NTSB investigations, CA
134 cases where the sequence of events included Landing gear collapse.
Cases per year
| 2008 | 8 |
|---|---|
| 2009 | 10 |
| 2010 | 11 |
| 2011 | 5 |
| 2012 | 5 |
| 2013 | 7 |
| 2014 | 7 |
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 14 |
| 2018 | 12 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 5 |
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\" = 'CA' 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\" = '094' 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"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" = 'CA' 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" = '094' 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
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 WPR26LA340Accident · No injuriesClass 3 · LimitedPreliminary reportCessna P210N · San Luis Obispo, CAOn September 13, 2026, about 1515 Pacific daylight time, a Cessna P210N airplane, N4617W, was substantially damaged when it was involved in an accident near San Luis Obispo, California. The pilot, pilot-rated-passenger, and a passenger were not injured. The…NTSB WPR26LA269Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-28-161 · San Bernardino, CAOn July 18, 2026, about 1530 Pacific daylight time, a Piper PA-28-161, N8249B, was substantially damaged when it was involved in an accident near San Bernardino, California. The pilot and pilot rated passenger were not injured. The airplane was operated as a…NTSB WPR26LA226Accident · No injuriesClass 3 · LimitedPreliminary reportCessna TR182 · Los Angeles, CAOn June 21, 2026, about 1255 Pacific daylight time, a Cessna TR182, N2194S, sustained substantial damage when it was involved in an accident near Van Nuys, California. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR26LA143Accident · No injuriesClass 4 · LimitedFinal reportPaul D Cannon Kitfox Light Squared · Lincoln, CAThe pilot's failure to properly flare the airplane during landing, which resulted in a hard landing and separation of the main landing gear. Contributing to the accident was the improper installation and over torquing of the landing gear attachment hardware,…NTSB WPR26LA107Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-30 · Big Bear, CAOn February 23, 2026, at 1800 Pacific standard time, a Piper PA-30, N811LE, was substantially damaged when it was involved in an accident near Big Bear, California. The pilot and passenger were not injured. The airplane was operated as a 14 Code of Federal…NTSB WPR25LA288Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 750 · San Diego, CAOn September 17, 2025, about 1742 Pacific daylight time, a Cessna 750, N769XJ, was substantially damaged when it was involved in an accident at San Diego International Airport (SAN), San Diego, California. The two pilots and four passengers sustained no…NTSB WPR25LA282Accident · No injuriesClass 3 · LimitedPreliminary reportCessna P210N · Victorville, CAOn September 13, 2025, about 1300 Pacific daylight time, a Cessna P210N airplane, N25WD, was substantially damaged when it was involved in an accident near Victorville, California. The pilot and flight instructor were not injured. The airplane was operated as…NTSB WPR25LA266Accident · No injuriesClass 3 · LimitedPreliminary reportCessna TR182 · San Diego, CAOn August 12, 2025, about 1330 Pacific daylight time, Cessna TR182 airplane, N619MW, was substantially damaged when it was involved in an accident near San Diego, California. The pilot and passenger were not injured. The airplane was operated as a Title 14…NTSB WPR25LA102Accident · No injuriesClass 3 · LimitedFinal reportCessna 172S · La Verne, CAThe failure of the right main landing gear tubular spring due to a fatigue crack that originated at the airframe connecting bolt hole and progressed to an overstress fracture.NTSB WPR24LA278Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SF50 · Watsonville, CAThe pilot’s inadvertent use of the landing gear control handle instead of the flaps selector switch during the landing rollout, which resulted in the collapse of the nose landing gear.NTSB WPR24LA275Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-30 · Concord, CAThe failure of the main landing gear to extend and lock for reasons that could not be determined based on the available information. Contributing to the accident was a mechanical failure of the manual landing gear release mechanism due to inadequate clearance…NTSB WPR24LA272Accident · Minor injuriesClass 4 · LimitedFinal reportRenquist George GS-2 Sportsman · Hawthorne, CAThe flight crew’s failure to maintain airspeed during a short field landing and the instructor’s delayed remediation, which resulted in a hard landing.NTSB WPR24LA219Accident · No injuriesClass 4 · LimitedFinal reportCessna 172L · Oxnard, CAThe student pilot’s failure to maintain directional control during the takeoff roll.NTSB WPR24LA145Accident · No injuriesClass 4 · LimitedFinal reportCessna 195 · Big Bear, CAThe pilot’s failure to maintain directional control during takeoff with a gusty crosswind.NTSB WPR23LA321Accident · No injuriesClass 3 · LimitedFinal reportCessna T210M · Napa, CAInsufficient hydraulic pressure to the landing gear system following the completion of the emergency gear extension checklist, which resulted in the main landing gear collapsing during landing. Contributing to the accident was a loss of electrical power for…NTSB DCA23FA417Accident · No injuriesClass 2 · FieldFinal reportBoeing 737-890 · Santa Ana, CAMaintenance personnel’s excessive grinding of the left main landing gear’s aft trunnion pin during machining, which imparted heat damage to the base metal and led to the fatigue cracking that caused the pin to fracture during landing.NTSB WPR23LA270Accident · No injuriesClass 3 · LimitedFinal reportSling Sling LSA · Palm Springs, CAFailure of the landing gear strut during takeoff due to a preexisting cracks that were caused by a manufacturing anomaly during the composite fiber layup process.NTSB WPR23LA170Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Van Nuys, CAThe pilot’s failure to maintain lateral control of the helicopter, which resulted in a hard landing.NTSB WPR23LA116Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-24-260 · San Jose, CAA landing gear collapse due to an inadequately maintained landing gear extension and retraction system.NTSB WPR22LA226Accident · No injuriesClass 3 · LimitedFinal reportCessna TR182 · Santa Barbara, CAA failure of the right main landing gear actuator pressure line O-ring, which resulted in a gear-up landing on the runway.NTSB WPR22LA249Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32R-301T · Red Bluff, CAThe pilot’s failure to detect the tripped landing gear motor circuit breaker, which prevented the gear from fully locking in the down position, and subsequent collapse during landing.NTSB WPR22LA228Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Palm Springs, CAThe failure of the pilot to ensure the landing gear was down and locked before landing.NTSB WPR22LA159Accident · No injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 42 · Long Beach, CAThe failure of the right main landing gear brace rib for reasons that could not be determined based on available information.NTSB WPR21LA197Accident · No injuriesClass 4 · LimitedFinal reportStearman 4E · Porterville, CAThe pilot’s loss of directional control while landing, which resulted in a landing gear collapse.NTSB WPR21LA076Accident · No injuriesClass 4 · LimitedFinal reportExtra Flugzeugbau EA 300/L · Santa Monica, CAThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop.NTSB WPR20CA296Accident · No injuriesClass 4 · Data collectionFinal reportCessna Ector 305A · Amboy, CAThe pilot's failure to maintain directional control of the airplane during a precautionary landing which resulted in a ground loop.NTSB WPR20LA288Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Chino, CAThe failure of the engine-driven hydraulic pump, which resulted in the main landing gear not fully extending and locking into place during landing. Contributing to the accident was the failure of the emergency gear extension system for reasons that could not…NTSB WPR20LA306Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Upland, CAThe failure of the right landing gear due to fatigue cracking.NTSB DCA20LA138Accident · Serious injuriesClass 3 · LimitedFinal reportBoeing 767 · Los Angeles, CAThe left main landing gear’s failure to extend due to the separation of the brake rod retaining hardware from the aft inboard wheel for reasons that could not be determined based on the available evidence.NTSB WPR20CA174Accident · No injuriesClass 4 · Data collectionFinal reportExtra EA 300 · Concord, CAThe pilot's loss of directional control during the landing roll, which resulted in a ground loop.NTSB GAA20CA003Accident · No injuriesData collectionFinal reportVans RV9 · Lake Elsinore, CAThe pilot's selection of unsuitable terrain for taxi, which resulted in the landing gear collapsing and a nose-over.NTSB GAA19CA508Accident · No injuriesData collectionFinal reportPiper PA28 · Hemet, CAThe student pilot's failure to maintain directional control while attempting to go around, which resulted in a runway excursion and impact with a ditch.NTSB GAA19CA504Accident · No injuriesData collectionFinal reportCessna 182 · Oakland, CAThe pilot's premature full retraction of the flaps during a go-around and his subsequent improper decision to turn with a minimal climb gradient, which resulted in an off-airport landing and a landing gear collapse.NTSB WPR19LA231Accident · No injuriesClass 3 · LimitedFinal reportCessna P210 · Novato, CAThe pilots’ improper landing flare, which resulted in a hard landing and collapse of the nose landing gear.NTSB WPR19LA201Accident · No injuriesClass 3 · LimitedFinal reportCessna R182 · King City, CAA landing gear collapse following an undetermined loss of electrical power, which prevented the landing gear from fully extending.NTSB GAA19CA436Accident · No injuriesData collectionFinal reportGrosch Starduster TOO · Lincoln, CAThe pilot's improper landing flare, which resulted in a hard landing, subsequent loss of directional control, runway excursion, and ground-loop.NTSB WPR19CA067Accident · Minor injuriesData collectionFinal reportChampion 7ECA · Chino, CAThe pilot's loss of directional control while landing, which resulted in a ground loop.NTSB GAA19CA073Accident · No injuriesData collectionFinal reportBeech C23 · Porterville, CAThe pilot's improper landing flare, which resulted in an abnormal landing and subsequent porpoise.NTSB GAA18CA555Accident · No injuriesData collectionFinal reportHimmeroeder Hansgeorg Bearhawk · Williams, CAThe pilot’s failure to maintain directional control during the landing roll.NTSB GAA18CA474Accident · No injuriesData collectionFinal reportDiamond DA20 · Van Nuys, CAThe student pilot's failure to maintain directional control during landing in a left quartering headwind, which resulted in a ground loop.NTSB GAA18CA395Accident · No injuriesData collectionFinal reportCostruzioni Aeronautiche Tecna P2002 Sierra · San Carlos, CAThe pilot’s failure to maintain a proper glidepath and crosswind correction during landing, which resulted in an aerodynamic stall.NTSB ANC18LA043Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Ramona, CAThe failure of the engine-driven hydraulic pump due to the installation of improper cap screws, which resulted in a gap in the pump housing, a subsequent hydraulic leak, and the landing gear collapsing.NTSB WPR18CA146Accident · No injuriesData collectionFinal reportAyres S2R G10 · Marysville, CAThe pilot’s failure to maintain clearance from a truck while on final approach after the airplane encountered a downdraft, which resulted in the subsequent failure of the right main landing gear and loss of directional control.NTSB WPR18LA153Accident · No injuriesLimited investigationFinal reportPiper PA24 · San Jose, CAA landing gear retraction during the landing rollout for reasons that could not be determined based on the available evidence.NTSB WPR18LA129Accident · No injuriesClass 3 · LimitedFinal reportGulfstream AM Corp Comm Div 695A · Bishop, CAThe failure of the left main landing gear upper arm forging due to fatigue cracking and subsequent overstress, which resulted in the collapse of the landing gear during the landing roll.NTSB GAA18CA201Accident · Minor injuriesData collectionFinal reportCessna 172 · Livermore, CAThe student pilot’s failure to maintain runway centerline and flight instructor’s delayed remedial action during landing.NTSB GAA18CA190Accident · No injuriesData collectionFinal reportCessna 180 · Salina, CAThe pilot’s failure to maintain directional control during landing.NTSB GAA18CA169Accident · No injuriesData collectionFinal reportCubcrafters CC11-160 · Mammoth Lakes, CAThe pilot’s failure to maintain directional control during the landing roll in a gusting crosswind conditions, which exceeded the airplane’s maximum demonstrated crosswind and resulted in the collapse of the left main landing gear.NTSB GAA18CA103Accident · Minor injuriesData collectionFinal reportHarrop Blake RV 7 · Death Valley National Park, CAThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack during the landing flare, which resulted in an aerodynamic stall.NTSB GAA18CA077Accident · No injuriesData collectionFinal reportCzech Sport Aircraft a.s. Sport Cruiser · Sacramento, CAThe pilot’s improper landing flare, which resulted in a hard landing. Contributing to the accident was the pilot’s failure to securely lock the canopy before takeoff.