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 CEN17LA057Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Ionia, MIA failure of the aft support cable on the left main landing ski due to an inadequately formed nicopress sleeve, which allowed the ski to rotate into a vertical position shortly after liftoff, and its unavoidable separation during the subsequent landing.NTSB ANC17LA007Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Bethel, AKThe mechanic's failure to install a whistle slot in the engine breather tube, which resulted in a frozen tube, displacement of the crankshaft oil seal, a loss of oil, and smoke in the cockpit, which led to a forced landing.NTSB ERA17LA032Accident · Minor injuriesLimited investigationFinal reportBell OH 58C · Cameron, NCAn in-flight failure of a main rotor blade due to fatigue cracks. Contributing to the failure of the main rotor blade was the absence of guidance to the operator to inspect an area of the main rotor blade known to be susceptible to fatigue cracks and the…NTSB CEN17LA030Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Bloomfield, NMMaintenance personnel’s failure to fully torque the fuel port cap, which allowed the cap to back off in flight and interrupted fuel flow to the engine, which resulted in a total loss of engine power.NTSB WPR17IA007Incident · No injuriesIncident investigationFinal reportShort Bros SD3 60 Sherpa · Missoula, MTThe failure of the nose landing gear down-lock piston to engage due to paint accumulation, which resulted in a nose landing gear collapse during landing. Also causal was the failure of the facility that performed the painting to comply with manufacturer…NTSB ERA16LA333Accident · No injuriesLimited investigationFinal reportRyan Navion · Hurt, VAIncorrect installation of the oil temperature probe and an inadequate annual inspection that failed to detect leaking oil around the loose probe, which resulted in a catastrophic engine failure due to oil starvation.NTSB ERA16FA329Accident · 1 fatalField investigationFinal reportCessna 172 · Laytonsville, MDThe pilot/mechanic's failure to maintain airspeed following a loss of engine power, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Also causal was the pilot/mechanic's failure to service the engine…NTSB DCA16CA226Accident · No injuriesData collectionFinal reportBombardier DHC 8 202 · Dulles, VAincorrect installation of the frangible towing fuse that prevented the nose landing gear from extending.NTSB CEN16LA387Accident · Minor injuriesLimited investigationFinal reportPahnke Vernon A Vans RV 9A · Newark, ILThe pilot's failure to properly assemble the fuel pump, which resulted in the loss of fuel pressure and the subsequent partial loss of engine power.NTSB WPR16FA183Accident · Serious injuriesField investigationFinal reportCessna 182P · Gilbert, AZAn inadvertent explosion of pyrotechnics, which were contained in a box that had been installed on the airplane's left main landing gear assembly spring leg which resulted in shrapnel striking the airplane's left wing and breaching the left wing fuel tank,…NTSB CEN16LA363Accident · Serious injuriesLimited investigationFinal reportCGS Hawk Aero II · Holland, MIThe improper installation of quick release connectors in the fuel lines, which was not in accordance with the engine manufacturer's maintenance instructions and allowed air to be introduced into the fuel system and resulted in a partial loss of engine power.…NTSB WPR16FA166Accident · Minor injuriesField investigationFinal reportDouglas TA-4K · Las Vegas, NVForeign object debris in the engine's main fuel control unit, which restricted fuel flow and subsequently resulted in the loss of engine power. Contributing to the accident was the installation or addition of an extra seal during the main fuel control unit…NTSB ERA16LA293Accident · No injuriesClass 3 · LimitedFinal reportCessna 150G · Shirley, NYMaintenance personnel’s inadequate maintenance and inspection of the airplane, which resulted in the left elevator attachment bolt backing out of the nutplate, and partial inflight separation and damage of the elevator.NTSB ERA16LA268Accident · No injuriesLimited investigationFinal reportFrank Ware Velocity TXL · Sebastian, FLThe total loss of engine power due to maintenance personnel’s improper setting of the aneroid adjustment.NTSB CEN16LA273Accident · No injuriesLimited investigationFinal reportBrandt Sonex · Lodi, WIThe separated rocker arm assembly for undetermined reasons, which resulted in the partial loss of engine power and led to the landing gear collapsing during the subsequent forced landing.NTSB ERA16FA248Accident · 1 fatalField investigationFinal reportBell Helicopter Textron Canada 407 · Hickory, KYCompany maintenance personnel's inappropriate removal without replacement of the safety wires on the collective lever pin screws during a recent maintenance inspection, which resulted in the screws backing out and led to a loss of collective control in flight.NTSB WPR16LA139Accident · No injuriesLimited investigationFinal reportCessna 140 · Salinas, CAThe fatigue failure of a bulkhead-skin joint that supported the main landing gear leg, which resulted in the collapse of the left main landing gear. Contributing to the failure were the non-original structural configuration of the 60-year-old airplane and the…NTSB ENG16IA027Incident · No injuriesIncident investigationFinal reportBoeing 757 · Jamaica, NYMaintenance personnel's failure to ensure proper installation of a fuel tube O-ring, which resulted in an undercowl engine fire during initial climb.NTSB ERA16LA191Accident · Minor injuriesLimited investigationFinal reportSikes Zenith CH750 Stol · Lawrenceburg, TNThe pilot's failure to perform an adequate preflight inspection, which resulted in a loss of control due to an improperly-rigged rudder. Contributing to the accident was the pilot's failure to implement and follow proper flight-testing plans.NTSB WPR16LA108Accident · Minor injuriesLimited investigationFinal reportCessna 180 · California City, CAA directional upset on landing due to a thermally induced atmospheric disturbance, which the pilot was unable to successfully counter due to improperly set rudder travel limits.NTSB CEN16LA184Accident · Serious injuriesLimited investigationFinal reportCessna 150F · Ponca City, OKMaintenance personnel's improper installation of the elevator bolt, which resulted in a loss of elevator control during landing.NTSB ERA16LA156Accident · Minor injuriesLimited investigationFinal reportAtkinson Eaglet · Deland, FLA total loss of engine power during initial climb due to a separation of the ignition plug.NTSB GAA16LA182Accident · Serious injuriesLimited investigationFinal reportHughes 369 · Weatherford, TXThe pilot/mechanic's inadequate postmaintenance and preflight inspections, which resulted in his failure to remove the antitorque pedal lock and a subsequent loss of control during hover operations.NTSB ERA16FA144Accident · 5 fatalField investigationFinal reportBell 206 · Pigeon Forge, TNAn inflight loss of engine power due to a failure of the engine fuel pump, which resulted in a collision with trees and terrain during the subsequent autorotation. The failure of the engine fuel pump resulted from the absence of adequate grease leading to…NTSB ERA16LA153Accident · Minor injuriesLimited investigationFinal reportButterhof Anthony J Ginny B · South Harrison Township, NJThe pilot/mechanic's failure to safety-wire the gascolator bale clamp, which resulted in a fuel leak and subsequent total loss of engine power.NTSB WPR16FA072Accident · 1 fatalField investigationFinal reportBell 206B · Honolulu, HIThe in-flight failure of the engine-to-transmission drive shaft due to improper maintenance, which resulted in low main rotor rpm and a subsequent hard landing to water.NTSB WPR16LA050Accident · 1 fatalLimited investigationFinal reportMoore Onex · Fresno, CAThe pilot/builder's failure to properly align the Force One Main Bearing, which resulted in a blockage of the oil transfer hole and culminated with a total engine power loss. Contributing to the accident was the pilot's failure to arrest the bank and sink…NTSB GAA16CA088Accident · No injuriesData collectionFinal reportDay William L Minicoupe · Middle River, MDThe pilot's incorrect installation of the rudder horn and failure to properly inspect the installation, which led to a loss of directional control during takeoff.NTSB ERA16LA073Accident · No injuriesLimited investigationFinal reportCessna 310 · Kennesaw, GAInadequate inspection and rigging of the landing gear system, which resulted in the subsequent failure and collapse of the left main landing gear during landing.NTSB CEN16LA035Accident · Minor injuriesLimited investigationFinal reportGlimn Kitfox 2-3 · Escanaba, MIThe airplane owner's inadequate maintenance and servicing of the propeller gearbox, which resulted in oil starvation, failure of the gearbox in flight, and a subsequent loss of propeller thrust. Contributing to the outcome was the airplane's low altitude at…NTSB ERA16LA004Accident · No injuriesLimited investigationFinal reportBeech 58 · Albany, GAThe mechanic's inadequate inspection of the brake system during the most recent annual inspection, which resulted in the failure of both left and right main landing gear torque plates and a subsequent loss of braking action.NTSB CEN15LA421Accident · Serious injuriesLimited investigationFinal reportLerch RV6A · Deckerville, MIThe in-flight loss of engine oil after the oil filter separated from the engine adapter assembly because of an incorrect modification of the oil filter adapter assembly, which resulted in a precautionary landing in a field.NTSB ERA15LA349Accident · 1 fatalLimited investigationFinal reportMooney M20TN · Atlantic City (Atlantic Ocean)A loose oxygen line, which was not detected by maintenance personnel during a recent annual inspection, that allowed oxygen to escape and drain the oxygen canister more quickly than the pilot expected. This reduced the pilot's availability of supplemental…NTSB ERA15LA341Accident · Minor injuriesClass 2 · LimitedFinal reportPiper PA 28RT-201 · Russell Springs, KYMaintenance personnel’s inadequate fuel injection servo maintenance due to an out-of-date AD list, which resulted in the fuel injection servo plug backing out of the threaded plug hole on the regulator cover of the fuel injection servo and subsequent total…NTSB ERA15LA332Accident · Serious injuriesLimited investigationFinal reportLancair IV · Fort Lauderdale, FLThe mechanic's improper installation of the turbocharger assembly, which resulted in oil starvation and a subsequent total loss of the engine power.NTSB GAA15CA242Accident · No injuriesData collectionFinal reportCessna 305A · Midlothian, TXThe failure of the brake line tubing for the right main landing gear brake, due to a non-standard method used to secure the brake line, which resulted in a loss of control during landing, and a ground loop.NTSB CEN15IA365Incident · No injuriesIncident investigationFinal reportBeech V35 · Mount Vernon, OHThe loosening of the flyweight due to the installation of an improperly hardened flyweight carrier, which resulted in the overspeed of the propeller and engine and the subsequent in-flight separation of the propeller.NTSB CEN15LA336Accident · Minor injuriesLimited investigationFinal reportBeech A36 · Austin, TXA total loss of engine power due to an excessively rich fuel mixture as a result of the improper adjustment of the fuel pump aneroid.NTSB ERA15LA294Accident · No injuriesLimited investigationFinal reportCommander 114 · Reading, PAThe improper installation of the fuel supply line fitting at the fuel manifold, which resulted in the line loosening in-flight, fuel leakage, and a subsequent total loss of engine power.NTSB CEN15LA329Accident · 1 fatalLimited investigationFinal reportO'Dell Aeromaster · Sulphur Springs, TXA total loss of engine power for reasons that could not be determined because postimpact damage precluded a thorough examination of the airplane. Contributing to the accident was the pilot's failure to maintain control following the loss of engine power,…NTSB ERA15LA291Accident · No injuriesLimited investigationFinal reportSontonastaso Mosquito · Winchendon, MAA partial loss of engine power due to a faulty electrical wiring crimp in the engine’s ignition system.NTSB ERA15LA286Accident · Minor injuriesLimited investigationFinal reportBeech A36 · Poughkeepsie, NYA leaking fuel discharge fitting, which resulted in a partial loss of engine power and an off-airport, gear-up landing.NTSB CEN15FA315Accident · 2 fatalField investigationFinal reportSanford Zenith CH 601XL · Bristol, WIThe pilot’s failure to maintain airspeed and airplane control following a loss of engine power during cruise flight. Contributing to the accident was the installation of ignition system coils that were not engine-manufacturer replacement parts, which…NTSB ERA15LA289Accident · No injuriesLimited investigationFinal reportPiper PA-28R-180 · Fort Lauderdale, FLThe undetected fatigue cracks in the engine and nose landing gear (NLG) strut mount assembly, which prevented the proper alignment of the NLG after it was extended and the pilots from being able to maintain directional control after touchdown.NTSB CEN15CA324Accident · Serious injuriesData collectionFinal reportAero Commander 100 · San Antonio, TXThe pilot's improper decision to attempt flight with an unairworthy airplane and improper starting procedure that resulted in an uncontrolled takeoff without the pilot aboard. Contributing was the inoperative airplane battery/engine starter.NTSB GAA15CA143Accident · No injuriesData collectionFinal reportAventura II · Fenton, MIThe failure of the student pilot to ensure that the experimental seaplane was airworthy prior to take off.NTSB ERA15LA263Accident · Minor injuriesLimited investigationFinal reportCessna 210 5A(205A) · Stafford Twp, NJThe total loss of engine power due to the failure of the crankshaft, which resulted from a mechanic's failure to properly torque the engine cylinder through bolts.NTSB CEN15LA298Accident · Minor injuriesLimited investigationFinal reportCirrus Design SR22 · Houston, TXMaintenance personnel's improper installation of the propeller governor, which resulted in damage to the governor drive gear and its subsequent failure and a subsequent loss of engine power.NTSB CEN15FA269Accident · 1 fatalField investigationFinal reportGrumman American Avn. AA-5 · Fredericksburg, TXThe pilot's failure to maintain adequate airspeed following a partial loss of engine power during initial climb, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Also causal was the mechanic's…NTSB CEN15LA270Accident · No injuriesLimited investigationFinal reportPiper PA28-200 · Jonesboro, ARMaintenance personnel's improper engine oil drain valve installation, which led to engine oil exhaustion and the subsequent loss of engine power after takeoff at an altitude too low for the pilot to execute a forced landing in a suitable area.