NTSB investigations
3,929 cases where the first occurrence was “Airframe/component/system failure/malfunction”.
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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 130) 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130) 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 LAX01LA009Accident · No injuriesLimited investigationFinal reportAerospatiale AS350BA · El Cajon, CAImproper torquing procedure of the aft tail rotor drive shaft coupling by maintenance personnel after tracking the tail rotor.NTSB SEA00LA194Accident · No injuriesLimited investigationFinal reportCessna 172K · Burns, ORThe separation of a portion of one propeller blade as a result of a fatigue crack that initiated at the site of foreign object damage to the blade.NTSB DEN01LA005Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Grand Junction, COTotal failure of the right forward inboard landing gear door hinge pin for undetermined reasons.NTSB MIA00LA270Accident · No injuriesLimited investigationFinal reportDouglas DC-3 · Charlotte, NCthe right main brake locked after touchdown causing the airplane to yaw and depart the runway, resulting in the landing gear collapsing.NTSB FTW00LA267Accident · Minor injuriesLimited investigationFinal reportPZL-Mielec M-18A · Jacksonville, ARthe corrosion and fatigue cracking of the right wing attachment fitting, which resulted in the right wing separating in flight. A factor was the failure of the operator to perform the recommended wing attachment fitting inspection.NTSB ANC00LA122Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Dillingham, AKA malfunctioning main landing gear brake, which precipitated a ground-loop.NTSB ANC00GA121Accident · No injuriesFinal reportBeech F-90 · Anchorage, AKThe failure of the right main landing gear drag leg (scissors) attach point, which resulted in the landing gear becoming jammed against the landing gear door during the extension cycle.NTSB CHI00LA296Accident · No injuriesLimited investigationFinal reportBoeing 727-224 · Minneapolis, MNThe fatigue failure of the wheel assembly. A factor was the inadequate inspection procedures prior to the issuance of a service bulletin.NTSB LAX00LA325Accident · No injuriesLimited investigationFinal reportWilliams Williams Mite M18L · San Diego, CAThe separation of the airplane's vertical stabilizer and rudder assemblies, during the landing approach, because of dry rot.NTSB FTW00LA254Accident · No injuriesLimited investigationFinal reportAbernathy Streaker · Sherman, TXThe failure of the wing skin and the rear spar while performing aerobatics, which resulted in the restricted movement of the aileron.NTSB NYC00LA246Accident · Minor injuriesLimited investigationFinal reportCessna 310G · Seven Springs, PAThe pilot's failure to maintain the manufacture's recommended safe single-engine airspeed, which resulted in a velocity-minimum-control roll to the right. A factor in the accident was the pilot's failure to maintain a proper glide path to his intended…NTSB CHI00LA277Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Spring Brook, WIA fatigue failure of the tail rotor drive gear shaft.NTSB LAX00TA318Accident · Minor injuriesFinal reportBell 206L-1 · Los Angeles, CAThe probable loss of the main rotor tip weight on the red blade for undetermined reasons resulting in main rotor vibration and oscillation. Sideward movement during the ensuing emergency landing resulted in a dynamic rollover.NTSB LAX00LA312Accident · 1 fatalLimited investigationFinal reportCable-Breigler BG-12BD · Tehachapi, CAThe pilot exceeded the airspeed limit for operation of the flaps resulting in flap and wing overload and separation.NTSB LAX00LA311Accident · No injuriesLimited investigationFinal reportPerrucci Randall J Revolution MINI-500 · Gridley, CAThe fracture and separation of a control rod in the cyclic flight control system.NTSB SEA00LA197Accident · No injuriesLimited investigationFinal reportBell 206BII · Newhalem, WADebonding between the elastomeric material and the center plate of the transmission isolation mount.NTSB DEN00LA155Accident · Serious injuriesLimited investigationFinal reportTrammell Avid Flyer · Trinidad, COthe failure of wing lift strut attachment rod for an unknown reason, which resulted in a loss of aircraft control during initial takeoff climb.NTSB CHI00FA266Accident · 1 fatalField investigationFinal reportFairchild Hiller FH-1100 · Valparaiso, INThe in-flight fracture of the main rotor mast and the separation of the main rotor. Factors to the accident were the corroded main rotor mast that resulted in fatigue.NTSB ANC00LA105Accident · No injuriesLimited investigationFinal reportCessna 185 · Yakutat, AKThe total fatigue failure of the right main landing gear leg.NTSB CHI00LA258Accident · No injuriesLimited investigationFinal reportBeech K35 · Holland, MIthe misjudged glidepath by the pilot. Factors to the accident were the loose throttle cable due to improper installation by maintenance personnel, and the intentional engine shutdown during the precautionary landing by the pilot.NTSB LAX00LA301Accident · Minor injuriesLimited investigationFinal reportFollmer Q200 · Corona, CAThe failure and separation of one wooden propeller blade for undetermined reasons.NTSB LAX00FA300Accident · 1 fatalField investigationFinal reportBeech K35 · Newberry Spring, CAThe crankshaft's fatigue failure at the site of an electrical arc mark stress riser, during cruise flight. Contributing factors were the pilot's inadequate preflight inspection, improper decision, and maintenance.NTSB DEN01LA026Accident · No injuriesLimited investigationFinal reportSukhoi SU-29 · Longmont, COThe inadequate structural materials (American manufactured verses original Russian materials) used during a major repair.NTSB FTW00IA228Incident · Minor injuriesIncident investigationFinal reportEmbraer EMB-120ER · San Angelo, TXthe improper installation of the right elevator trim control wheel by company mechanics, which resulted in an elevator trim malfunction.NTSB DCA00MA079Accident · Minor injuriesMajor investigationFinal reportDouglas DC-9-32 · Greensboro, NCA phase-to-phase arc in the left heat exchanger cooling fan relay, which ignited the surrounding wire insulation and other combustible materials within the electrical power center panel. Contributing to the left heat exchanger fan relay malfunction was the…NTSB NYC00LA220Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Westhampton, NYThe pilot's inadequate flare during the landing. Factors were the entanglement of the tow rope with the rudder horn, and restricted rudder movement.NTSB CHI00LA238Accident · No injuriesLimited investigationFinal reportBeech BE-A35 · Poplar Bluff, MOthe pilot exceeded the VNE speed restriction of 144 MPH. Factors included the ruddervator flutter and the out of balance ruddervators.NTSB FTW00LA219Accident · 1 fatalLimited investigationFinal reportLet L-23 Super Blankit · Waller, TXthe pilot's failure to maintain control of the glider while maneuvering. Contributory factors were the in-flight separation of the tow rope and the pilot's physical impairment from his use of diphenhyrdramine.NTSB LAX00LA279Accident · No injuriesLimited investigationFinal reportRobinson R-22 Beta · Phoenix, AZThe helicopter had a tail rotor failure. The reason for the failure is undetermined.NTSB SEA00FA142Accident · 1 fatalField investigationFinal reportCessna TU-206G · Pistol Creek, IDA loss of engine power due to the fracture of the #2 cylinder intake valve stem and the puncturing of the #2 piston dome by the intake valve head. Factors include no suitable landing site within the maneuvering abilities of the aircraft, and coniferous trees…NTSB FTW00LA216Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Sherman, TXthe total failure of the clutch cable during landing, which resulted from fatigue cracking of the cable's individual wires.NTSB CHI00IA221Incident · No injuriesIncident investigationFinal reportAerospatiale ATR 42-300 · Champaign, ILThe failure of the aileron trim switch due to foreign material contamination.NTSB CHI00LA215Accident · No injuriesLimited investigationFinal reportLutke Rotoway Exec 90 · Kalamazoo, MIthe loss of main rotor rpm due to the failure of the top engine mount and the subsequent loss of the main rotor drive belt tension. A factor was the confined area landing zone.NTSB LAX00IA272Incident · No injuriesIncident investigationFinal reportCanadair CL-65 · Monterey, CAFatigue failure of the bell gear in the horizontal stabilizer trim actuator system.NTSB MIA00FA221Accident · 1 fatalField investigationFinal reportBeech 58 · Hernando, MSThe arcing of an electrical wire behind the instrument panel and the associated cracking of fuel and oil lines. Also causal was the pilot's inappropriate remedial action not in accordance with the emergency checklist.NTSB DEN00LA132Accident · Minor injuriesLimited investigationFinal reportSpencer Long EZE · Farmington, NMFailure of the coolant recovery system, resulting in overheating of the engine. A factor was the soft ground on which the forced landing was made.NTSB MIA00LA219Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-300 · Washington, NCThe inadvertent stall by the pilot-in-command while returning for a precautionary landing. Contributing to the accident was the loose engine cowling.NTSB SEA00LA129Accident · Serious injuriesLimited investigationFinal reportKaman K-1200 · Cusick, WAThe termination of power to the main rotor system as a result of the malfunction of the free-wheeling sprag clutch assembly, followed by the torsional overload separation of the engine adapter shaft. Factors include trees in the area where the emergency…NTSB SEA00LA128Accident · No injuriesLimited investigationFinal reportKeith Kinden Rebel · Libby, MTAn improper installation of a rudder control cable Nicopress sleeve by the owner/builder. The rudder control cable disconnection and the slipped cable from the sleeve were factors.NTSB DEN00LA126Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Erie, COAircraft control was not possible by the flight instructor due to the inadequate maintenance adjustment of the tail wheel steering system by maintenance personnel. Factors were the inadequate aircraft preflight by the second pilot who was receiving a…NTSB CHI00LA189Accident · No injuriesLimited investigationFinal reportStaudacher S-300D2 · Kenosha, WIThe fatigue failure of the rod end bearing and the separation of the aileron. A factor was the inadequate design change by the aircraft designer.NTSB ANC00IA083Incident · No injuriesIncident investigationFinal reportCessna 207A · Deadhorse, AKAn in-flight fracture of the engine crankshaft propeller flange. A factor associated with the accident was the manufacturer's inadequate quality control standards.NTSB CHI00LA188Accident · Serious injuriesLimited investigationFinal reportSchleicher ASW-20L · Gregory, MIthe control stick movement being restricted by the pilot's seat-type parachute and the excessive descent rate and airspeed during landing. A factor to the accident was the pilot's lack of familiarity with the aircraft.NTSB SEA00LA120Accident · No injuriesLimited investigationFinal reportCessna U206B · Yellow Pine, IDThe locknut was not secured and backed off the bolt. An improper maintenance installation was a factor.NTSB MIA00TA200Accident · No injuriesFinal reportHughes 369D · Destin, FLimproper maintenance inspection of the tail rotor by maintenance personnel and improper preflight inspection of the tail rotor by the pilot, which resulted in worn elastomeric bearings being continued in service, resulting in failure of the tail rotor…NTSB ANC00FA081Accident · 1 fatalField investigationFinal reportCessna 337C · Marshall, AKThe pilot's attempted takeoff with known deficiencies in equipment (an inoperable rear engine) and an inadvertent stall. Factors associated with the accident were the pilot's improper retraction of the landing gear, his over confidence in the airplane's…NTSB CHI00LA178Accident · 1 fatalLimited investigationFinal reportWeatherly 201C · Tolna, NDthe wing spar fatigue and wing separation while maneuvering. A factor was that the fatigue was not detected by the mechanic during the last annual inspection.NTSB SEA00LA118Accident · No injuriesLimited investigationFinal reportBellanca 8KCAB · Bend, ORImproper preflight preflight planning/preparation by the pilot-in-command. Factors included a worn tailwheel tire and the VASI lighting system.NTSB LAX00LA245Accident · 1 fatalLimited investigationFinal reportGarlick HH-1K · Live Oak, CAThe inadequate lubrication of the tail rotor drive shaft coupling by unknown maintenance personnel that resulted in the in-flight failure and separation of the helicopter's tail boom.NTSB ATL00LA073Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Key West, FLA landing gear collapse resulting from the pilot's unsuccessful attempt to complete the manual gear extension due to physical strength overload. A factor was the complete electrical system failure during cruise flight.