NTSB investigations
726 cases where the defining event was 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '330') 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '330') 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 WPR09LA287Accident · No injuriesLimited investigationFinal reportHoward Long EZ · Placerville, CAThe pilot's inability to maintain directional control during the landing roll due to a jammed brake cable.NTSB WPR09LA290Accident · No injuriesLimited investigationFinal reportBellanca 14-19 · Columbia, CAThe failure of the left main landing gear drag link as a result of overstress fracture. Contributing to the accident was maintenance personnel's failure to detect a small crack in the left main landing gear drag link during the most recent annual inspection.NTSB CEN09CA343Accident · No injuriesData collectionFinal reportCessna 404 · Englewood, COThe failure of the landing gear to extend due to the failure of a hydraulic line.NTSB CEN09LA335Accident · No injuriesLimited investigationFinal reportCessna 140 · St. Louis, MOThe improper installation of the wing fairing during recent maintenance, which resulted in the partial separation of the fairing shortly after takeoff.NTSB WPR09LA253Accident · 2 fatalLimited investigationFinal reportGauchat Safari · Rock Springs, AZThe separation of the main rotor head during cruise flight as a result of cyclic fatigue of the main rotor head spindle. The fatigue crack was due to an inadequate manufacturing process.NTSB ANC09GA040Accident · No injuriesFinal reportRobinson Helicopter R44 · Iliamna, AKThe main rotor transmission mount design, which resulted in an in-flight vibration/oscillation, and damage to the helicopter during an emergency descent and hard landing. Contributing to the accident was the lack of information from the manufacturer regarding…NTSB WPR09LA236Accident · No injuriesLimited investigationFinal reportCessna 140 · Mesquite, NVThe pilot's loss of directional control during landing resulting from binding of the left wheel's brake actuating system for an undetermined reason.NTSB WPR09LA167Accident · No injuriesLimited investigationFinal reportCessna 180G · Wendover, UTA loss of directional control during landing as a result of the binding in one main landing gear brake assembly due to incorrect maintenance procedures. Contributing to the accident was the pilot's failure to correctly reconfigure the airplane during an…NTSB WPR09CA134Accident · No injuriesData collectionFinal reportKreps Thorp T-18-C · Palm Springs, CAA loss of directional control due to the fatigue failure of a tubular steel gear leg along a corroded weld line.NTSB CEN09CA169Accident · No injuriesData collectionFinal reportPiper PA-24-250 · Mineral Wells, TXThe failure of the airframe and power plant mechanic to ensure proper lubrication of wire cables in the landing gear system during the annual inspection which precluded safe operation of the landing gear system.NTSB WPR09LA098Accident · Serious injuriesLimited investigationFinal reportCessna 172S · Oceanside, CAA defective alternator wire splice that resulted in an intermittent electrical system malfunction and erroneous fuel gauge readings, and, a loss of engine power for an undetermined reason.NTSB CEN09LA137Accident · No injuriesLimited investigationFinal reportBeech A36 · Farmington, NMCollapse of the landing gear during landing due to the incorrect installation of the landing gear actuator. Contributing to the accident was the pilot's failure to initiate the abnormal procedures checklist prior to landing.NTSB WPR09LA083Accident · No injuriesLimited investigationFinal reportCessna 172RG · Carson City, NVThe overload failure of the landing gear actuator at an undetermined time.NTSB WPR09LA075Accident · No injuriesLimited investigationFinal reportCzech Aircraft Works Sport Cruiser · Casa Grande, AZThe pilot's failure to ensure that the canopy was latched prior to takeoff. Contributing to the accident was the inadequate guidance in the Pilot Operating Handbook regarding canopy procedures.NTSB WPR09CA059Accident · No injuriesData collectionFinal reportCessna 210 · Sheridan, WYMaintenance personnel's failure to reinstall the left front pilot's seat correctly, which resulted in the pilot's loss of control and subsequent impact with a taxiway sign.NTSB CEN09FA094Incident · No injuriesField investigationFinal reportBombardier CL-600-2C10 · Chicago, ILThe failure of the left landing gear to extend due to improper maintenance when the landing gear door was replaced. Contributing to the incident was the manufacturer's inadequate maintenance manual instructions.NTSB DCA09IA017Incident · No injuriesIncident investigationFinal reportBombardier CL-600-2B19 · Philadelphia, PAthe failure of the maintenance personnel to properly complete the installation, and the inspection personnel to conduct the proper functional test, of the left main landing gear uplock assembly.NTSB ERA09IA115Incident · No injuriesIncident investigationFinal reportCessna 402C · Fort Lauderdale, FLThe airplane manufacturer's inadequate inspection procedure resulting in undetected fatigue cracking of the main landing gear barrel of the upper barrel and trunnion assembly.NTSB ERA09IA056Incident · No injuriesIncident investigationFinal reportDeHavilland DHC-8-311 · Philadelphia, PAThe mechanical overload of the nosewheel steering links for undetermined reasons, which resulted in nose landing gear rotation and its subsequent wedging within the wheel well structure.NTSB WPR09LA029Accident · No injuriesLimited investigationFinal reportCessna 421C · Mesa, AZThe failure of the hydraulic landing gear extension systems due to a ruptured line.NTSB WPR09LA016Accident · 1 fatalLimited investigationFinal reportHeisler Lancair Legacy · Parowan, UTThe pilot failed to secure the canopy prior to takeoff, resulting in his inability to control the aircraft during the takeoff. Contributing to the accident was the pilot’s impairment from prescription medications and possible obstructive sleep apnea.NTSB CEN09CA026Accident · Minor injuriesData collectionFinal reportHolland Rotorway 162F · Rutland, SDThe loss of torque due to a failure of a transmission drivebelt and the pilot's delayed landing flare during the autorotation. Contributing to the accident was the dusk light condition and the corn crop.NTSB SEA08IA217Incident · No injuriesIncident investigationFinal reportDiamond DA 40 · San Carlos, CAThe improper assembly of the governor during manufacture.NTSB LAX08CA293Accident · No injuriesData collectionFinal reportBrubaker F1 · Truckee, CAThe failure of the bolts securing the tail wheel to its attach point that resulted in a loss of directional control.NTSB DEN08LA153Accident · No injuriesLimited investigationFinal reportCessna 210 · Pagosa Springs, COThe failure of the landing gear to extend for undetermined reasons.NTSB CHI08CA287Accident · Minor injuriesData collectionFinal reportCessna 172M · Three Lakes, WIThe pilot's failure to attain sufficient altitude to avoid the trees during initial climb. Contributing to the accident were the pilot's failure to ensure the security of the entrance door before takeoff and the unintentional opening of the door.NTSB CHI08FA269Accident · 3 fatalField investigationFinal reportBell 206L-1 · Greensburg, INThe in-flight separation of a main rotor blade due to a fatigue failure of the blade spar, rendering the helicopter uncontrollable, and the manufacturer's production of main rotor blades with latent manufacturing defects, which precipitated the fatigue…NTSB LAX08FA286Accident · 1 fatalField investigationFinal reportPiper PA-31-350 · Las Vegas, NVA loss of power in the right engine due to an in-flight fuel-fed fire in the right engine compartment that, while the exact origin could not be determined, was likely related to the right engine-driven fuel pump, its fuel supply line, or fitting. Contributing…NTSB MIA08LA174Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Clarksdale, MSThe mechanic’s failure to torque check the axle-to-spring gear attachment bolts per the manufacturer's Annual/100-Hour Airframe Inspection Checklist, resulting in fatigue failure of the bolts.NTSB MIA08LA168Accident · No injuriesLimited investigationFinal reportPiper PA-22-160 · Jeannette, PAFailure of the brakes to function due to inadequate inspection of the brake cable by maintenance personnel.NTSB SEA08CA184Accident · No injuriesData collectionFinal reportWheat Excalibur EX · Moses Lake, WAThe right rudder pedal attach rivets sheared due to overload.NTSB DEN08FA140Accident · Serious injuriesField investigationFinal reportAircraft Mfg & Dev. CH601XLi · Farmersville, TXThe inadvertent tail stall and subsequent loss of airplane control as a result of the open canopy. Contributing to the accident was the inadequate emergency procedures provided by the airplane manufacturer and the inadequate design of the canopy latching…NTSB NYC08LA273Accident · No injuriesLimited investigationFinal reportOuzts Rodney Rutan-LongEZ · Winder, GAThe failure of the left brake due to contamination of the brake fluid.NTSB CHI08CA245Accident · No injuriesData collectionFinal reportAir Tractor 301 · Herreid, SDFailure of one of the tailwheel bolts on landing and the pilot's subsequent inability to maintain directional control.NTSB DFW08CA200Accident · No injuriesData collectionFinal reportCurtiss-Wright 12Q · Erie, COFailure of the tail wheel control cable during landing roll out, which resulted in a loss of control.NTSB DEN08IA123Incident · No injuriesIncident investigationFinal reportAirbus Industrie A319-114 · Denver, COTotal failure of the right inboard tire. Contributing to this incident were the low pressure of the tire, and the high tire heat generated by the previous rejected takeoff.NTSB LAX08LA242Accident · No injuriesLimited investigationFinal reportGlaser-Dirks Flugzeugbau DG-100G · Truckee, CAA malfunction of the tow release mechanism.NTSB CHI08CA203Accident · No injuriesData collectionFinal reportEnstrom F28F · Amberg, WIThe unsuitable terrain encountered by the pilot during a forced landing following a loss of engine power due to a cylinder head separation. Contributing to the accident was the tree.NTSB LAX08LA217Accident · No injuriesLimited investigationFinal reportLancair LC41-550FG · Hailey, IDThe loss of directional control while taxiing due to the failure of the right brake.NTSB LAX08LA201Accident · Minor injuriesLimited investigationFinal reportCessna A185F · Rainier, ORThe inadvertent extension of the left float's landing gear to near the down position due to a failure of the gear's rear hydraulic seal.NTSB CHI08FA172Accident · No injuriesField investigationFinal reportEnstrom Helicopter 480B · Marinette, WIThe pilot inadvertently operating the helicopter at a gross weight greater than its maximum allowable operating weight, and flying the helicopter at an airspeed greater than the never-to-exceed speed for the helicopter’s gross weight condition, resulting in…NTSB DEN08LA107Accident · No injuriesLimited investigationFinal reportAyres S2R-G6 · Pine Bluff, ARA total loss of engine power due to fuel starvation as a result of an electrical short in the wiring to the manual fuel switch that closed the fuel valves.NTSB NYC08CA205Accident · No injuriesData collectionFinal reportLuscombe 8A · Indiantown, FLAn inadequate annual inspection that failed to detect a damaged rudder cable which resulted in the cable's subsequent failure during takeoff.NTSB MIA08LA149Accident · No injuriesLimited investigationFinal reportAero Commander 500-B · Charlotte AmaliThe failure of maintenance personnel to identify inadequate clamping of the aluminum line during inspection, and the undetected fatigue cracking of the line which resulted in the loss of hydraulic fluid.NTSB CHI08LA151Accident · No injuriesLimited investigationFinal reportBell 47D1 · Carrollton, OHThe airframe vibration for an undetermined reason.NTSB SEA08LA147Accident · No injuriesLimited investigationFinal reportAero Commander 690A · Tacoma, WAThe collapse of the right main landing gear for undetermined reasons.NTSB DFW08CA152Accident · Serious injuriesData collectionFinal reportRotorway 162F · Gonzales, TXfailure of the main rotor drive belt for undetermined reasons.NTSB MIA08LA106Accident · No injuriesLimited investigationFinal reportEurocopter France AS350 B2 · Hiram, GAThe failure of the starflex arm during engine run-up due to inadequate inspection by maintenance personnel.NTSB DEN08CA089Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164C · De Witt, ARThe pilot's improper decision to attempt to close the canopy in flight, and his diverted attention resulting in the airplane impacting the terrain. Contributing to the accident was the excessively worn canopy latch.NTSB ANC08CA065Accident · No injuriesData collectionFinal reportde Havilland DHC-3 · Talkeetna, AKThe pilot's selection of an unsuitable landing site, which resulted in an overload failure of the tail ski assembly during the landing roll.