NTSB investigations
285 cases where the first occurrence was “Gear collapsed”.
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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 190) 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 190) 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 MIA00LA072Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Palmetto, FLFailure for undetermined reasons of the right main landing gear strut during landing resulting in collapse of the right main landing gear.NTSB SEA00LA024Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Goldendale, WAThe pilot's failure to maintain directional control. A factor was a rock just off the edge of the runway surface.NTSB ATL00LA013Accident · No injuriesLimited investigationFinal reportBeech BE36 · Daytona Beach, FLThe collapse of the main landing gear for undetermined reasons.NTSB ATL00LA010Accident · No injuriesLimited investigationFinal reportCessna 310Q · Jacksonville, FLThe failure of the left main landing gear down locking mechanism for undetermined reasons.NTSB MIA00LA023Accident · No injuriesLimited investigationFinal reportPiper PA-34-200 · Olive Branch, MSThe private-rated student pilots inadvertent retraction of the main landing gear during a touch-and-go landing. Contributing to the accident was the flight instructors improper supervision of the dual student.NTSB MIA00LA016Accident · No injuriesLimited investigationFinal reportCessna 152 · Cornelia, GAthe pilot misjudged the flare, causing the airplane to porpoise, and subsequently impact with the runwayNTSB CHI00LA010Accident · No injuriesLimited investigationFinal reportCessna 172G · Cambridge, MNthe fractured main landing gear due to the improper maintenance by an unknown person(s) and the inadequate annual inspection by an unqualified person.NTSB ANC00LA002Accident · No injuriesLimited investigationFinal reportCessna A185E · Yakutat, AKThe pilot's selection of an unsuitable landing area. A factor associated with the accident was soft terrain.NTSB NYC99LA230Accident · No injuriesLimited investigationFinal reportCessna 182 · Pepperell, MAA landing gear bolt failure for undetermined reasons.NTSB NYC99LA226Accident · No injuriesLimited investigationFinal reportPiper PA-22-108 · Manassas, VAThe pilot's failure to recover from a sideslip maneuver, and flare the airplane before touchdown.NTSB MIA99LA248Accident · No injuriesLimited investigationFinal reportDouglas DC3C-S4C4G · Charlotte, NCthe pilot-in-command did not use the check list which resulted in the right main landing gear collapsing.NTSB LAX99LA227Accident · No injuriesLimited investigationFinal reportCessna 120 · Chino, CAA preexisting fatigue fracture of the right axle.NTSB SEA99LA088Accident · No injuriesLimited investigationFinal reportRyan Navion B · Klamath Falls, ORThe pilot's failure to reinstall the engine oil filler cap during preflight, resulting in engine oil loss and the necessity for an immediate landing.NTSB LAX99LA241Accident · No injuriesLimited investigationFinal reportRockwell 690B · Monterey, CAThe failure of maintenance personnel to properly adjust the drag brace preload during recent landing gear maintenance, which resulted in the overload failure and separation of the hydraulic cylinder attach boss.NTSB DEN99LA100Accident · No injuriesLimited investigationFinal reportButler SX-300 · Hill Afb, UTA failure of the left main landing gear attachment for undetermined reasons.NTSB DEN99LA094Accident · No injuriesLimited investigationFinal reportCessna 182B · Salt Lake City, UTFailure of the nose landing gear scissors bolt for undetermined reasons.NTSB NYC99LA154Accident · No injuriesLimited investigationFinal reportCessna 172RG · Morristown, NJThe right main landing gear collapsed for undetermined reasons.NTSB CHI99LA156Accident · No injuriesLimited investigationFinal reportBeech 99A · Bemidji, MNFailure of the left main landing gear actuator for undetermined reasons.NTSB SEA99LA053Accident · No injuriesLimited investigationFinal reportBeech 35-C33 · Hillsboro, ORA landing gear collapse for undetermined reasons.NTSB ANC99LA042Accident · No injuriesLimited investigationFinal reportCessna 180 · Iliamna, AKThe improper installation of the main landing gear attaching bolt by maintenance personnel, which resulted in total failure of the bolt and collapse of the landing gear.NTSB NYC99IA079Incident · No injuriesIncident investigationFinal reportCessna 550 · State College, PAImproper assembly of the left main landing gear (LMLG) actuator by the airplane manufacturer, which resulted in an incorrect 'locked' indication on the LMLG switch, and the subsequent collapse of the LMLG during taxi.NTSB CHI99LA097Accident · No injuriesLimited investigationFinal reportCessna 182E · East Troy, WIthe collapse of the right main landing gear from a preexisting fatigue crack.NTSB ATL98LA130Accident · No injuriesLimited investigationFinal reportCessna 210L · Orlando, FLA 6-8 inch crack on the right main landing gear strut, which allowed the hydraulic fluid to escape from the system, along with a power pack sequencing valve failure which allowed the main landing gear to fold on landing. A factor in the accident was the…NTSB NYC98LA186Accident · No injuriesLimited investigationFinal reportCessna 180 · Lakeshore, MDFailures of the right float's nose wheel do to a preexisting fatigue crack.NTSB CHI98LA295Accident · Minor injuriesLimited investigationFinal reportNorth American SNJ-6B · Quincy, ILthe right main landing gear collapsed for undetermined reasons.NTSB IAD98LA114Accident · No injuriesLimited investigationFinal reportLet Blanik L-13 · Hammonton, NJImproper maintenance, which resulted in an over-pressurized landing gear.NTSB ANC98IA096Incident · No injuriesIncident investigationFinal reportCessna 185 · Homer, AKThe failure of the right main landing gear leg due to corrosion pitting and fatigue.NTSB LAX98LA216Accident · No injuriesLimited investigationFinal reportCessna 180H · Ocotillo Wells, CAFailure of the left main landing gear due to a probable hard landing at an undetermined time.NTSB CHI98LA196Accident · No injuriesLimited investigationFinal reportCessna 172K · Omaha, NEThe aircraft modification not being in compliance with the Supplemental Type Certificate. A factor to the accident was the fracture of the landing gear axle during landing.NTSB CHI98LA174Accident · No injuriesLimited investigationFinal reportCessna 310L · Wheeling, ILthe collapse of the left main landing gear for undetermined reasons.NTSB MIA98LA125Accident · No injuriesLimited investigationFinal reportPiper PA-34-200T · Fort Lauderdale, FLThe failure of the O-rings in the landing gear hydraulic cylinder.NTSB LAX98LA036Accident · No injuriesLimited investigationFinal reportCessna 172RG · San Diego, CAOverload of the main gear actuator piston and the subsequent collapse of the landing gear.NTSB CHI98LA001Accident · No injuriesLimited investigationFinal reportCessna T210N · Fargo, NDthe circuit breaker for the hydraulic pump popped during gear extension which resulting in the failure of the landing gear to lock in the extended position.NTSB FTW97LA370Accident · No injuriesLimited investigationFinal reportCessna 210L · Albuquerque, NMThe fracture of the right main hydraulic landing gear actuator housing assembly due to overload.NTSB FTW97LA342Accident · No injuriesLimited investigationFinal reportBeech V35 · Sulphur Springs, TXthe pilot's delayed extension of the landing gear.NTSB LAX97LA277Accident · No injuriesLimited investigationFinal reportCessna 310 · Mesa, AZinadequate maintenance inspection of the landing gear system, following a prior incident, due to the mechanic's failure to follow the service manual instructions.NTSB CHI97LA186Accident · Minor injuriesLimited investigationFinal reportHulliberger Starduster II · Berrien Springs, MIthe failure of the landing gear axle due to fatigue.NTSB FTW97LA216Accident · Minor injuriesLimited investigationFinal reportWsk Pzl Mielec M-18 · Swifton, ARMain landing gear collapse resulting from a failure of the torque link assembly attaching bolt. A factor was the lack of required maintenance (lubrication of the bolt) which resulted in the bolt becoming dry and corroded.NTSB NYC97LA112Accident · No injuriesLimited investigationFinal reportLuscombe LL-8-E · Charlottesville, VAThe left main landing gear collapsed due to corrosion.NTSB CHI97LA087Accident · No injuriesLimited investigationFinal reportCessna T210 · Janesville, WIthe pilot inadvertently retracting the landing gear during the takeoff roll.NTSB FTW97LA107Accident · No injuriesLimited investigationFinal reportPiper PA-32R-300 · Salida, COThe airplane's performance being exceeded due to the pilot's inadequate preflight planning. Factors were the uphill runway, high density altitude, and the pilot's lack of experience performing takeoffs from a high altitude airport.NTSB NYC97LA047Accident · No injuriesLimited investigationFinal reportCessna 650 · Wilkes-Barre, PAThe collapse of the left main landing gear as a result of the malfunction of the downlock actuator for undetermined reasons.NTSB FTW97LA041Accident · No injuriesLimited investigationFinal reportCessna 172RG · Tulsa, OKThe failure of the main landing gear pivot gear assembly.NTSB CHI96LA272Accident · No injuriesLimited investigationFinal reportMaule MT-7-235 · Poseyville, INthe pilot's improper flare during the landing. A factor relating to the accident was: the pilot's lack of familiarity with the make and model of airplane.NTSB SEA96LA162Accident · No injuriesLimited investigationFinal reportConkey/Wapelhorst Lancair 235 · Cottage Grove, ORrelease of the main landing gear locking mechanism for undetermined reason(s).NTSB SEA96LA127Accident · No injuriesLimited investigationFinal reportPiper PA-34-200T · Aurora, ORinadvertent retraction of the landing gear by the pilot during landing.NTSB CHI96LA148Accident · No injuriesLimited investigationFinal reportFairchild M-62C · Garden City, KSfailure of the left main landing gear strut due to corrosoion.NTSB ANC96LA062Accident · Minor injuriesLimited investigationFinal reportCessna 170B · Togiak, AKfatigue failure of the right main landing gear strut.NTSB BFO96LA033Accident · No injuriesLimited investigationFinal reportCessna 210 · Baltimore, MDfailure of the pilot to ensure that the landing gear was fully down and locked before landing.NTSB LAX95LA274Accident · No injuriesLimited investigationFinal reportNorth American AT-6F · Long Beach, CAthe failure of the left main landing gear locking mechanism to fully seat in the 'down' position due to loose attachment bolts.