NTSB investigations, CA
54 cases where the defining event was Landing gear collapse.
Cases per year
| 2008 | 2 |
|---|---|
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 4 |
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
| 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '094')
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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '094') 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 WPR27LA026Accident · No injuriesClass 3 · LimitedInvestigation openCessna 182N · Santa Maria, CANTSB 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 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 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 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 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 WPR20LA306Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Upland, CAThe failure of the right landing gear due to fatigue cracking.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 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 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 WPR17LA210Accident · No injuriesLimited investigationFinal reportCessna 210 · Sacramento, CAPartial retraction of the main landing gear during the landing roll for reasons that could not be determined because postaccident examination and functional testing of the gear revealed no anomalies.NTSB WPR17LA204Accident · No injuriesClass 3 · LimitedFinal reportCessna T210N · Watsonville, CAThe pilot’s improper landing flare, which resulted in a bounced landing and subsequent nose gear separation.NTSB WPR17IA189Incident · No injuriesClass 3 · IncidentFinal reportCessna 560XL · San Jose, CAThe mechanic’s incorrect installation of the right main landing gear (MLG) aft trunnion pivot pin, which resulted in the pin separating from the trunnion, the trunnion puncturing the right wing, and the right MLG collapsing.NTSB WPR17LA165Accident · No injuriesClass 3 · LimitedFinal reportLake LA 4 · Byron, CAThe pilot’s failure to activate the hydraulic system during the approach, and his failure to ensure that the landing gear was down and locked before touchdown. Contributing to the accident was the pilot's decision to operate the airplane with an inoperative…NTSB WPR17LA131Accident · No injuriesClass 3 · LimitedFinal reportCessna 421B · Carlsbad, CAThe right main landing gear collapse for undetermined reasons.NTSB GAA17CA301Accident · No injuriesData collectionFinal reportZwicker Murray R Glastar · Napa, CAThe amphibious float-equipped airplane's encounter with a submerged object during a water landing, which resulted in a nose-over.NTSB WPR17LA051Accident · No injuriesLimited investigationFinal reportCessna 421C · Jackson, CAThe failure of the right main landing gear torque link bolt in overstress, which resulted in the collapse of the landing gear during the landing roll.NTSB WPR16LA163Accident · No injuriesLimited investigationFinal reportCessna TR182 · Torrance, CAThe failure of the right main landing gear to fully extend for reasons that could not be determined because postaccident examination and testing did not reveal any evidence of preimpact mechanical failures or malfunctions that would have precluded normal…NTSB WPR16LA139Accident · No injuriesLimited investigationFinal reportCessna 140 · Salinas, CAThe fatigue failure of a bulkhead-skin joint that supported the main landing gear leg, which resulted in the collapse of the left main landing gear. Contributing to the failure were the non-original structural configuration of the 60-year-old airplane and the…NTSB WPR16LA058Accident · No injuriesLimited investigationFinal reportCessna 340A · Bakersfield, CAMaintenance personnel’s repeated failure to re-rig the main landing gear (MLG) in accordance with the airplane manufacturer's service manual requirements, which resulted in the collapse of the right MLG.NTSB WPR16IA025Incident · No injuriesIncident investigationFinal reportCirrus Design SR22T · Paso Robles, CAThe failure of the nose landing gear due to unanticipated fatigue loads.NTSB WPR15LA184Accident · No injuriesLimited investigationFinal reportEclipse EA500 · Sacramento, CAA manufacturing defect that resulted in fatigue failure of the left main landing gear trunnion.NTSB GAA15LA092Accident · No injuriesLimited investigationFinal reportCzech Aircraft Works Spol Sro Sportcruiser · Fresno, CAThe failure of the nose landing gear (NLG) leg due to fatigue fractures, which resulted in the NLG collapsing during landing.NTSB WPR15IA105Incident · No injuriesIncident investigationFinal reportEvo13 Lancair Evolution · San Carlos, CAThe collapse of the nose landing gear (NLG) due to the separation of the right trunnion pin from the NLG strut as a result of reverse-bending fatigue.NTSB WPR15LA113Accident · No injuriesLimited investigationFinal reportMooney M20E - NO Series · Bakersfield, CAThe collapse of all three landing gear during the takeoff roll for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR14TA248Accident · No injuriesFinal reportLockheed SP 2H · Fresno, CAThe collapse of the nosewheel landing gear due to the disengagement of the nosewheel landing gear pin. Contributing to the accident was the failure of the main hydraulic system due to overpressurization for reasons that could not be determined during…NTSB WPR14LA253Accident · No injuriesLimited investigationFinal reportMcdonnell Douglas Helicopter 500N · Santa Monica, CAThe fracture of the right aft landing gear strut due to undetected fatigue cracking in an inboard rivet hole.NTSB WPR14LA134Accident · No injuriesLimited investigationFinal reportCessna 170B · San Luis Obispo, CACorrosion of the bulkhead assembly in the left main landing gearbox area, which resulted in the structural failure of the bulkhead and the subsequent landing gear collapse.NTSB WPR14LA105Accident · No injuriesLimited investigationFinal reportPiper PA 23-250 · Camarillo, CAThe inadequate hydraulic pressure due to a damaged O-ring in the hydraulic powerpack, which prevented the right main landing gear (MLG) downlock from locking in the extended positon and allowed the right MLG to collapse during landing.NTSB WPR14LA051Accident · No injuriesLimited investigationFinal reportPiper PA 31P · Calexico, CAThe pilot’s failure to maintain the proper pitch attitude during the landing, which resulted in the nose landing gear contacting the surface hard and then separating from the airplane.NTSB WPR13CA413Accident · No injuriesData collectionFinal reportCessna T310R · San Luis Obispo, CAThe pilot's inadvertent action of retracting the landing gear instead of the flaps during the landing roll, which resulted in the right main landing gear collapsing.NTSB WPR13LA214Accident · No injuriesLimited investigationFinal reportCessna 421A · Oakland, CAA failure of the left main landing gear pivot bolt in overstress during landing.NTSB WPR13IA026Incident · No injuriesIncident investigationFinal reportCessna P210N · Oakland, CAThe pilot’s failure to follow proper procedures to confirm that the main landing gear was down and locked before landing.NTSB WPR12LA261Accident · No injuriesLimited investigationFinal reportPiper PA46R-350T · Cameron Park, CAThe fatigue failure of the nose landing gear actuator attach foot during the landing roll. Contributing to the accident was the non-compliance with the manufacturer’s service bulletin.NTSB WPR12LA052Accident · No injuriesLimited investigationFinal reportBeech 76 · San Carlos, CAThe collapse of the right main landing gear during the turn off the runway due to the failure of the A-frame assembly.NTSB WPR11LA108Accident · No injuriesLimited investigationFinal reportPiper PA-28-201T · Santa Ana, CAThe failure of the left main landing gear due to the lack of lubrication.NTSB WPR11LA074Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Chino, CAFatigue cracking of the upper torque-link attach lugs on the left main landing gear strut, which resulted in separation of the left main landing gear during taxi.NTSB WPR11LA063Accident · No injuriesLimited investigationFinal reportChampion 7KCAB · Rialto, CAFatigue cracking of the left main landing gear leg, which resulted in a gear collapse during landing.NTSB WPR10LA191Accident · No injuriesLimited investigationFinal reportBeech 58 · Santa Barbara, CAThe landing gear collapsing during the landing roll for undetermined reasons.NTSB WPR10LA173Accident · No injuriesLimited investigationFinal reportWilliams Yakovlev YAK 3UPW · Half Moon Bay, CAThe failure of left main landing gear actuator to lock in the down position due to low down-lock pressure as a result of a contaminated down-lock track and corroded down-lock balls.