NTSB investigations
129 cases where the probable cause includes Development.
Cases per year
| 2008 | 15 |
|---|---|
| 2009 | 14 |
| 2010 | 13 |
| 2011 | 12 |
| 2012 | 10 |
| 2013 | 8 |
| 2014 | 7 |
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 2 |
Where
Open the mapLatest cases
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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f.\"inProbableCause\" AND starts_with(f.\"findingCode\", '0401')) 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f."inProbableCause" AND starts_with(f."findingCode", '0401')) 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 CEN25LA117Accident · No injuriesClass 3 · LimitedFinal reportVans RV-7A · Plainview, TXThe improper machining of the propeller blade bearing seat, which resulted in an inflight propeller blade fatigue failure. Contributing to the accident was the improper machining of the propeller hub and propeller blade root and machining surface quality…NTSB DCA25MA108Accident · 67 fatalClass 1 · MajorFinal reportBombardier CL-600-2C10 · Washington, DCThe Federal Aviation Administration’s (FAA) placement of a helicopter route in close proximity to a runway approach path; their failure to regularly review and evaluate helicopter routes and available data, and their failure to act on recommendations to…NTSB CEN25LA043Accident · No injuriesClass 3 · LimitedFinal reportPitts S1E · Seguin, TXThe improper construction of the rudder cable assembly by the airplane builder, which resulted in the fatigue failure of the left rudder cable during the landing roll and the pilot’s subsequent inability to maintain directional control.NTSB ERA24LA392Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · LaGrange, GAImproper manufacture of a cylinder exhaust valve guide by the engine manufacturer, which resulted in a stuck exhaust valve and a partial loss of engine power during initial climb.NTSB CEN24LA318Accident · No injuriesClass 3 · LimitedFinal reportAyres S2R · Stanwood, MIThe pilot’s failure to maintain terrain clearance during a low-level aerial application flight, which resulted in impact with terrain and a subsequent forced landing. Contributing to the accident was the location of the spray boom pressure gauge, which…NTSB CEN24FA218Accident · 1 fatalClass 3 · FieldFinal reportCessna 172 · Gainesville, TXThe fuel pump manufacturer’s improper torquing of screws on the engine-driven fuel pump, which resulted in a disruption in the fuel system and a loss of engine power on initial climb.NTSB ERA24LA163Accident · Serious injuriesClass 3 · LimitedFinal reportEvektor-Aerotechnik A S Harmony LSA · Seffner, FLThe improper installation of the fuel line that connected the fuel pump to the four-way distributor, which resulted in fuel starvation when the line became disconnected.NTSB ENG24LA012IncidentClass 3 · LimitedFinal reportBritish Aerospace BAE 146 Series 200A · Missoula, MTThe use of a new long term fire retardant with a chemical composition incompatible with the retardant previously in use for the integration-operational field evaluation without adequate testing and qualification.NTSB CEN24LA121Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Watertown, SDThe stuck No. 2 cylinder exhaust valve, which resulted in a partial loss of engine power and a forced landing due to an undersized exhaust valve guide. Contributing to the accident were the improper manufacture of the engine cylinders, and the operation of…NTSB ERA24LA216Accident · Serious injuriesClass 3 · LimitedFinal reportApellix B1 Washing Drone · Orlando, FLA failure of the sUAS’s magnetometer while operating in close proximity to commercial air conditioning equipment, which resulted in the sUAS’s erratic maneuvering. Contributing to the accident was the RPIC’s failure to input the appropriate command to disarm…NTSB ERA24LA099Accident · No injuriesClass 3 · LimitedFinal reportSwissdrones Operating SDO 50 V2 · Antioch, GAA partial loss of engine power due to a reduction of fuel flow for undetermined reasons. Contributing to the accident was the UAS manufacturer’s lack of instructions for a partial loss of engine power landing.NTSB ERA24LA066Accident · Serious injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 40 NG · Asheville, NCFatigue failure of the No. 4 inner main bearing cap screw and connecting rod bolts, which resulted in a total loss of engine power. Contributing to the failure were the low material strength of the inner main bearing cap screw and the increased loads on the…NTSB WPR24FA053Accident · 1 fatalClass 3 · FieldFinal reportBeauchamp Norm Kitfox · Eloy, AZThe separation of a propeller blade during the initial climb due to insufficient blade retention forces. Contributing to the accident was the propeller blade retention design, manufacturing defects that prevented the propeller from achieving adequate grip…NTSB ENG24FA003Incident · No injuriesClass 3 · FieldFinal reportBoeing 767-300F · Memphis, TNA high-pressure fuel leak from a gap in the bolted flange interface between the main fuel pump’s fuel crossover supply tube and the hydromechanical unit idler adapter pad, which resulted in the crossover tube flange bolts partially pulling out and allowing…NTSB CEN23LA390Accident · No injuriesClass 3 · LimitedFinal reportZlin Aviation S R O Savage Norden · Cabot, ARThe airplane manufacturer’s routing of the fuel pump wiring next to the engine’s turbocharger and exhaust, which thermally damaged the wiring and resulted in a malfunction of the fuel delivery system and a total loss of engine power.NTSB WPR23LA270Accident · No injuriesClass 3 · LimitedFinal reportSling Sling LSA · Palm Springs, CAFailure of the landing gear strut during takeoff due to a preexisting cracks that were caused by a manufacturing anomaly during the composite fiber layup process.NTSB ERA23LA293Accident · Minor injuriesClass 3 · LimitedFinal reportHughes 369D · Waldorf, MDFatigue failure of the overrunning clutch outer race and a subsequent inflight loss of power due to abnormal bending loads as a result of improper reassembly of the clutch subassembly following maintenance and the presence of microcracks on the clutch’s outer…NTSB WPR23LA255Accident · Serious injuriesClass 3 · LimitedFinal reportAvia Stroitel AC-5M · North Plains, ORThe pilot’s failure to maintain control of the motor glider, which resulted in an inflight overstress separation of the right wing during a high-speed, high-wing-load spiral dive recovery. Contributing to the accident was the inadequately manufactured wing…NTSB CEN23LA014Accident · No injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 62 · Dallas, TXA total loss of airplane electrical power for undetermined reasons, which resulted in a complete loss of engine power to both engines. Contributing was the worn main battery and the incorrectly wired ECU backup batteries.NTSB ERA23FA007Accident · 1 fatalClass 3 · FieldFinal reportSeamax M-22 · East Hampton, NYAn inflight separation of the right wing as a result of the manufacturer’s application of a bolt and nut in the upper wing strut attachment point that was inconsistent with the nut design intent and usage limitations.NTSB CEN22LA430Accident · No injuriesClass 3 · LimitedFinal reportAgusta AW139 · Houma, LAThe inflight loss of collective control of the helicopter due to thermal damage of a collective control torque tube that abraded with misrouted electrical wiring, which resulted in an electrical short and inflight fire. Contributing to the accident were the…NTSB DCA22LA175Accident · No injuriesClass 4 · LimitedFinal reportBoeing 777 · Chicago, ILThe ground controller’s inappropriate routing of the B777 through a non-movement area, resulting in the airplane’s right wingtip contacting a light pole. Contributing to the accident was the lack of an appropriate display of taxiway BB2 as a restricted…NTSB ERA21FA346Accident · 4 fatalClass 2 · FieldFinal reportCessna 560 · Farmington, CTThe pilot-in-command’s failure to release the parking brake before attempting to initiate the takeoff, which produced an unexpected retarding force and airplane-nose-down pitching moment that prevented the airplane from becoming airborne within the takeoff…NTSB DCA21FA085Incident · No injuriesClass 3 · FieldFinal reportBoeing 777-222 · Broomfield, COThe fatigue failure of the right engine fan blade. Contributing to the fan blade failure was the inadequate inspection of the blades, which failed to identify low-level indications of cracking, and the insufficient frequency of the manufacturer’s inspection…NTSB DCA20IA081Incident · No injuriesClass 3 · IncidentFinal reportAerospatiale AS350BA · Johnson Valley, CAthe failure of the small UAS remote pilot to give way to the helicopter, resulting in an inflight collision. Contributing to the incident was the sUAS remote pilot’s failure to assess and mitigate the risks of operations in close proximity to other aircraft.…NTSB DCA20MA002Accident · 1 fatalClass 1 · MajorFinal reportSaab 2000 · Unalaska, AKThe landing gear manufacturer’s incorrect wiring of the wheel speed transducer harnesses on the left main landing gear during overhaul. The incorrect wiring caused the antiskid system not to function as intended, resulting in the failure of the left outboard…NTSB WPR19FA230Accident · No injuriesClass 3 · FieldFinal reportCessna 560XL · Oroville, CAThe pilot’s failure to release the parking brake before attempting to initiate the takeoff, which produced an unexpected retarding force and airplane nose down pitching moment. Also causal was the flight crew’s delayed decision to abort the takeoff, which…NTSB CEN19LA159Accident · No injuriesClass 3 · LimitedFinal reportLancair LC41 · Cleburne, TXA total loss of engine power due to oil starvation as the result of the oil pressure switch failure due to a manufacturing defect.NTSB CEN19MA141Accident · 6 fatalClass 1 · MajorFinal reportDe Havilland DHC-2 · Ketchikan, AKThe inherent limitations of the see-and-avoid concept, which prevented the two pilots from seeing the other airplane before the collision, and the absence of visual and aural alerts from both airplanes’ traffic display systems, while operating in a geographic…NTSB ERA19FA170Accident · 1 fatalClass 3 · FieldFinal reportPiper PA 30 · Naples, FLIncapacitation of the pilot due to a birdstrike through the windshield in front of the pilot's position, while on approach to land.NTSB ENG19IA008IncidentClass 3 · IncidentFinal reportAirbus A220 · Busan, South KoreaThe manufacturer’s inadequate cleaning of the crucible before melting the nickel alloy used in casting the low pressure turbine stage 3 blades that resulted in a casting anomaly from where an intergranular crack occurred became the origin of a fatigue crack…NTSB ERA18LA117Accident · No injuriesClass 3 · LimitedFinal reportStanley Lancair · Sebring, FLThe failure of ground personnel to obtain permission from airport management to conduct engine test runs; adequately monitor the area behind the B737 for traffic; and install barricades to prevent access behind the running airplane, which resulted in the…NTSB ANC18LA018Accident · No injuriesClass 2 · LimitedFinal reportCostruzioni Aeronautiche Tecna P2006 · Lynchburg, VAThe failure of the left main landing gear assembly due to a fatigue fracture along the inside circumferential weld on the trailing arm’s attachment flange, which resulted from the manufacturer’s inadequate welding of the trailing arm connecting the lower arm…NTSB ANC18LA008Accident · No injuriesLimited investigationFinal reportCloud Jeffrey Ferrell Long EZ · Eufaula, ALThe in-flight separation of a portion of the propeller, which subsequently penetrated the right rudder, as a result of the failure of the bond line between two of the propeller’s wood layers. Contributing to the failure of the propeller was the manufacturer’s…NTSB ERA17LA263Accident · Minor injuriesLimited investigationFinal reportSikorsky S-97A · Jupiter, FLA design change in the helicopter's fly-by-wire control system that resulted in an increase in the sensitivity of the cyclic stick while transitioning from ground to flight mode, magnifying the pilot's control inputs, which resulted in unintentional over…NTSB WPR17LA159Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Van Nuys, CAAn improper repair of the right magneto's tachometer and governor signal wire, which failed during cruise flight and initiated a simultaneous malfunction of both the engine tachometer and governor control system, which resulted in erroneous and contradictory…NTSB CEN17LA156Accident · No injuriesLimited investigationFinal reportLoomis Xenon 4 · Knoxville, IAA partial loss of engine power for reasons that could not be determined based on the available information. Contributing to the accident was the failure of the owners to obtain proper materials regarding the operation and maintenance of the engine.NTSB ANC17FA009Accident · 1 fatalClass 3 · FieldFinal reportBellanca 7GCBC · Fairbanks, AKThe pilot’s decision to operate the airplane at an altitude too low to allow for recovery from an intentional aerodynamic stall. Contributing to the accident was the pilot’s lack of knowledge of the stall performance characteristics of the airplane modified…NTSB DCA17FA021Accident · Serious injuriesClass 1 · FieldFinal reportBoeing 767 · Chicago, ILThe failure of the high-pressure turbine (HPT) stage 2 disk, which severed the main engine fuel feed line and breached the right main wing fuel tank, releasing fuel that resulted in a fire on the right side of the airplane during the takeoff roll. The HPT…NTSB GAA16CA442Accident · No injuriesData collectionFinal reportCessna 172 · Anchorage, AKThe facility's designation of the taxiway for use by maintenance personnel to conduct high thrust tests without appropriate safeguards in place, which led to maintenance personnel conducting high-power, run-up thrust procedures across the active taxiway and…NTSB ERA16LA274Accident · Minor injuriesLimited investigationFinal reportAlisport Silent 2 Targa · London, KYThe pilot's failure to properly secure the right side of the canopy before takeoff, and an in-flight collision with trees while maneuvering with an open canopy. Contributing to the pilot's failure to properly secure the canopy was the lack of a visual…NTSB DCA16FA199Accident · 2 fatalClass 2 · FieldFinal reportBell 525 · Italy, TXA severe vibration of the helicopter that led to the crew's inability to maintain sufficient rotor rotation speed (Nr), leading to excessive main rotor blade flapping, subsequent main rotor blade contact with the tail boom, and the resultant in-flight…NTSB ERA16FA194Accident · 2 fatalField investigationFinal reportJihlavan Airplanes Sro KP 5 ASA · Rhoadesville, VAThe pilots' loss of control that necessitated the activation of the parachute system and the airplane manufacturer's inadequate design of the front parachute anchor attachment structure, which resulted in a failure of the parachute after it was deployed in…NTSB DCA16LA032Accident · No injuriesLimited investigationFinal reportBoeing 737 3H4 · Nashville, TNthe flight crew's early turn towards the assigned gate because taxiway lighting had been inadvertently turned off by the controller-in-charge which resulted in the airplane leaving the paved surface. Contributing to the accident was the operation of the…NTSB CEN16MA036Accident · 9 fatalClass 1 · MajorFinal reportBritish Aerospace HS 125 700A · Akron, OHThe flight crew's mismanagement of the approach and multiple deviations from company standard operating procedures, which placed the airplane in an unsafe situation and led to an unstabilized approach, a descent below minimum descent altitude without visual…NTSB CEN15MA290Accident · 1 fatalClass 1 · MajorFinal reportAirbus Helicopters AS350B3E · Frisco, COAirbus Helicopters' dual-hydraulic AS350 B3e helicopter's (1) preflight hydraulic check, which depleted hydraulic pressure in the tail rotor hydraulic circuit, and (2) lack of salient alerting to the pilot that hydraulic pressure was not restored before…NTSB WPR15LA184Accident · No injuriesLimited investigationFinal reportEclipse EA500 · Sacramento, CAA manufacturing defect that resulted in fatigue failure of the left main landing gear trunnion.NTSB CEN15LA238Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Omega, OKImproper base metal preparation or contamination of the No. 5 cylinder wall before it was coated, which resulted in the coating peeling off of the cylinder wall and contaminating the engine oil and the subsequent partial loss of engine power.NTSB WPR15LA109Accident · No injuriesLimited investigationFinal reportBell/Garlick UH 1H · Shelton, WAThe fatigue failure of the engine-to-transmission driveshaft adapter attachment bolt due to the application of inadequate torque on the bolt during assembly.NTSB CEN15FA126Accident · 2 fatalField investigationFinal reportEnstrom 280FX · Erie, COAn in-flight failure of the helicopter's #2 main rotor spindle due to undetected fatigue cracking, which resulted in an in-flight breakup. Contributing to failure were the nonconforming thread root radius of the spindle and the manufacturer's failure to…