NTSB investigations
1,789 cases where the sequence of events included 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 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."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 GAA21WA153Incident · No injuriesClass 5 · ForeignPiper PA-34-200T · Tambor, Costa RicaNTSB GAA21WA092Accident · No injuriesClass 5 · ForeignBeech 95B55 · Warwickshire, United KingdomNTSB ERA21LA159Accident · No injuriesClass 4 · LimitedFinal reportCessna 210 · Marianna, FLThe failure of the alternator control unit housing plug connection, which resulted in insufficient battery power to fully extend the landing gear. Contributing to the accident was the pilot’s decision to not use the emergency gear extension handle to secure…NTSB ANC21LA022Accident · No injuriesClass 3 · LimitedFinal reportCessna A185F · Skwentna, AKInstallation of improper hardware on the ski check cable. Contributing to the accident was the inadequate inspection of the ski yokes, which resulted in the subsequent failure of the right main landing gear ski yoke and collapse of the right main landing gear…NTSB ERA21LA158Accident · No injuriesClass 4 · LimitedFinal reportVashon Ranger R7 · Hampton, GAThe student pilot’s improper flare while landing with a gusting crosswind which resulted in a hard landing and separation of the left landing gear.NTSB ERA21LA147Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Johnstown, NYA failure of the landing gear system hydraulic pump assembly for reasons that could not be determined based on available evidence. Contributing was the pilot’s failure to confirm that the landing gear was down and locked before landing.NTSB ANC21LA019Accident · No injuriesClass 4 · LimitedFinal reportCessna U206G · McGrath, AKThe pilot’s selection of an unsuitable landing surface.NTSB CEN21LA186Accident · No injuriesClass 4 · LimitedFinal reportPiper PA 46-350P · Aspen, COThe pilot’s failure to maintain directional control on landing.NTSB CEN21LA147Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-23 · Oshkosh, WIThe failure of the nose landing gear lower drag link for reasons that could not be determined based on available information, which resulted in the collapse of the nose landing gear.NTSB ERA21LA138Accident · Serious injuriesClass 3 · LimitedFinal reportDassault Mirage F1 B · Panama City, FLNose landing gear contact with a raised aircraft arresting system during takeoff, which damaged components of the nose wheel steering system and resulted in an uncommanded left turn and loss of directional control.NTSB ERA21LA146Accident · No injuriesClass 3 · LimitedFinal reportCessna P210 · Bartow, FLA leaking left main landing gear down lock actuator, which resulted in a loss of hydraulic fluid and a subsequent landing gear collapse during landing.NTSB WPR21LA117Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-44-180 · Redmond, ORFailure of the landing gear strut piston tube due to fatigue cracking from corrosion pitting.NTSB ERA21LA113Accident · No injuriesClass 4 · LimitedFinal reportCessna 182 · Rockingham, NCThe pilot’s improper recovery from a bounced landing, which resulted in a subsequent hard landing and a runway excursion.NTSB ERA21LA112Accident · No injuriesClass 3 · LimitedFinal reportCessna U206 · Denton, NCA partial loss of engine power for reasons that could not be determined based on available information.NTSB CEN21LA112Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32R-301 · Sparta, MIThe pilot’s failure to maintain the proper glideslope during final approach, which resulted in contact with a snowbank at the approach end of the runway.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 ERA21LA238Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46R-350T · York, PAAn improper weld repair of the engine mount, which resulted in a fatigue failure of the mount and subsequent nose landing gear collapse. Contributing to the accident was maintenance personnel’s failure to accomplish the manufacturer’s service bulletin…NTSB CEN21LA099Accident · No injuriesClass 4 · LimitedFinal reportCessna 150K · Peyton, COThe student pilot did not maintain directional control of the airplane while landing. Contributing to the accident was the pilot’s diverted attention to the incorrect flap setting.NTSB CEN21LA097Accident · No injuriesClass 4 · LimitedFinal reportCessna 170 · Albion, NEThe pilot’s failure to maintain directional control during the landing with a tailwind.NTSB CEN21LA058Accident · No injuriesClass 4 · LimitedFinal reportTemco GC-1B · Waukegan, ILThe pilot’s failure to maintain directional control during takeoff with a crosswind that resulted in a ground loop and impact with terrain.NTSB CEN21LA108Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR20 · Fort Worth, TXA failure of the nose wheel landing strut for reasons that could not be determined based on available information.NTSB DCA21WA019Incident · No injuriesClass 5 · ForeignFairchild 227 · Mendoza, ArgentinaNTSB WPR21LA037Accident · No injuriesClass 3 · LimitedFinal reportRemos Aircraft Gmbh Flugzeugbau GX · Glendale, AZThe material overstress failure of the airframe’s aluminum carry-through of the main landing gear.NTSB CEN21LA233Accident · No injuriesClass 3 · LimitedFinal reportCessna 140 · Edinburg, TXThe collapse of the airplane’s left main landing gear for a reason that could not be determined based upon the available evidence.NTSB WPR21WA026AccidentClass 4 · ForeignPiper PA46 · Limpopo Province, South AfricaNTSB ERA21LA021Accident · No injuriesClass 3 · LimitedFinal reportBeech 99 · Waterville, MEA failure of the right main landing gear drag leg support fitting and angle bracket as a result of multiple areas of fatigue cracking.NTSB CEN21LA009Accident · No injuriesClass 4 · LimitedFinal reportMooney M20F · Denver, COFailure of the landing gear motor that prevented the gear from extending fully to the down and locked position, which resulted in a gear collapse on landing and a subsequent loss of directional control.NTSB ERA20LA342Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7GCB · DeFuniak Springs, FLThe failure of the left landing gear airframe cross tube during landing, due to corrosion hidden under riveted fairing.NTSB ERA20LA341Accident · No injuriesClass 3 · LimitedFinal reportTecnam P92 · Centerville, MDThe fatigue failure of the No. 1 cylinder exhaust valve spring retainer due to air trapped in the lubrication system, which resulted in a total loss of engine power.NTSB ERA20LA337Accident · No injuriesClass 4 · LimitedFinal reportLancair 235 · Chester, CTThe pilot's unstable approach, which resulted in a hard landing, and the separation of the left main landing gear.NTSB CEN20CA416Accident · No injuriesClass 4 · Data collectionFinal reportCessna 172RG · Lafayette, INThe separation failure of a landing gear system hydraulic line and its compression fitting during cruise flight, which resulted in a partial gear up landing.NTSB ERA20LA344Accident · No injuriesClass 4 · LimitedFinal reportBeech B19 · Laconia, NHThe pilot’s improper landing flare, which resulted in a hard, bounced landing and the nose landing gear collapsing.NTSB CEN20CA411Accident · Minor injuriesClass 4 · Data collectionFinal reportCessna R182 · Marksville, LAThe pilot’s inadequate preflight inspection, during which he failed to ensure the landing gear handle in the “down” position which resulted in the landing gear retracting during takeoff, a loss of directional control, and a runway excursion.NTSB CEN20CA382Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · Bellaire, MIThe pilot's loss of directional control during the landing roll.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 CEN20LA372Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 414 · Ray, MIThe pilot’s loss of directional control on takeoff.NTSB ERA20CA304Accident · No injuriesClass 4 · Data collectionFinal reportTecnam P92 · Charlottesville, VAThe student pilot’s improper landing flare, which resulted in a hard, bounced landing and a nose landing gear collapse.NTSB DCA20WA140Accident · No injuriesClass 5 · ForeignBoeing 767 · Bucure?ti, RomaniaNTSB 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 CEN20CA371Accident · No injuriesClass 4 · Data collectionFinal reportCessna 152 · Willoughby, OHThe student pilot’s improper landing flare that resulted in a porpoise and collapsed nose landing gear.NTSB WPR20LA290Accident · No injuriesClass 3 · LimitedFinal reportDiamond DA 40 · Benson, AZThe failure of the nose landing due to fatigue cracking.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 WPR20CA271Accident · No injuriesClass 4 · Data collectionFinal reportRyan ST3KR · Port Townsend, WAThe pilot's failure to maintain directional control during landing, which resulted in a runway excursion and impact with vegetation.NTSB WPR20CA265Accident · No injuriesClass 4 · Data collectionFinal reportCessna 180 · Stanley, IDThe pilot's failure to maintain directional control during takeoff in crosswind conditions, which resulted in a ground loop.NTSB CEN20CA332Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA28R · Englewood, COThe flight instructor did not maintain a proper approach path and landing flare during a landing with a tailwind, which resulted in a hard landing and damaged landing gear. During the subsequent landing with damaged landing gear, the flight instructor lost…NTSB CEN20CA333Accident · No injuriesClass 4 · Data collectionFinal reportCub Crafters Carbon CUB EX · Marion, ILThe pilot's failure to attain/maintain directional control during landing that resulted in a ground-loop and collision with terrain.NTSB CEN20CA351Accident · No injuriesClass 4 · Data collectionFinal reportCessna 172 · Conway, ARThe pilot’s improper recovery from a bounced landing.NTSB WPR20CA254Accident · No injuriesClass 4 · Data collectionFinal reportCessna 182 · Clearwater, ORThe pilot's improper pitch attitude during the soft-field landing roll, which resulted in the tail striking the runway.NTSB ERA20CA268Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA 12 · Linconville, METhe pilot's improper landing flare, which resulted in a bounced landing and subsequent main landing gear collapse.