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 ERA12CA278Accident · Minor injuriesData collectionFinal reportPiper PA-18A · West Palm Beach, FLThe inadequate assembly of the brakes, which caused them to lock during the landing roll when the airplane transitioned from asphalt to turf, resulting in the airplane nosing over.NTSB ERA12LA267Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Eastover, SCInadequate or loss of through bolt preload tension, which resulted in fretting between the engine halves, the subsequent failure of one cylinder through bolt, the loosening of additional cylinder retaining studs, and the fracture of the crankcase.…NTSB CEN12LA220Accident · No injuriesLimited investigationFinal reportCirrus Design SR22T · Addison, TXMaintenance personnel’s improper maintenance, which resulted in the incorrect wiring of the No. 1 alternator and a subsequent electrical system fire during taxi. Contributing to the accident was the airplane manufacturer's inadequate maintenance documentation…NTSB ERA12LA234Accident · No injuriesLimited investigationFinal reportCessna 172K · Pensacola, FLA total loss of engine power due to the improper installation of the crankshaft gear bolt or lockplate by maintenance personnel. Contributing to the accident was the lack of suitable terrain for a forced landing.NTSB ERA12LA219Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Homestead, FLThe inadequate servicing and maintenance of the engine and the airplane owner and maintenance personnel's disregard of the manufacturer's recommended engine overhaul schedule and service bulletins, which resulted in an in-flight internal failure and seizure…NTSB ERA12LA141Accident · 1 fatalLimited investigationFinal reportBowers Fly Baby 1-A · Jefferson, GAThe pilot’s failure to maintain airplane control which resulted in an aerodynamic stall and spin. Also causal was the partial loss of engine power during the initial climb due to the improper installation of a magneto. Contributing to the accident was the…NTSB CEN12LA120Accident · Serious injuriesLimited investigationFinal reportContinental Copters 47G2 · Lohn, TXThe improper installation of the tail rotor gearbox by maintenance personnel, which led to accelerated wear of the ring and pinion gears, resulting in the loss of tail rotor effectiveness and subsequent forced landing.NTSB ERA12LA117Accident · No injuriesLimited investigationFinal reportPiper PA-44-180 · Lawrenceville, GAThe mechanic's improper installation and lubrication of the bushing on the right main landing gear truss assembly, which resulted in the landing gear not locking in the down position.NTSB DCA12MA020Accident · 5 fatalClass 1 · MajorFinal reportEurocopter France AS350B2 · Las Vegas, NVSundance Helicopters’ inadequate maintenance of the helicopter, including (1) the improper reuse of a degraded self-locking nut, (2) the improper or lack of installation of a split pin, and (3) inadequate postmaintenance inspections, which resulted in the…NTSB CEN12LA071Accident · Serious injuriesLimited investigationFinal reportJuve Richard G Zodiac CH601 HDS · Clinton, ARThe inadvertent opening of the canopy during takeoff due to the improperly repaired forward canopy latch mechanism, which did not fully secure the canopy.NTSB CEN12CA035Accident · Minor injuriesData collectionFinal reportHouts Avid Mark IV · Hibbing, MNThe improper installation of a hose clamp, which resulted in an oil line rupture and subsequent loss of engine oil pressure.NTSB CEN12CA029Accident · Minor injuriesData collectionFinal reportHunt Sparrowhawk · Blair, NEThe pilot/builder’s inadequate installation of a nosewheel steering component, which resulted in a shimmy and a loss of directional control during the takeoff roll.NTSB ERA12FA017Accident · 1 fatalField investigationFinal reportLuscombe 8A · Dixie, GAMaintenance personnel’s improper installation of the No. 2 cylinder’s connecting rod, which resulted in the disconnection of the rod and a subsequent loss of engine power.NTSB ERA11LA507Accident · No injuriesLimited investigationFinal reportMitsubishi MU-2B-25 · Atlanta, GAThe improper installation of the nose landing gear strut and subsequent collapse of the nose landing gear during landing.NTSB CEN11LA669Accident · Serious injuriesLimited investigationFinal reportOwen Vans RV-10 · Marietta, OHThe in-flight engine fire and loss of engine power due to an improperly installed fuel injector nozzle during a recent engine overhaul.NTSB WPR11MA454Accident · 11 fatalClass 1 · MajorFinal reportNorth American/Aero Classics P-51D · Reno, NVThe reduced stiffness of the elevator trim tab system that allowed aerodynamic flutter to occur at racing speeds. The reduced stiffness was a result of deteriorated locknut inserts that allowed the trim tab attachment screws to become loose and to initiate…NTSB WPR11LA412Accident · No injuriesLimited investigationFinal reportWheeler Vans RV-6A · Albany, ORThe in-flight separation of a propeller blade due to fatigue.NTSB CEN11LA558Accident · No injuriesLimited investigationFinal reportPiper Aerostar 601P · Alpine, TXThe pilot’s improper flare which resulted in a hard landing. Contributing to the accident was the pilot’s improper decision to fly the airplane with a known mechanical deficiency.NTSB ERA11FA458Accident · 1 fatalField investigationFinal reportCessna 310Q · Tupelo, MSThe pilot’s delayed reaction in performing the engine failure procedures and his failure to maintain adequate airspeed, which resulted in a loss of airplane control. Contributing to the accident was maintenance personnel’s improper torquing of the B-nut…NTSB ERA11LA461Accident · No injuriesLimited investigationFinal reportPiper PA-46-310P · Elizabethtown, NCThe improper securing of a “B” nut on the power turbine control (Py) line by unknown maintenance personnel, which resulted in a total loss of engine power. Contributing to the accident was the pilot's failure to use the manual fuel override switch.NTSB WPR11LA352Accident · No injuriesLimited investigationFinal reportEurocopter AS 350 B3 · Troutdale, ORThe in-flight separation of the tail rotor drive shaft cover as a result of maintenance personnel not ensuring that it was secured after a maintenance inspection; also causal was the pilot’s inadequate preflight inspection of the helicopter.NTSB ERA11LA416Accident · Serious injuriesLimited investigationFinal reportChampion 7ECA · Hinesville, GAThe total loss of engine power due to the improper installation of the carburetor air filter by maintenance personnel, which resulted in the filter becoming dislodged and obstructing the carburetor. Contributing to the accident was the pilot did not maintain…NTSB ERA11FA406Accident · 1 fatalField investigationFinal reportMooney M20K · Augusta, GAThe pilot’s decision to fly the airplane after maintenance personnel advised him that the airplane should not be flown because the pilot provided an incorrect propeller for installation and the subsequent failure of the propeller attachment bolts and the…NTSB CEN11LA490Accident · No injuriesLimited investigationFinal reportDarrow Stephen AL-6 · Peyton, COThe loss of engine power during the descent for reasons that could not be determined because a thorough examination of the engine could not be completed due to the remote accident site.NTSB CEN11LA460Accident · No injuriesLimited investigationFinal reportAyres S2R600 · Pine Bluff, ARThe use of an incorrect mounting bolt by maintenance persons to attach the engine torque sensor, which resulted in an internal failure of the torque sensor and subsequent loss of engine power due to fuel starvation.NTSB ERA11CA375Accident · No injuriesData collectionFinal reportTemco GC-1B · Sparta, TNThe improper installation of the right rudder control cable by maintenance personnel, which resulted in the pilot's inability to maintain directional control during takeoff.NTSB WPR11LA292Accident · No injuriesLimited investigationFinal reportCessna 320F · Phoenix, AZThe mechanic's failure to properly secure the nose landing gear actuator push-pull tube to the landing gear door hinge clevis, which resulted in the gear jamming and not fully retracting after takeoff.NTSB ERA11CA355Accident · No injuriesData collectionFinal reportDotson William P Sngl Seat Hawk Arrow · Carthage, NCA partial loss of engine power due to the pilot’s improper installation of the engine’s No. 1 cylinder spark plugs.NTSB CEN11IA369Incident · No injuriesIncident investigationFinal reportEmbraer EMB-145 · Chicago, ILThe overheat and failure the brake during landing due to oxidation of the brake rotors, which went undetected by maintenance personnel. Contributing to the accident was maintenance personnel’s lack of familiarity with detailed brake oxidation inspection…NTSB CEN11LA327Accident · No injuriesLimited investigationFinal reportPiper PA 46-350P · Chico, TXThe mechanic's improper installation of the turbocharger's exhaust balance system, which resulted in an in-flight fire.NTSB ERA11LA239Accident · No injuriesLimited investigationFinal reportBeech BE99 · Cedartown, GAThe failure of the left main landing gear bearings and supports due to inadequate lubrication by unknown maintenance personnel.NTSB WPR11CA157Accident · No injuriesData collectionFinal reportAeronca 7EC · Big Bear City, CAThe pilot's improper maintenance, which resulted in a wheel separating from the airplane during takeoff, and the airplane's subsequent nose over during the landing rollout.NTSB ERA11LA179Accident · No injuriesLimited investigationFinal reportBeech C23 · Carrollton, GAThe mechanic's failure to re-connect a fuel line following an annual inspection. Contributing to the accident was the pilot's improper decision to depart with a known mechanical deficiency.NTSB CEN11LA182Accident · No injuriesLimited investigationFinal reportCessna 150L · Trenton, MIThe loss of preload torque on a connecting rod nut and bolt, which precipitated a separation of the connecting rod from the engine's crankshaft and resulted in the total loss of engine power.NTSB WPR11LA113Accident · Serious injuriesLimited investigationFinal reportPiper PA-30 · Big Bear City, CAThe pilot’s failure to maintain the minimum single-engine control speed while on final approach for landing. Contributing to the accident was the pilot's decision to fly with a known deficiency in one engine and a loss of power in that engine for reasons that…NTSB WPR11CA112Accident · Minor injuriesData collectionFinal reportHarvey Patten Rans S-6ES · Buckeye, AZA disconnection of the elevator control linkage due to incorrect installation or maintenance, which was due to the retaining nut backing off the bolt and allowing the bolt to fall out.NTSB WPR11LA108Accident · No injuriesLimited investigationFinal reportPiper PA-28-201T · Santa Ana, CAThe failure of the left main landing gear due to the lack of lubrication.NTSB CEN11IA156Incident · No injuriesIncident investigationFinal reportSikorsky 92 · Galliano, LAThe misalignment of the retaining washer during routine maintenance, resulting in the subsequent separation of the washer and nut.NTSB ERA11LA117Accident · No injuriesLimited investigationFinal reportConvair 340-71 · Charlotte AmalieThe captain’s decision to continue the flight with the left engine backfiring, resulting in an engine fire shortly after takeoff. Contributing to the accident were the captain’s decision to continue the flight following a report of black smoke trailing the…NTSB WPR11LA081Accident · No injuriesLimited investigationFinal reportApollo AS-III · Poipu, HIThe pilot's lack of compliance with manufacturer's guidance for care and handling of the aircraft combined with incomplete preflight inspections, which resulted in an undetected material failure of the nose cone.NTSB CEN11CA062Accident · No injuriesData collectionFinal reportCessna 172 · Pineville, LAThe pilot/mechanic’s improper inspection of the airplane following the engine installation.NTSB CEN11CA059Accident · No injuriesData collectionFinal reportHawker MK-20 Sea Fury · Breakenridge, TXThe improperly adjusted brakes and the pilot's failure to lock the tailwheel, resulting in a loss of directional control. Contributing to the accident was the pilot's decision to continue flying the airplane with a known brake deficiency.NTSB WPR11IA019Incident · No injuriesIncident investigationFinal reportBombardier CL-600-2B19 · Phoenix, AZThe overextension of the main cabin door due to difficulty opening the door because the power-assist motor cable was lodged within the main cabin door assembly.NTSB ERA10LA400Accident · No injuriesLimited investigationFinal reportDayton JD-2 · Hollywood, MDThe pilot's improper installation of the propeller hub to the engine crankshaft, which resulted in a loss of engine thrust.NTSB WPR10CA398Accident · Serious injuriesData collectionFinal reportKirkpatrick Buzzard · Lincoln, CAA loss of control due to the mechanical disconnection of an aileron pushrod from its bellcrank as a result of the mechanic's failure to properly secure the pushrod attach hardware. Also causal was the pilot's inadequate preflight inspection.NTSB ERA10LA370Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · New Bern, NCInadequate quality control at the fuel servo overhaul facility, which resulted in contamination of the fuel servo and a subsequent loss of engine power due to fuel starvation.NTSB CEN10IA397Incident · No injuriesIncident investigationFinal reportBell 206 · Gulf of Mexico, LAImproper reassembly of the collective flight controls by maintenance personnel. Contributing to the incident were inadequate postmaintenance examinations by maintenance personnel and inadequate preflight inspections by two pilots.NTSB ERA10LA357Accident · No injuriesLimited investigationFinal reportBeech 58 · LaGrange, GAThe pilot not allowing sufficient time for fuel spill vapors to dissipate before starting the engine. Contributing to the accident was the inadequate maintenance of the fuel cap.NTSB WPR10LA319Accident · No injuriesLimited investigationFinal reportPridmore Lancair IV · Caldwell, IDThe failure of maintenance personnel to ensure that a hydraulic line fitting was adequately secured during a conditional inspection, which resulted in a leak and subsequent on-ground fire.NTSB WPR10LA284Accident · Serious injuriesLimited investigationFinal reportPiper PA-46-310P · Ontario, CAA loss of engine power due to the in-flight separation of the 1-3-5 cylinder induction tube elbow, which was caused by the improper installation of the induction tube elbow by maintenance personnel.