NTSB investigations
996 cases where the sequence of events included Sys/Comp malf/fail (non-power).
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\" = '330' 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" = '330' 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 CEN14LA011Accident · No injuriesLimited investigationFinal reportDavenport Long EZ · Boulder, COThe sudden loss of tire pressure during takeoff roll, which resulted in a loss of directional control.NTSB ERA14LA022Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Franklin, NCThe failure of the left main landing gear brake line during landing due to the loss of hydraulic fluid. Contributing to the accident was a fatigue crack through the brake line that had formed due to contact with a swaged sleeve as a result of exfoliation…NTSB ERA14IA019Incident · No injuriesIncident investigationFinal reportPiper PA 46 350P · Tallahassee, FLThe failure of the nose landing gear (NLG) actuator attachment bolt due to fatigue for reasons that could not be determined during postincident examination, which resulted in the NLG collapsing during landing.NTSB ERA14LA015Accident · Serious injuriesLimited investigationFinal reportPiper PA-22-135 · Selinsgrove, PAThe incorrect (reverse) rigging of the elevator cables by maintenance personnel and their subsequent failure to verify that the rigging was correct during postmaintenance checks and the pilot's inadequate preflight check.NTSB CEN13LA567Accident · No injuriesLimited investigationFinal reportTaylorcraft BC12 D · Laguna Park, TXThe pilot’s inadequate flare during landing, which resulted in a hard landing and the subsequent collapse of the left main landing gear.NTSB ERA13LA409Accident · No injuriesLimited investigationFinal reportPiper PA-31P · Doylestown, PAA leaking parking brake valve, which allowed air to enter the left brake line and resulted in the eventual failure of the left wheel brake during the landing roll.NTSB CEN13LA534Accident · No injuriesLimited investigationFinal reportBarrow Rose Parrakeet · Castroville, TXThe failure of the left main landing gear wheel on landing due to overstress, which resulted in the pilot’s loss of directional control. Contributing to the accident was the pilot's improper decision to install wheels with insufficient loading capacity for…NTSB ERA13LA390Accident · No injuriesLimited investigationFinal reportContinental Copters 47G · Sandy Hook, KYThe in-flight disengagement of the tail rotor extension shaft from the tail rotor gearbox, resulting in a loss of tail rotor control.NTSB CEN13LA531Accident · No injuriesLimited investigationFinal reportCessna/Weaver 305 - E · Paris, TXThe failure of a landing gear O-ring, which prevented the pilot from being able to maintain directional control of the airplane during landing.NTSB CEN13LA524Accident · Serious injuriesLimited investigationFinal reportStemme S10-VT · Mackinaw City, MIThe mechanic’s failure to inspect the tightness of the bolts that connected the flexible disk to the driveshaft, which resulted in the failure of these components.NTSB ANC13CA075Accident · No injuriesData collectionFinal reportCessna 185D · North Pole, AKThe malfunction of the right main wheel brake during taxi due to a faulty O-ring in the right brake pedal master cylinder.NTSB ERA13LA318Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Beaufort, NCA failure of the right brake for reasons that could not be determined because a postaccident examination of the brake could not be performed.NTSB WPR13LA322Accident · No injuriesLimited investigationFinal reportPiper PA-28-235 · Albany, ORThe loss of hydraulic fluid, which rendered the brakes ineffective. The reason for the loss of hydraulic fluid could not be determined based on the available evidence.NTSB WPR13LA310Accident · No injuriesLimited investigationFinal reportRockwell NA-265-65 · Las Vegas, NVThe pilots’ failure to follow the airplane manufacturer’s emergency procedures for a hydraulic system failure and emergency braking, which resulted in the loss of braking action upon landing and the subsequent loss of directional control while turning off the…NTSB WPR13CA306Accident · No injuriesData collectionFinal reportMaule MX7-180A · Elko, NVA flat main landing gear tire during the landing roll for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB ERA13LA312Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Jackson, TNA failure of the right main landing gear wheel rim during the landing roll, resulting in a loss of control and a subsequent collapse of the right main landing gear.NTSB WPR13LA274Accident · No injuriesLimited investigationFinal reportCessna T210L · Fresno, CAA hydraulic fluid leak in the nose landing gear actuator rod seal, which prevented the hydraulic system from building up sufficient pressure to fully retract or extend the main landing gear.NTSB CEN13LA340Accident · Serious injuriesLimited investigationFinal reportVans RV12 · Chadron, NEThe pilot’s failure to properly secure the latch to the tip-up canopy before flight, which resulted in the canopy opening on takeoff and a subsequent loss of airplane control while attempting to land the airplane.NTSB CEN13LA321Accident · No injuriesLimited investigationFinal reportBell 206-L4 · Abbeville, LAFailure of maintenance personnel to ensure adequate torque of a tailrotor drive shaft coupling bolt, which resulted in the partial disconnection of the drive shaft.NTSB DCA13FA094Accident · No injuriesField investigationFinal reportBombardier DHC8 · Newark, NJthe frozen left main landing gear (MLG) uplock roller due to lack of lubrication and the uplock latch that had worn beyond acceptable tolerances, which prevented the flight crew from extending the left MLG using the alternate extension system. Contributing to…NTSB CEN13IA285Incident · No injuriesIncident investigationFinal reportCirrus SR22 · Dallas, TXThe failure of the airplane’s parachute to deploy when activated during a loss of control in cruise flight due to the dynamic maneuvering of the airplane at the time of the activation, which exceeded the parachute system’s certification requirements.NTSB CEN13CA282Accident · No injuriesData collectionFinal reportCessna 172RG · Abbeville, LAThe pilot's failure to properly secure the airplane before hand starting the engine and the failure of the brass tie down hook.NTSB CEN13LA265Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Lyons, KSThe pilot's diverted attention after the door hinge failed and a piece of door glass struck the pilot, resulting in the airplane's descent into the crops and impact with terrain.NTSB WPR13LA214Accident · No injuriesLimited investigationFinal reportCessna 421A · Oakland, CAA failure of the left main landing gear pivot bolt in overstress during landing.NTSB ERA13LA221Accident · Serious injuriesLimited investigationFinal reportAeronca 11AC · Hoosick Falls, NYThe failure of the left wing attachment bracket weld due to inadequate welding by unknown maintenance personnel.NTSB ERA13LA224Accident · No injuriesLimited investigationFinal reportCessna 140A · Newburgh, NYThe pilot’s failure to maintain directional control when the brakes bound and a subsequent ground loop. Contributing to the accident was the inadequate maintenance of the brakes by the pilot/owner.NTSB CEN13IA270Incident · No injuriesIncident investigationFinal reportPiaggio P180 · Clearwater, FLThe failure of the nose landing gear steering manifold during landing, which resulted in an uncommanded and uncontrollable right turn, and the overhaul facility’s improper overhaul of the nose landing gear steering manifold.NTSB ANC13CA046Accident · No injuriesData collectionFinal reportCessna U206G · Nenana, AKIce accretion in the right main landing gear wheel brake during departure, which prevented the right main landing gear from rotating on landing and resulted in a runway excursion and subsequent impact with a snow bank.NTSB CEN13LA231Accident · No injuriesLimited investigationFinal reportNeedham Stoddard-Hamilton TD · Bloomington, INThe improper installation of a rudder control cable connector and its subsequent separation from the bellcrank, which resulted in the loss of directional control during takeoff.NTSB WPR13LA184Accident · Serious injuriesLimited investigationFinal reportBeech A36TC · Big Bear City, CAThe improper overhaul of the propeller, which resulted in the installation of an incorrect propeller actuating pin and deformation of the ferrule hole and led to the pin’s fatigue failure. Contributing to the accident was the failure of multiple owners and…NTSB ERA13IA192Incident · No injuriesIncident investigationFinal reportEmbraer EMB-500 · Meridian, MSThe failure of the main landing gear brake system’s antiskid system, which resulted in locked wheels during landing.NTSB CEN13LA212Accident · Minor injuriesLimited investigationFinal reportCirrus SR22T · Alexandria, MNThe failure of maintenance personnel to install a safety wire during reinstallation of the right flap, which led to the separation of the right flap rod from the right flap actuation fitting during flap extension. Contributing to the accident were inadequate…NTSB ERA13LA175Accident · No injuriesLimited investigationFinal reportMooney M20F · Leesburg, FLThe incorrect rigging of the landing gear emergency extension system by unknown maintenance personnel, which resulted in a failure of the emergency extension cable, and jamming of the normal extension gear motor.NTSB DCA13WA167Incident · No injuriesForeign investigationBoeing 737 · Quetta, PakistanThe Civil Aviation Authority (CAA) of Pakistan has notified the NTSB of an incident involving a Boeing 737, registration AP-BFT, which occurred on August 3, 2013. The NTSB has appointed a U.S. Accredited Representative to assist the CAA investigation under…NTSB ANC13LA032Accident · No injuriesLimited investigationFinal reportCessna A185F · Talkeetna, AKThe overstress fracture and failure of the right wheel/ski arm while taxiing in snow and water-overflow terrain conditions, which resulted in a noseover.NTSB ERA13LA148Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Sanford, NCThe installation of an incorrect length of cotter pin on the throttle linkage clevis pin by maintenance personnel at an undetermined time, which resulted in the pin coming loose and the loss of throttle control.NTSB ERA13CA149Accident · No injuriesData collectionFinal reportBucker Jungmann Casa 1.31 · Rupert, GAThe fracture of the left main landing gear axle, which resulted in a loss of control during landing.NTSB CEN13LA170Accident · No injuriesLimited investigationFinal reportCessna 195 · Austin, TXThe pilot's use of an excessive taxi speed, which resulted in the airplane overrunning the end of the unlit taxiway after the failure of the right wing landing light.NTSB CEN13LA155Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Tulsa, OKThe line technician’s failure to remove the refueling mat from the helicopter fuselage following servicing, which resulted in the mat striking the tail rotor in flight, and the pilot’s inadequate preflight inspection.NTSB WPR13LA112Accident · No injuriesLimited investigationFinal reportCessna 305A · Camarillo, CAA tailwheel vibration upon touchdown and the subsequent loss of directional control for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB WPR13LA102Accident · No injuriesLimited investigationFinal reportCessna 172RG · Redmond, ORFailure of the left main landing gear pivot assembly during the landing approach.NTSB ANC13CA020Accident · No injuriesData collectionFinal reportCessna A185E · Skwentna, AKThe pilot's selection of unsuitable terrain for landing, which resulted in a main landing gear collapse.NTSB ERA13FA088Accident · 1 fatalField investigationFinal reportPiper PA-28-160 · Parkton, NCThe failure of the instrument-rated pilot to maintain control of the airplane while in instrument meteorological conditions after reporting a gyro malfunction. Contributing to the accident was the loss of primary gyro flight instruments due to the failure of…NTSB CEN13FA075Accident · 1 fatalField investigationFinal reportHughes 369 · Childress, TXThe improper maintenance of the helicopter fuel system that resulted in erroneous fuel gauge indications and the pilot’s inadequate fuel management, both of which resulted in fuel exhaustion during a long-line hover. Also causal was the lack of company…NTSB ERA13LA065Accident · No injuriesLimited investigationFinal reportBeech C90A · Roanoke, VAThe failure of the right main landing gear bearing actuator support brackets. Contributing to the accident was the owner's and operator's failure to comply with the airplane manufacturer's mandatory service bulletin and the Federal Aviation Administration's…NTSB ERA13LA058Accident · No injuriesLimited investigationFinal reportCessna 172RG · Lexington, KYThe rupture of the landing gear’s hydraulic pressure hose, which resulted in the depletion of all of the hydraulic fluid, and the inability of the landing gear to raise or lower. Contributing to the accident was the installation of an unapproved hydraulic…NTSB CEN13WA173Accident · No injuriesForeign investigationSwearingen SA226 · Murcia, SpainOn November 13, 2012, at 1205 coordinated universal time, a Swearingen Fairchild SA-226-TC, Spanish registered EC-JYC, operated by Zorex.org, sustained minor damage during the takeoff roll from the Murcia-San Javier Airport (LELC), Murcia, Spain. Visual…NTSB ERA12IA582Incident · No injuriesIncident investigationFinal reportLearjet 60 · Teterboro, NJFailure of the nosewheel steering computer strut servo for reasons that could not be determined or replicated during postincident testing.NTSB CEN12LA659Accident · Serious injuriesLimited investigationFinal reportLindstrand Balloons 210S · Albuquerque, NMThe failure of the balloon envelope parachute vent to properly seat, which resulted in the uncontrolled descent of the balloon. The reason the vent did not properly seat during the accident flight could not be determined because the vent operated properly…NTSB CEN12IA662Incident · No injuriesIncident investigationFinal reportCanadair CL-600 Challenger · Denver, COThe internal failure of the galley heater mat’s thermostat, which resulted in an overheat condition.