NTSB investigations
406 cases where the first occurrence was “Main 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\" = 191) 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" = 191) 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 CHI92LA091Accident · Minor injuriesLimited investigationFinal reportLuscombe 8E · Farrar, MOPremature liftoff and poor planning by the pilot. Factors related to the accident were the tailwind and misjudged compensation for it along with the rough uneven terrain.NTSB FTW92LA051Accident · No injuriesLimited investigationFinal reportCessna 180K · Orange, TXThe ruptured left main gear tire for undetermined reasons.NTSB BFO92LA012Accident · No injuriesLimited investigationFinal reportJohn W Upton SA-300 · Leon, WVThe defective welding between the axle and the wheel assembly causing the right main gear to collapse.NTSB FTW92LA027Accident · No injuriesLimited investigationFinal reportCessna R182 · Santa Fe, NMThe right main gear collapsed for undetermined reasons, which resulted in the pilot's loss of directional control during the landing roll.NTSB LAX92LA009Accident · No injuriesLimited investigationFinal reportCessna 210 · Riverside, CAThe failure of a hydraulic gear return line, which caused the aircraft's main landing gear to collapse during landing touchdown.NTSB NYC91LA248Accident · No injuriesLimited investigationFinal reportFairchild SW3 · Atlantic City, NJA failure of the down lock roller bearings of the right main landing gear, as the result of an improper modification.NTSB SEA91LA248Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Lewiston, IDThe pilot's failure to maintain directional control.NTSB MIA91LA218Accident · No injuriesLimited investigationFinal reportCessna A188B · Yazoo City, MSSeparation of the right main landing gear during take off due to failure of the bolts which secure the gear to the airframe. Contributing to the accident was the failure of the pilot to abort the takeoff.NTSB CHI91LA227Accident · No injuriesLimited investigationFinal reportAero Commander 500B · Hutchinson, KSThe landing gear handle was placed in the gear up postion prematurely resulting in a gear retraction during takeoff. Factors related to the accident were proper procedures were not followed by the pilot.NTSB FTW91DPG17Accident · No injuriesFinal reportGrumman G-164 · Goodwin, ARThe failure of the right main landing gear.NTSB CHI91LA157Accident · No injuriesLimited investigationFinal reportPiper PA-34-220T · Eau Claire, WIThe inadequate finishing procedures used by the manufacturer and the failure to comply with the manufacturer's bulletin.NTSB ANC91LA056Accident · No injuriesLimited investigationFinal reportCessna C-170B · Manley Hot Sprg, AKThe pilot's selecting unsuitable terrain for landing. Contributing to the accident was the rough landing area.NTSB CHI91LA133Accident · No injuriesLimited investigationFinal reportCessna TR182 · Jackson, MIFailure to the pilot to assure gear extension. Factors related to the accident were the electrical failure due to a seized alternator and diverted attention by the pilot.NTSB CHI91LA076Accident · No injuriesLimited investigationFinal reportCessna 320 · Middleton, WIThe main landing gear collapsed during landing rollout due to extreme cold temperatures. A factor related to the accident was a snowbank adjacent to the runway.NTSB MIA91IA032Incident · No injuriesIncident investigationFinal reportATR ATR-42-300 · St. ThomasThe failure of the left main landing gear side brace lower arm due to fatigue resulting from corrosion formation, which resulted from improper design to prevent corrosion formation.NTSB MIA91LA003Accident · No injuriesLimited investigationFinal reportBeech C-90 · Tampa, FLThe lack of lubrication by maintenance personnel of the nose landing gear actuator.NTSB MIA90LA192Accident · No injuriesLimited investigationFinal reportCessna 402B · St. ThomasSeparation of the left main landing gear torque tube bracket assembly due to sheared rivets from a previous hard side load landing which was not reported.NTSB ANC90LA180Accident · No injuriesLimited investigationFinal reportCessna 185 · Upper Colleen, AKThe pilot-in-command's failure to select suitable terrain for landing. Contributing to the accident was the rough and uneven terrain.NTSB CHI90LA238Accident · No injuriesLimited investigationFinal reportMooney M20B · Winfield, KSNon-compliance of an airworthiness directive by maintenance personnel.NTSB BFO90LA069Accident · No injuriesLimited investigationFinal reportCessna 170B · Frederick, MDFatigue failure of the left main gear wheel axle.NTSB NYC90LA170Accident · No injuriesLimited investigationFinal reportCessna 340A · Prospect, PAAn on ground collision with terrain after the right main landing gear side brace failed due to shear from the soft, wet, rough runway, allowing the right main landing gear to collapse.NTSB LAX90LA242Accident · No injuriesLimited investigationFinal reportCessna 340 · Salinas, CAThe failure of maintenance personnel to reinstall the landing gear retract/extension linkage and the failure of inspection personnel to detect the improper installation.NTSB MIA90LA141Accident · No injuriesLimited investigationFinal reportBeech D95A · Mayaguez, PRThe pilot failed to property align the aircraft with the runway. A factor in the accident was the strong, gusty crosswind.NTSB DEN90LA118Accident · No injuriesLimited investigationFinal reportCessna 310 · Ogden, UTThe failure of the main gear locking mechanism.NTSB ANC90LA073Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Talkeetna, AKCollapse of the left main landing gear due to an overload failure induced by previous damage which occurred during an improper level-off by the pilot.NTSB LAX90LA150Accident · No injuriesLimited investigationFinal reportPiper PA46 · Paso Robles, CAInadequate altitude for proper landing gear extension; not ensuring the landing gear was down and locked; complacency of the certified flight instructor.NTSB LAX90LA120Accident · No injuriesLimited investigationFinal reportCessna 414 · Ramona, CARight main gear scissors assemlby becoming disconnected during landing roll, allowing the right run landing gear to collapse; scissor assembly washers not being replaced as recommended in Cessna aircraft service bulletin ME83-37..NTSB CHI90LA085Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Pontiac, MIOverload failure of the left main landing gear attach bolts for an undetermined reason.NTSB ANC90LA023Accident · No injuriesLimited investigationFinal reportChampion 7ECA · Tanana, AKFailure of the right main gear axle bolt.NTSB LAX90DVG02Accident · No injuriesFinal reportSchweizer G-164B · Knights Landing, CAThe failure of the right main Landing gear due to a sheared bolt that attached the spring leg to the gear.NTSB LAX90DUJ01Accident · No injuriesFinal reportRoger Nelson Aeronica/T · Sierra Vista, AZThe pilot's inaccurate placement of the aircraft wheels into depressions in a platform mounted on a moving pickup truck during an airshow performance.NTSB MIA90LA004Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Orlando, FLFailure of the left main landing gear.NTSB ANC90LA003Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Dillingham, AKFailure of the right main gear.NTSB MIA89LA239Accident · No injuriesLimited investigationFinal reportLake LA-4-200 · Orlando, FLRetraction of the right main landing gear for an unknown reason.NTSB SEA89FA155Accident · No injuriesField investigationFinal reportCessna 402B · Seattle, WAThe landing gear down lock mechanism failure.NTSB ANC89LA142Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Red Lake, AKThe pilot's selection of unsuitable terrain. The rough/uneven terrain was a contributing factor.NTSB MIA89LA216Accident · No injuriesLimited investigationFinal reportCessna 195B · Hollywood, FLThe failure of the left main landing gear spring due to low cycle fatigue, resulting in the loss of control of the ground.NTSB DEN89LA172Accident · No injuriesLimited investigationFinal reportCessna T188C · Fort Benton, MTOverload failure of the left main landing gear attaching bolts for an unknown reason.NTSB DEN89LA147Accident · No injuriesLimited investigationFinal reportBeech A24R · Evanston, WYThe pilot became disoriented and delayed in taking remedial action, which resulted on a critically low fuel level. A factor related to the accident was: rough/uneven terrain in the emergency landing area.NTSB DEN89LA138Accident · No injuriesLimited investigationFinal reportPiper PA-34-200T · Las Cruces, NMFailure of the left main landing gear trunnion. A contributing factor was: inadequate inspection procedure in Piper service bulletin #787A.NTSB ANC89LA093Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Eek, AKFailure of the center torque link bolt on the right main gear.NTSB CHI89LA106Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Elyria, OHFailure (shearing) of the right main gear attaching bolts. A contributing factor was: failure of the owner/operator to comply with service bulletin #673B.NTSB DEN89FA123Accident · Minor injuriesField investigationFinal reportMcdonnell Douglas MD-80 · Denver, COA right main landing gear vibration of unknown origin, which resulted in a failure of the right main landing gear torque link and side brace.NTSB DEN89IA124Incident · No injuriesIncident investigationFinal reportBoeing 727-247 · Denver, COFailure of the left main landing gear forward trunnion bearing support fitting due to a crack initiating at the forward edge of the bore and propagating by intergranular stress corrosion into the bore surface that resulted in an eventual ductile fracture.NTSB LAX89LA201Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · San Diego, CAThe collapse of the right main landing gear due to a bent rod end which prevented the landing gear drag link to lock over center.NTSB SEA89LA089Accident · No injuriesLimited investigationFinal reportChampion 7GCB · Copalis Beach, WAThe pilot's failure to perform the necessary preflight planning and preparation which resulted in the selection of unsuitable terrain for landing. Contributing to the accident was the soft sand bar.NTSB MIA89LA147Accident · No injuriesLimited investigationFinal reportCessna 310P · Fort Myers, FLCollapse of the left main landing gear due to overload failure of the trunnion and bellcrank assembly.NTSB MIA89IA145Incident · No injuriesIncident investigationFinal reportPiper PA-34-200T · Miami, FLFatigue failure of the left main landing gear trunnion. A contributing factor was: inadequate inspection procedure in Piper service bulletin #787A.NTSB CHI89IA084Incident · No injuriesIncident investigationFinal reportFokker F-27 MK500 · Moline, ILMaterial failure of the landing gear retraction and extension assembly. Inadequate maintenance and troubleshooting procedures in company directives were factors in this incident.NTSB NYC89LA127Accident · No injuriesLimited investigationFinal reportCessna 150G · Hudson, NYFatigue failure of the right main strut.