NTSB investigations
484 cases where the sequence of events included Aircraft maintenance event.
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\" = '040' 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" = '040' 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 WPR18LA221Accident · No injuriesClass 2 · LimitedFinal reportHughes 369 · Honolulu, HIThe operator's improper installation of the tail rotor (TR) teeter bearings, which resulted in cascading in-flight failures of the TR components and attach hardware.NTSB ANC18LA058Accident · No injuriesLimited investigationFinal reportRobinson R44 · Bettles, AKMaintenance personnel's application of insufficient preload on the attachment hardware for the idler gear shaft during engine overhaul, which resulted in the dismounting of the idler gear shaft assembly due to wear and deformation and the subsequent total…NTSB CEN18LA300Accident · Minor injuriesLimited investigationFinal reportContinental Copters Tomcat MK5A · Le Sueur, MNThe pilot's inadequate preflight and in-flight fuel planning, during which he did not visually check the fuel quantity in the fuel tanks and instead relied on the fuel gauges that were showing erroneous fuel quantity indications, which resulted in fuel…NTSB CEN18LA276Accident · No injuriesLimited investigationFinal reportBeech V35 · Katy, TXMaintenance personnel’s failure to remove a paper towel from the engine during recent maintenance, which resulted in oil starvation, the failure of a connecting rod, and a catastrophic engine failure and subsequent total loss of engine power.NTSB CEN18LA275Accident · No injuriesLimited investigationFinal reportWhittman Tailwind · Orient, OHThe pilot’s and the flight instructor's incorrect use of the modified mixture control, which resulted in a loss of engine power due to fuel starvation and a forced landing. Also causal was the inadequate systems knowledge of the experimental, amateur-built…NTSB WPR18FA171Accident · 2 fatalClass 2 · FieldFinal reportBeech A35 · Hesperia, CAThe pilot's failure to maintain airplane control during an attempted return to the airport following the separation of the spinner bulkhead during takeoff as a result of fatigue cracking. Contributing to the accident was the pilot's improper decision to fly…NTSB ERA18LA178Accident · Minor injuriesLimited investigationFinal reportPiper PA 34-200 · Umatilla, FLMaintenance personnel ‘s failure to complete and verify the proper installation of the main landing gear (MLG) torque links’ attachment hardware, which resulted in the right MLG torque link disconnecting and the pilot’s subsequent inability to maintain…NTSB ERA18LA165Accident · Serious injuriesLimited investigationFinal reportCessna 182 · Arecibo, PRMaintenance personnel's failure to properly apply torque to the engine through bolts, which ultimately resulted in the crankshaft failure and the total loss of engine power.NTSB ANC18LA043Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Ramona, CAThe failure of the engine-driven hydraulic pump due to the installation of improper cap screws, which resulted in a gap in the pump housing, a subsequent hydraulic leak, and the landing gear collapsing.NTSB WPR18FA143Accident · 1 fatalField investigationFinal reportI.C.A.-Brasov IS 29D · Avenal, CAThe pilot's improper installation of the wings onto the glider, which resulted in an in-flight wing separation. Contributing to the accident were the pilot's limited familiarity with the design and a lack of reliable assembly guidance.NTSB ERA18FA146Accident · 1 fatalField investigationFinal reportBeech 35A33 · Jacksonville, ALThe pilot/mechanic's inadequate inspection of the exhaust system, including the left muffler and heat exchanger, which precluded his detection of preexisting cracks and led to a missed opportunity to replace the components. The inadequate inspection allowed…NTSB ERA18FA138Accident · 1 fatalField investigationFinal reportPiper PA32 · West Milford, NJAn in-flight fire and total loss of engine power after takeoff due to a loose fuel line. Contributing to the accident was the installation of an unapproved fuel line by unknown personnel.NTSB ERA18FA137Accident · 1 fatalField investigationFinal reportPiper PA28R · Gainesville, GAA partial loss of engine power due to inadequate thru-bolt and stud preload tension by undetermined maintenance personnel, which resulted in fretting between the engine crankcase halves, and the subsequent separation of the No. 2 cylinder due to the fatigue…NTSB ERA18LA135Accident · Serious injuriesClass 3 · LimitedFinal reportHeard Alan E Mosquito XE · Albion, NYThe pilot's inadvertent, improper configuration of the engine fuel system, which resulted in an excessively lean air-to-fuel ratio and resulted in a loss of engine power; and the pilot's subsequent failure to maintain main rotor rpm following the loss of…NTSB ERA18FA084Accident · 1 fatalField investigationFinal reportPiper PA28 · Bonifay, FLA partial loss of engine power due to a stuck exhaust valve. Contributing to the accident was the pilot's decision to operate an airplane with a known mechanical deficiency and his failure to fly an appropriate traffic pattern that would have allowed the…NTSB WPR18FA088Accident · 4 fatalField investigationFinal reportHastings Thomas G Cirrus VK 30 · Agua Dulce, CAThe driveshaft fracture due to overstress loading and rotational bending as a result of the under-torqued nuts on the elastomeric couplings backing off and the subsequent in-flight separation of the horizontal fairing due to contact with the separated end of…NTSB ERA18IA078Incident · No injuriesClass 3 · IncidentFinal reportAirbus Helicopters EC 130 · Memphis, TNThe pilot’s failure to lock the collective pitch control after landing, and the mechanic’s failure to properly balance the collective pitch control after converting the helicopter to a single-pilot configuration, which resulted in an uncommanded collective…NTSB ANC18LA020Accident · No injuriesLimited investigationFinal reportEurocopter France SA330J Puma · Pacific Ocean, JapanThe worn rear bearing of the freewheel unit. Contributing to the accident was the delay in analyzing an oil sample, which would have detected the increase in metal contaminants from the worn bearing.NTSB CEN18LA084Accident · Serious injuriesLimited investigationFinal reportBeech A36 · Abilene, TXMaintenance personnel’s improper maintenance of the engine, which resulted in a catastrophic engine failure due the shifting/slipping of the No. 2 bearing and the subsequent oil starvation and total loss of engine power during cruise flight.NTSB WPR18LA070Accident · No injuriesLimited investigationFinal reportPiper PA 32-300 · Reno, NVA total loss of engine power due to fuel starvation. Contributing to the accident was the failure of the pilot/owner to ensure that the airplane was airworthy before flight.NTSB CEN18CA072Accident · No injuriesData collectionFinal reportBell Helicopter Textron Canada 407 · Norfolk, NEMaintenance personnel’s failure to properly secure the tail rotor drive shaft cover, which resulted in the cover departing the helicopter in flight.NTSB ANC18LA018Accident · No injuriesClass 2 · LimitedFinal reportCostruzioni Aeronautiche Tecna P2006 · Lynchburg, VAThe failure of the left main landing gear assembly due to a fatigue fracture along the inside circumferential weld on the trailing arm’s attachment flange, which resulted from the manufacturer’s inadequate welding of the trailing arm connecting the lower arm…NTSB CEN18LA032Accident · Serious injuriesLimited investigationFinal reportCessna T207A · Rock Springs, WYThe pilot's improper in-flight fuel management and reliance on a faulty fuel gauge, which resulted in fuel starvation during approach for landing, and his failure to follow the emergency checklist after losing engine power.NTSB WPR18LA018Accident · Minor injuriesClass 3 · LimitedFinal reportCirrus Design SR22 · Blythe, CAMaintenance personnel's failure to properly torque an oil supply line fitting, which resulted in oil starvation, a subsequent engine failure, and an off-airport landing.NTSB ERA17FA327Accident · 2 fatalField investigationFinal reportMooney M20C · North Branford, CTA total loss of engine power due to fuel starvation as the result of foreign object debris in the fuel selector valve. Contributing to the accident was the pilot's selection of a low cruising altitude, which reduced the available time to troubleshoot the loss…NTSB CEN17LA351Accident · No injuriesLimited investigationFinal reportCessna 340 · McKinney, TXThe failure of the bell crank pivot bolt which resulted in the left main landing gear collapse. Contributing to the accident was the lack of landing gear inspections in accordance with the airplane manufacturer's maintenance manuals.NTSB WPR17LA190Accident · Minor injuriesLimited investigationFinal reportBeech M35 · Lake Havasu City, AZThe pilot's incorrect positioning of the fuel tank selector valve during a tank switch, which resulted in fuel starvation and a loss of engine power. Contributing to the accident was the worn condition of the fuel selector valve handle position detents and…NTSB ERA17LA287Accident · No injuriesLimited investigationFinal reportCessna R182 · Clearwater, FLThe improper maintenance of the landing gear system and subsequent failure of the hydraulic landing gear down return line, which resulted in a loss of hydraulic fluid and the pilot’s inability to extend and lock the main landing gear.NTSB ERA17LA277Accident · Minor injuriesLimited investigationFinal reportPiper PA28 · Canton, GAMaintenance personnel's failure to ensure the proper throttle linkage travel clearance after the installation of an exhaust system.NTSB ERA17LA275Accident · Minor injuriesLimited investigationFinal reportPiper J3C · Salisbury, CTAn improper replacement of the crankshaft by maintenance personnel, which resulted in a failure of the crankshaft gear and total loss of engine power.NTSB CEN17LA304Accident · Serious injuriesLimited investigationFinal reportRoger M Allen RA2 · Hector, MNThe pilot’s improper installation of the control stick hardware, which resulted in a loss of elevator control in flight.NTSB CEN17LA312Accident · No injuriesLimited investigationFinal reportRalph Marine Devil DOG · Danville, ARA separation of the left tire from its wheel because of the use of an improper substance and wheel size, which resulted in a loss of directional control during landing.NTSB WPR17LA172Accident · No injuriesLimited investigationFinal reportCessna T210F · Llano, CAA failure of the turbocharger that resulted in complete depletion of the engine oil and catastrophic internal failure of the engine. Contributing to the accident was improper and/or incomplete maintenance and inspection of the turbocharger.NTSB ERA17TA233Accident · No injuriesFinal reportLawrence O Nolte Zodiac CH650B · Dover, PAA total loss of engine power as a result of the loss of all electric fuel pumps due to a loss of electric power because of the installation of an improper battery on the airplane and the use of improper charging cables on the battery.NTSB CEN17LA228Accident · Serious injuriesLimited investigationFinal reportThompson Angel Hawk II · Homer, LAA total loss of engine power due to the engine’s unresolved high operating temperatures, which resulted in failure of the distributor rotor and drive shaft, and the pilot’s failure to maintain airspeed during the subsequent forced landing, which resulted in…NTSB CEN17LA206Accident · No injuriesLimited investigationFinal reportKenneth B Hines Nieuport 28 · Boonville, MOA partial loss of engine power due to a compromised induction system.NTSB CEN17FA207Accident · 1 fatalField investigationFinal reportVarga 2150A · Bowling Green, OHThe pilot's loss of control due to impairment from carbon monoxide poisoning. Contributing to the accident was the corrosion of the heat exchanger and the failure of maintenance personnel to adequately inspect and repair or replace the exchanger during the…NTSB WPR17FA108Accident · 2 fatalField investigationFinal reportPiper PA 30 · Haines, AKThe pilot's decision to turn toward the inoperative engine after conducting a low-level pass, which resulted in an aerodynamic stall at too low an altitude to recover. Contributing to the accident was the pilot's decision to perform the flight and the engine…NTSB CEN17LA174Accident · No injuriesLimited investigationFinal reportBell 407 · Venice, LAAn in-flight separation of the tip block from the tail rotor blade due to an inadequate blade repair, which resulted in a rotor imbalance sufficient to crack the gearbox attachment studs and gearbox support assembly, and inadequate postrepair test procedures,…NTSB CEN17LA178Accident · Minor injuriesLimited investigationFinal reportCessna 182G · Manistee, MIThe failure of the airplane owner and maintenance personnel to follow the propeller manufacturer's recommend overhaul schedule, which resulted in a fatigue fracture of the propeller blade actuating pin and a loss of thrust in flight.NTSB WPR17LA087Accident · Serious injuriesLimited investigationFinal reportTitan Tornado I · Spanaway, WAMaintenance personnel’s improper attachment of the aileron system components, which resulted in the pilot's inability to maintain flight control.NTSB CEN17LA150Accident · No injuriesLimited investigationFinal reportPiper PA 28R-201 · Pontiac, MIMaintenance personnel’s improper securing of an unused instrument lamp socket during recent maintenance, which resulted in an electrical short of the landing gear controls and stopped the landing gear while it was transitioning to the down position and led to…NTSB ERA17FA148Accident · 1 fatalField investigationFinal reportPiper PA 12 · Sanford, FLThe incorrect rigging of the elevator control cables, which resulted in a reversal of elevator control inputs applied by the pilot during the takeoff, an excessive nose-high pitch, and subsequent aerodynamic stall after takeoff. Also causal was the inadequate…NTSB CEN17FA139Accident · 1 fatalField investigationFinal reportPiper PA-28-140 · Stonewall, TXThe pilot's failure to attain a proper touchdown point following a loss of engine power and his inability to stop the airplane on the short, soft runway. Contributing to the accident was the inadequate maintenance of the airplane by the owner and the mechanic…NTSB WPR17LA078Accident · No injuriesLimited investigationFinal reportSwearingen SA226 · Boise, IDCompany maintenance personnel's failure to remove a screwdriver that was left lodged in the windshield wiper area of the forward fuselage during maintenance and subsequently became dislodged on takeoff/initial climb and collided with a left propeller blade.NTSB WPR17FA074Accident · 1 fatalField investigationFinal reportQuicksilver MXL II · Hesperia, CAThe pilot's failure to identify and correct his construction error of a critical structural component, which resulted in a loss of airplane control during takeoff. Contributing to the accident was the pilot's impairment due to his combined use of multiple…NTSB ERA17LA130Accident · No injuriesLimited investigationFinal reportSocata TB20 · Melbourne, FLImproper installation of the circlip within the nose gear strut, which resulted in the strut overextending in the wheel well and preventing the nose landing gear from extending during landing.NTSB ERA17LA116Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 · Chatham, NJMaintenance personnel's improper installation and inspection of the crankshaft gear bolt during major overhaul, which resulted in the crankshaft gear disengaging from the accessory gears of the engine and a subsequent loss of power.NTSB ERA17LA110Accident · Serious injuriesLimited investigationFinal reportPiper PA28R · Bayonne, NJMaintenance personnel’s incorrect installation of the No. 3 cylinder’s hydraulic valve tappet plunger, which resulted in a failure of the No. 3 cylinder’s intake valve and the subsequent partial loss of engine power.NTSB CEN17LA070Accident · No injuriesLimited investigationFinal reportAeronca 15AC · Pontiac, MIThe improper installation of the left wheel brake torque plate by maintenance personnel, which resulted in the separation of the torque plate from the axle endplate and a loss of directional control during landing.