NTSB investigations
996 cases where the sequence of events included 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '330' 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" = '330' 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 WPR09LA372Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Walla Walla, WAA tripped landing gear motor circuit breaker, which prevented the gear from fully locking in the down position, and subsequent collapse during landing. Contributing to the accident was the disabled landing gear warning horn.NTSB WPR09LA350Accident · Minor injuriesLimited investigationFinal reportBielawa Rotorway E · Sequim, WAThe failure (disbonding) of a composite main rotor blade for undetermined reasons, leading to an immediate loss of control in flight during hover.NTSB WPR09CA349Accident · No injuriesData collectionFinal reportEvektor-Aerotechnik Sportstar · Snohomish, WAA complete loss of engine power due to the failure of the airplane's engine-driven fuel pump.NTSB WPR09LA341Accident · No injuriesLimited investigationFinal reportPiper PA-46-310P · Westley, CAThe failure of the landing gear hydraulic line socket, which resulted in a hydraulic leak and in-flight fire. Contributing to the accident was the failure of the owner and/or maintenance facility to comply with the maintenance manual hose replacement schedule.NTSB CEN09CA493Accident · Minor injuriesData collectionFinal reportDiamond Aircraft Ind DA 40 · Cape Girardeau, MOThe airplane's inoperative brakes while taxiing. Contributing to the accident was the pilot's inadequate preflight.NTSB CEN09CA510Accident · No injuriesData collectionFinal reportWohnoutka Steven M Team Z MAX · Iowa, LAA total loss of engine thrust during initial climb due to the failure of the airplane's propeller as a result of preexisting damage.NTSB CEN09LA415Accident · No injuriesLimited investigationFinal reportCessna 441 · Albuquerque, NMA malfunction of the landing gear selector switch and a loose fitting on the emergency extension system which rendered the landing gear system inoperable.NTSB CEN09LA417Accident · No injuriesLimited investigationFinal reportCessna T210L · Santa Teresa, NMThe failure of the landing gear accumulator seal for undetermined reasons. Contributing to the accident was the pilot’s failure to confirm the status of the landing gear.NTSB CEN09IA618Incident · No injuriesIncident investigationFinal reportBell 230 · Peoria, ILThe loss of the number one hydraulic system fluid and hydraulic pressure during cruise due to the failure of the bolts that secure the hydraulic pump's cover.NTSB CEN09CA382Accident · Serious injuriesData collectionFinal reportBakeng Deuce · Beach City, TXThe loss of engine power due to fuel starvation resulting from a partially crimped fuel tank vent tube.NTSB WPR09LA307Accident · No injuriesLimited investigationFinal reportGunnoe Velocity · Livermore, CAThe failure of the right brake due to a restricted brake rotor and subsequent brake fluid line failure as a result of inadequate maintenance.NTSB WPR09LA297Accident · No injuriesLimited investigationFinal reportBellanca 17-31ATC · Roosevelt, UTThe retraction of the left main landing gear due to the failure of the extension and retraction actuator arm attach bolt. Contributing to the accident was the failure of maintenance personnel to discover the extensive elongation of the actuator attach fitting…NTSB DCA09WA062Incident · No injuriesForeign investigationBoeing 767 · North Bay, CanadaOn June 19, 2009, a Boeing 767-300, registration SP-LPA, operated by LOT Polish Airlines (flight number LOT 2) departed O'Hare International Airport, Chicago, Illinois (ORD) destined for Warsaw, Poland. In the vicinity of North Bay, Ontario, Canada, while…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 ERA09CA327Accident · No injuriesData collectionFinal reportMeuer Mark SA900 V ST · Winchester, TNThe malfunction of the right brake during landing rollout.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 ERA09FA304Accident · No injuriesField investigationFinal reportBeech C90A · Yeehaw Junction, FLThe failure of the flightcrew to recognize that both engines were being supplied fuel only from the right wing fuel tanks resulting in loss of power in both engine due to fuel starvation. Contributing to the accident were the inoperative the left auxiliary…NTSB CEN09LA319Accident · No injuriesLimited investigationFinal reportMileski Zenair · New Hudson, MIThe pilot's improper flare which resulted in a hard landing and subsequent failure of the nose landing gear.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 WPR09LA245Accident · No injuriesLimited investigationFinal reportCessna 172N · Desert Center, CAA partial loss of engine power due to low compression from an obstructed intake valve. Contributing to the accident was the pilot’s decision to shut down the engine while in flight.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 ERA09IA267Incident · No injuriesIncident investigationFinal reportCessna 402C · Nantucket, MAInstallation of an improper bearing in the landing gear actuator.NTSB WPR09LA197Accident · No injuriesLimited investigationFinal reportRaytheon A36 · Lopez Island, WAA loss of engine power during cruise flight due to oil starvation. The oil starvation event was due to the failure of maintenance personnel to tighten the aft mounting nuts for the newly installed propeller governor and the pilot’s failure to secure the oil…NTSB ANC09LA032Accident · No injuriesLimited investigationFinal reportPiper PA-14 · Anchorage, AKThe pilot's inability to maintain directional control due to the pilot's seat sliding back during takeoff as a result of maintenance personnel's incorrect installation of the seat's forward track stop.NTSB WPR09LA179Accident · No injuriesLimited investigationFinal reportCessna 182 · Kalispell, MTA partial loss of engine power during a go-around for undetermined reasons. Contributing to the accident was a fatigue failure of the right main landing gear spring.NTSB ERA09CA227Accident · No injuriesData collectionFinal reportPiper PA-31-325 · Newark, NJThe pilot's decision to continue to operate the airplane with inoperative brakes on the airplane's right side.NTSB WPR09LA168Accident · No injuriesLimited investigationFinal reportCessna 182Q · Sedona, AZThe pilot's failure to achieve the proper touchdown point during a full-stop landing attempt. Contributing to the accident were the pilot's failure to ensure that the aircraft was properly configured for landing, his not initiating a go-around, and a…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 CEN09CA232Accident · No injuriesData collectionFinal reportCessna 150D · Madison, INThe loss of engine power due to the failure of the engine's muffler which melted and grounded the ignition P-lead wire.NTSB ERA09LA210Accident · No injuriesLimited investigationFinal reportCessna 310K · Ocala, FLThe right main landing gear collapse as a result of the pilot's improper flare during a previous landing. Contributing to the accident was the flight instructor's inadequate supervision.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 WPR09CA136Accident · No injuriesData collectionFinal reportPiper PA-22-160 · Ogden, UTThe loss of directional control during the landing roll due to the separation of the tailwheel spring retaining clip for unknown reasons.NTSB CEN09LA170Accident · No injuriesLimited investigationFinal reportBeech B35 · La Luz, NMA loss of engine power due to fuel starvation as a result of a blockage in the right fuel tank vent.NTSB CEN09LA167Accident · No injuriesLimited investigationFinal reportBeech H35 · Grain Valley, MOThe loss of engine power due to fuel starvation (mechanical). Contributing to the accident was the forced landing on unsuitable terrain.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 WPR09LA100Accident · No injuriesLimited investigationFinal reportCessna 210A · Henderson, NVAn undetermined failure of the hydraulic power pack to fully extend the main landing gear through both the normal and emergency systems.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 WPR09CA094Accident · No injuriesData collectionFinal reportJones Rodney V Wittman TA · Yucca Valley, CAA loss of directional control due to a weld joint failure of the left rudder pedal.NTSB WPR09LA082Accident · Minor injuriesLimited investigationFinal reportStits Flut-R-Bug SA6B · Los Olivos, CAA loss of engine power for undetermined reasons. Contributing to the accident was the pilot's improper decision to depart from a road with a known unresolved engine problem.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 CEN09FA098Accident · 2 fatalField investigationFinal reportPiper PA-46 · Hayden, COThe pilot's loss of situational awareness while maneuvering in adverse weather conditions, resulting in spatial disorientation.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.