/094/sequence.md - Page: https://openairdocs.org/ntsb-events/094 ## Cases per year (defining / in the sequence) - 2008: 34 / 124 - 2009: 30 / 109 - 2010: 37 / 95 - 2011: 35 / 101 - 2012: 38 / 101 - 2013: 29 / 84 - 2014: 36 / 75 - 2015: 33 / 74 - 2016: 42 / 143 - 2017: 36 / 114 - 2018: 31 / 130 - 2019: 24 / 93 - 2020: 28 / 80 - 2021: 34 / 66 - 2022: 36 / 65 - 2023: 31 / 68 - 2024: 31 / 107 - 2025: 39 / 84 - 2026: 44 / 74 ## Phase of flight - Landing-landing roll: 316 cases - Landing: 126 cases - Landing-flare/touchdown: 107 cases - Takeoff: 30 cases - Taxi-from runway: 20 cases - Taxi: 17 cases - Taxi-to runway: 11 cases - Taxi-into takeoff position: 7 cases - Takeoff-rejected takeoff: 6 cases - Pushback/towing: 2 cases ## In the probable cause of these cases - [Gear extension and retract sys](https://openairdocs.org/ntsb-findings/01023230) (Aircraft): 79 cases - [Main landing gear](https://openairdocs.org/ntsb-findings/01023210) (Aircraft): 79 cases - [Not determined, general](https://openairdocs.org/ntsb-findings/05000000) (Not determined): 64 cases - [Nose/tail landing gear](https://openairdocs.org/ntsb-findings/01023220) (Aircraft): 46 cases - [Aircraft control](https://openairdocs.org/ntsb-findings/02063040) (Personnel issues): 45 cases - [Main gear strut/axle/truck](https://openairdocs.org/ntsb-findings/01023213) (Aircraft): 34 cases - [Main landing gear attach sec](https://openairdocs.org/ntsb-findings/01023211) (Aircraft): 29 cases - [Directional control](https://openairdocs.org/ntsb-findings/01062020) (Aircraft): 28 cases - [Incorrect action performance](https://openairdocs.org/ntsb-findings/02041015) (Personnel issues): 24 cases - [Landing gear actuator](https://openairdocs.org/ntsb-findings/01023233) (Aircraft): 24 cases ## Aircraft models (registry) - [Cessna P210N](https://openairdocs.org/model/cessna-p210n): 12 cases - [Piper PA-30](https://openairdocs.org/model/piper-pa-30): 10 cases - [Piper PA-44-180](https://openairdocs.org/model/piper-pa-44-180): 7 cases - [Cessna TR182](https://openairdocs.org/model/cessna-tr182): 7 cases - [Piper PA-24-250](https://openairdocs.org/model/piper-pa-24-250): 6 cases - [Cessna 310R](https://openairdocs.org/model/cessna-310r): 6 cases - [Piper PA 46-350P](https://openairdocs.org/model/piper-pa-46-350p): 5 cases - [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250): 5 cases - [Cessna 421C](https://openairdocs.org/model/cessna-421c): 5 cases - [Beech 58](https://openairdocs.org/model/beech-58): 5 cases ## Newest cases - [NTSB ERA26LA357](https://openairdocs.org/ntsb/ERA26LA357), Sep 30, 2026: Grumman American Avn. GA-7 (N384MA), Knoxville, TN, substantial damage, investigation ongoing - [NTSB ERA26LA354](https://openairdocs.org/ntsb/ERA26LA354), Sep 29, 2026: Costruzioni Aeronautiche Tecnam P92 Tail Dragger (N575TA), Toughkenamon, PA, substantial damage, investigation ongoing - [NTSB CEN26LA329](https://openairdocs.org/ntsb/CEN26LA329), Sep 26, 2026: Piper PA-28-181 (N8086G), Mason, MI, substantial damage, investigation ongoing - [NTSB ERA26LA360](https://openairdocs.org/ntsb/ERA26LA360), Sep 25, 2026: Cessna 421B (N421FA), Nashville, TN, substantial damage, investigation ongoing - [NTSB ERA26LA349](https://openairdocs.org/ntsb/ERA26LA349), Sep 19, 2026: Beech 200 (N621JG), Dothan, AL, investigation ongoing - [NTSB WPR26LA340](https://openairdocs.org/ntsb/WPR26LA340), Sep 13, 2026: Cessna P210N (N4617W), San Luis Obispo, CA, substantial damage, investigation ongoing - [NTSB WPR26LA343](https://openairdocs.org/ntsb/WPR26LA343), Sep 12, 2026: Aerovodochody L-29 Delfin (N29AD), Roswell, NM, substantial damage, investigation ongoing - [NTSB ANC26LA104](https://openairdocs.org/ntsb/ANC26LA104), Sep 11, 2026: Taylorcraft BL-65 (N22619), Ninilchik, AK, substantial damage, investigation ongoing - [NTSB WPR26LA334](https://openairdocs.org/ntsb/WPR26LA334), Sep 8, 2026: Beech 200 (N393JW), Roswell, NM, substantial damage, investigation ongoing - [NTSB ANC26LA099](https://openairdocs.org/ntsb/ANC26LA099), Aug 31, 2026: Maule M-5-210C (N420KB), Venetie, AK, substantial damage, investigation ongoing 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.