NTSB investigations
649 cases where the defining event was Landing gear collapse.
Cases, newest first
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.\"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."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 WPR09LA383Accident · No injuriesLimited investigationFinal reportBeech 76 · Glendale, AZThe fatigue failure of the left main landing gear enhanced side brace assembly.NTSB WPR09LA372Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Walla Walla, WAA tripped landing gear motor circuit breaker, which prevented the gear from fully locking in the down position, and subsequent collapse during landing. Contributing to the accident was the disabled landing gear warning horn.NTSB CEN09CA457Accident · No injuriesData collectionFinal reportCessna 310 · Fort Worth, TXThe failure of the pivot pin in the side brace of the right main landing gear resulting in the gear collapse during taxi for undetermined reasons.NTSB ANC09LA064Accident · No injuriesLimited investigationFinal reportDouglas DC-3C · Skwentna, AKA fracture of the airplane's tailwheel shock absorber linkage during taxi, resulting in the collapse of the tailwheel.NTSB WPR09CA319Accident · No injuriesData collectionFinal reportCessna LC-126C · Lincoln, CAA fatigue crack in the left main landing gear strut resulting in the collapse of the strut during the landing roll.NTSB WPR09LA297Accident · No injuriesLimited investigationFinal reportBellanca 17-31ATC · Roosevelt, UTThe retraction of the left main landing gear due to the failure of the extension and retraction actuator arm attach bolt. Contributing to the accident was the failure of maintenance personnel to discover the extensive elongation of the actuator attach fitting…NTSB ERA09IA338Incident · No injuriesIncident investigationFinal reportBombardier CL-600-2B1 · Atlanta, GAThe failure of the left main landing gear to extend due to high levels of particulate contamination in the hydraulic fluid.NTSB CEN09CA315Accident · No injuriesData collectionFinal reportHolsclaw Francis E Starduster · Ranger, TXThe pilot's inability to maintain directional control due to the buckling of the right landing gear as a result of corrosion.NTSB CEN09CA307Accident · No injuriesData collectionFinal reportBeech C35 · Englewood, COThe collapse of the landing gear due to the mechanic's failure to properly wire the landing gear squat switch.NTSB ERA09IA267Incident · No injuriesIncident investigationFinal reportCessna 402C · Nantucket, MAInstallation of an improper bearing in the landing gear actuator.NTSB WPR09LA171Accident · No injuriesLimited investigationFinal reportCessna 550 · Salt Lake City, UTThe uncommanded retraction of the right main landing gear hydraulic actuator strut for undetermined reasons.NTSB CEN09CA356Accident · No injuriesData collectionFinal reportBeech A36 · Charleston, MOThe pilot's inadvertent use of the landing gear selector handle instead of the flap handle during landing rollout, which resulted in the collapse of the nose landing gear.NTSB ERA09LA210Accident · No injuriesLimited investigationFinal reportCessna 310K · Ocala, FLThe right main landing gear collapse as a result of the pilot's improper flare during a previous landing. Contributing to the accident was the flight instructor's inadequate supervision.NTSB ERA09LA209Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Lumberton, MSCollapse of the landing gear due to worn left main landing gear components.NTSB ANC09CA033Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Fairbanks, AKThe pilot's selection of unsuitable terrain for landing, which resulted in the main landing gear collapsing during taxi.NTSB CEN09CA119Accident · No injuriesData collectionFinal reportPiper Aerostar 6 · Middletown, OHThe pilot's failure to verify that the landing gear was down and locked prior to landing.NTSB ERA09LA050Accident · No injuriesLimited investigationFinal reportPiper PA-44-180 · Lawrenceville, GAThe failure of the nose gear drag link bolt due to reversed bending fatigue.NTSB CEN09CA045Accident · No injuriesData collectionFinal reportHartter Lenny J Bearhawk · Mack, COThe collapse of the left main landing gear which resulted in the pilot's failure to maintain directional control.NTSB ERA09CA006Accident · No injuriesData collectionFinal reportBeech F17D · Moscow, TNThe mechanical failure of the landing gear actuation chain.NTSB ENG08IA042IncidentIncident investigationFinal reportBoeing 737 · Chicago, ILThe right nose landing gear axle's failure from intergranular and fatigue cracking due to an earlier bearing failure.NTSB SEA08CA211Accident · No injuriesData collectionFinal reportCessna 180 · Bluff, UTThe pilot's encounter with the rough, uneven, and eroded condition of the airstrip.NTSB CHI08LA297Accident · Serious injuriesLimited investigationFinal reportPowrachute Pegasus · New London, WIThe pilot's loss of directional control during landing due to failure of the nose wheel support as a result of an inadequate weld.NTSB NYC08CA315Accident · No injuriesData collectionFinal reportPiper PA-30 · Jefferson, GAThe pilot's failure to follow the airplane manufacturer's landing gear failure and emergency extension procedures. Contributing to the accident was a malfunction of the landing gear system for undetermined reasons.NTSB MIA08LA185Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Sparta, TNFailure of the nose landing gear mount during a normal landing due to an improper weld.NTSB NYC08CA301Accident · No injuriesData collectionFinal reportSteppling RV-6A · Toughkenamon, PAThe pilot's improper recovery from a bounced landing.NTSB ANC08CA115Accident · No injuriesData collectionFinal reportPiper PA-22 · Fairbanks, AKThe pilot's selection of an unsuitable landing site, resulting in a main landing gear collapse during the landing roll.NTSB DEN08CA144Accident · No injuriesData collectionFinal reportPiper PA-24-250 · Pine Bluff, ARLanding gear collapse for reasons undetermined.NTSB ANC08CA103Accident · No injuriesData collectionFinal reportBellanca 8GCBC · Northway, AKThe pilot's inadequate evaluation of weather conditions while landing, which resulted in a hard landing. A factor contributing to the accident was a tailwind.NTSB CHI08LA214Accident · Minor injuriesLimited investigationFinal reportBolenbaugh Phillip William Rans S-6ES · Oshkosh, WIThe pilot's improper landing flare, which resulted in a hard landing and subsequent collapse of the nose landing gear.NTSB DFW08CA194Accident · No injuriesData collectionFinal reportBeech 65-A80 · Midland, TXThe failure of the landing gear retraction/extension mechanism due to it being jammed by displaced sound proofing material.NTSB LAX08LA304Accident · No injuriesLimited investigationFinal reportBeech N35 · The Dalles, ORA collapse of the right main landing gear for undetermined reasons.NTSB CHI08CA179Accident · No injuriesData collectionFinal reportCessna 195 · Lansing, ILThe pilot's inadequate compensation for the gusting crosswind condition during landing. Contributing to the accident was the strong gusting crosswind condition.NTSB LAX08CA202Accident · No injuriesData collectionFinal reportBeech F33/G · Groveland, CAThe pilot's inadequate compensation for the gusty crosswind conditions and failure to maintain proper alignment at touchdown resulting in a side load on the landing gear, which caused them to collapse.NTSB DFW08CA172Accident · No injuriesData collectionFinal reportTaylorcraft DCO-65 · Somerset, TXThe right main landing gear strut failure due to metal fatigue.NTSB SEA08LA157Accident · No injuriesLimited investigationFinal reportRockwell 690B · Baker City, ORThe landing gear collapse during the landing roll due to the fracture of the inboard hydraulic cylinder clevis pin housing boss for undetermined reasons.NTSB LAX08LA184Accident · No injuriesLimited investigationFinal reportMooney M20J · Evanston, WYA collapse of the landing gear due to improper maintenance.NTSB NYC08IA206Incident · No injuriesIncident investigationFinal reportCirrus SR20 · Sanford, FLA failure of the nose landing gear strut weldment.NTSB NYC08LA204Accident · Minor injuriesLimited investigationFinal reportCessna 421C · Greenville, NCThe malfunction and premature retraction of the landing gear for undetermined reasons.NTSB SEA08LA117Accident · No injuriesLimited investigationFinal reportRockwell 690C · Minden, NVThe collapse of both main landing gear for undetermined reasons.NTSB DFW08IA126Incident · No injuriesIncident investigationFinal report2007 Savage Air Epic LT · Uvalde, TXThe pilot's excessive speed during a turn off the active runway to the taxiway which exceeded the lateral limits of the supporting landing gear structure resulting in the collapse of the left main gear.NTSB DFW08TA128Accident · No injuriesFinal reportBeech C90 · Baton Rouge, LAStructural failure of the right main landing gear torque knee. A contributing factor was the failure to inspect the torque knee at the designated interval.NTSB DFW08CA109Accident · No injuriesData collectionFinal reportBeech C23 · Santa Fe, NMThe pilot's improper recovery from a bounced landing.NTSB NYC08LA162Accident · No injuriesLimited investigationFinal reportCessna 560XL · White Plains, NYAn uncommanded landing gear retraction after touchdown for undetermined reasons.NTSB DFW08CA099Accident · No injuriesData collectionFinal reportCessna 310Q · Roswell, NMThe airframe and powerplant mechanic's incorrect reassembly of the landing gear.NTSB MIA08LA066Accident · No injuriesLimited investigationFinal reportCessna 210L · Tampa, FLThe malfunction of the right main landing gear down-and-locked switch.NTSB LAX08LA060Accident · No injuriesLimited investigationFinal reportCessna 305-A · Mokuleia, HIThe failure of the left main landing gear strut due to fatigue. Contributing to the failure was the side load placed on the landing gear while making a crosswind landing.NTSB SEA08LA079Accident · No injuriesLimited investigationFinal reportCessna P210N · Carefree, AZThe collapse of the landing gear during landing rollout for undetermined reasons.NTSB CHI08LA070Accident · No injuriesLimited investigationFinal reportBeech 58 · Cahokia, ILMaintenance personnel's improper replacement of the landing gear leg brace assembly which subsequently failed to keep the landing gear in the locked position.NTSB SEA08LA064Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Placerville, CAThe collapse of the right main landing gear during landing for undetermined reasons.