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 ATL97LA048Accident · 2 fatalLimited investigationFinal reportBill Parson Parson 2+2 · Bunnell, FLThe owner/pilot mechanic's improper bending of the front flight control stick that resulted in an fatigue failure, and the subsequent loss of flight control.NTSB FTW97IA119Incident · No injuriesIncident investigationFinal reportBoeing 727-2K5 · Dfw Airport, TXfailure of the outer bearing for undetermined reason(s).NTSB ANC97LA033Accident · No injuriesLimited investigationFinal reportCessna 337T · Fairbanks, AKa leaking landing gear actuator seal, which resulted in an inability of the landing gear to lock in the down position. Failure of the emergency gear extension handle was a related factor.NTSB NYC97LA058Accident · Minor injuriesLimited investigationFinal reportAerospatiale AS-355F · Washington, PAThe malfunction of a cyclic servo which resulted in a cyclic hard over at a hover.NTSB DCA97IA030Incident · No injuriesIncident investigationFinal reportBoeing 727F · Atlanta, GAA jammed elevator resulting from a backed-off elevator trim tab nut.NTSB FTW97LA111Accident · No injuriesLimited investigationFinal reportCessna TR182 · Pueblo, COImproper repair to the nose landing gear assembly. A factor was binding of the nose gear extension assembly due to the improper repair.NTSB CHI97IA074Incident · No injuriesIncident investigationFinal reportde Havilland DHC-8-311 · Rapid City, SDa missing 'C' clip, which resulted in the master link coming apart, allowing the electric elevator trim chain and cable to become entangled in the elevator trim cables.NTSB LAX97FA107Accident · Serious injuriesField investigationFinal reportHughes 369D · Milolii, HIfailure of the tail rotor for undetermined reason(s), resulting in tail rotor imbalance, separation of the tail rotor, and an autorotative landing on rough terrain with high vegetation. The lack of suitable terrain for a forced landing was a related factor.NTSB CHI97IA073Incident · No injuriesIncident investigationFinal reportde Havilland DHC-8-102 · Romulus, MIa fractured fusion weld in the piston of the roll spoiler servoactuator, which allowed the plug at the base of the piston to separate and jam the piston. A factor relating to the incident was: the inadequate design of the airplane's roll spoiler servoactuator…NTSB CHI97IA072Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-9-15 · Des Moines, IAthe cross tie relay shorted resulting in a fire in the left main electrical equipment rack.NTSB IAD97IA048Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas MD-82 · Newark, NJfatigue fracture of the upper lock link, which led to the collapse of the nose gear during landing.NTSB LAX97LA101Accident · No injuriesLimited investigationFinal reportCessna 210H · Big Bear City, CAa corroded landing gear down limit switch, which resulted in a retracted left main gear during the landing sequence.NTSB SEA97LA058Accident · No injuriesLimited investigationFinal reportCessna 421C · Cedar City, UTwater contamination in the hydraulic system, which froze in the (right) main gear hydraulic actuator, and restricted movement of the (right) main gear retraction and extension system.NTSB CHI97IA075Incident · No injuriesIncident investigationFinal reportde Havilland DHC-8-102 · Charleston, WVa fractured fusion weld in the piston of the roll spoiler servoactuator, which allowed the plug at the base of the piston to separate and jam the piston. A factor relating to the incident was: the inadequate design of the airplane's roll spoiler servoactuator…NTSB SEA97IA051Incident · No injuriesIncident investigationFinal reportBeech 1900D · Seattle, WAan axial shift of the aft flap track bearing's outer roller, resulting in erosion and failure of the flap track bracket/bearing assembly. A factor relating to the incident was: inadequate inspection of the flap roller bearing/bracket assemblies.NTSB CHI97FA056Accident · 2 fatalField investigationFinal reportCessna 210N · Highland, MIin-flight breakup of the airplane for undetermined reason(s).NTSB SEA97FA049Accident · 2 fatalField investigationFinal reportChampion 7-GCBC · Creswell, ORthe pilot exceeded the design stress limits of the aircraft, while recovering from a spin, which resulted in failure and separation of the right wing tip and adjacent wing fabric (skin).NTSB MIA97LA067Accident · No injuriesLimited investigationFinal reportGrumman American AA-5B · Salisbury, NCcontinued operation of the aircraft by the flight instructor (CFI) and student after identifying a brake problem, which resulted in a fire that erupted from the brake system and subsequently destroyed the aircraft.NTSB IAD97LA044Accident · No injuriesLimited investigationFinal reportAerospatiale TB-20 · University Park, PAthe pilot's inability to control the airplane due to a damaged/bent elevator control lever and resultant lack of elevator authority.NTSB FTW97LA083Accident · Minor injuriesLimited investigationFinal reportBellanca 8KCAB · Laporte, TXThe pilot's diminished ability to maintain control of the airplane due to a jammed elevator control as result of inadequate maintenance procedures by the operator's mechanic.NTSB NYC97FA045Accident · Minor injuriesField investigationFinal reportBeech 1900D · Bangor, METhe inadequate flight and winter operations training provided by the operator, and the pilot's improper decision to abort the takeoff while airborne above V1, due to a false stall warning horn. Also casual was the airport operations improper decision to…NTSB MIA97LA056Accident · Minor injuriesLimited investigationFinal reportCessna 441 · Lakeland, FLFailure of the electronic engine control, which caused an overtorque condition in the right engine that made directional control of the airplane not possible by the pilot when the power to the left engine was retarded to idle during the takeoff roll.NTSB ATL97LA031Accident · No injuriesLimited investigationFinal reportCessna 310Q · Selma, ALThe failure of maintenance personnel to correctly repair and install the pilot's seat.NTSB LAX97FA069Accident · No injuriesField investigationFinal reportde Havilland DHC-8 · Honolulu, HIA failure of the normal landing gear extension system due to a hydraulic leak, and the failure of the airplane's emergency landing gear extension system due to inadequate servicing by company maintenance personnel. Factors were the emergency landing gear…NTSB MIA97LA038Accident · Minor injuriesLimited investigationFinal reportBell 47G · Lantana, FLan undetermined throttle problem, which resulted in a stuck (binding) throttle; and inadequate remedial action by the pilot, which led to a hard landing and subsequent nose over.NTSB MIA97LA036Accident · 1 fatalLimited investigationFinal reportBeech 18G · Roosevelt Roads, PRThe pilot's improper planning/decision concerning separation of the left engine cowling. Factors relating to the accident were: the pilot's failure to perform weight and balance calculations, and/or to ensure the airplane was loaded in accordance with company…NTSB CHI97IA041Incident · No injuriesIncident investigationFinal reportBoeing 757-225 · Terre Haute, INinadequate installation of electrical wiring for an audio entertainment system associated with Supplemental Type Certificate (STC) SA5537NM, and a subsequent short in the wiring. Factors relating to the accident were: inadequate design (installation…NTSB IAD97LA028Accident · No injuriesLimited investigationFinal reportHughes 269C · Mayfield, KYdisengagement of the main transmission aft pinion nut, allowing the tail rotor splined drive sleeve to disengage from the pinion, which resulted in loss of directional control and an emergency (autorotative) landing.NTSB FTW97FA051Accident · 3 fatalField investigationFinal reportEurocopter AS350B2 · High Island A20This case was modified 6/26/2006. The failure of the tail rotor pitch change link due to a fatigue fracture, which resulted in a loss of tail rotor control and separation of the aft tailboom.NTSB ATL97LA027Accident · No injuriesLimited investigationFinal reportBeech 35 · Lafayette, GAfailure of maintenance personnel to balance the ruddervator assemblies after they had been reskinned and painted, which resulted in flutter and subsequent damage to the empennage.NTSB CHI97IA034Incident · No injuriesIncident investigationFinal reportAirbus Industrie A-320-211 · Romulus, MIrestricted movement of the autopilot mode engagement/disengagement lever bearing in the rudder artificial feel and trim unit. A factor relating to this incident was: company management not implementing the respective service bulletin.NTSB NYC97LA020Accident · No injuriesLimited investigationFinal reportZukowski EAA Biplane · Williamsport, PAthe pilot's inadequate preflight preparation, which resulted in opening of the unsecured canopy during the takeoff roll, and subsequent loss of directional control and a nose over. A factor was: the pilot's failure to use a checklist.NTSB CHI97FA030Accident · Serious injuriesField investigationFinal reportBoeing 737-222 · Grand Rapids, MIa passenger sustained a fractured ankle during an emergency evacuation for undetermined reasons.NTSB CHI97IA029Incident · No injuriesIncident investigationFinal reportBeech 1900D · Hopkensville, KYthe materials used in the new windshield, to meet new EPA requirements, were inadequate for the design.NTSB IAD97IA018Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas MD-11 · Dayton, OHFailure of the output drive unit shear pin due to lack of lubrication to the screw actuator assemblies. Contributing to the cause was the aircraft manufacturer's production and inspection personnel failing to lubricate the screw assemblies after initial…NTSB NYC97FA013Accident · 2 fatalField investigationFinal reportPiper PA-34-200T · Lehman Township, PAThe failure of the forward fuselage nose assembly for an undetermined reason, which resulted in an in-flight breakup of the airplane.NTSB SEA97LA025Accident · 1 fatalLimited investigationFinal reportGarlick TH-1L · Leavenworth, WAFatigue failure of the vertical stabilizer spar cap and subsequent loss of the rotorcraft's vertical stabilizer. Factors include inadequate inspection or trouble-shooting of the aircraft tail cone and vertical stabilizer at and after the time sheet-metal…NTSB FTW97FA033Accident · 1 fatalField investigationFinal reportSchweizer SGS 1-36 · Boulder, COThe pilot exceeding the design stress limits of the aircraft by performing an aerobatic maneuver, resulting in total failure of the wing spar.NTSB IAD97LA013Accident · No injuriesLimited investigationFinal reportCessna 140 · Wakefield, VAuncommanded operation of the parking brake, due to a missing tension spring, which resulted in locked brakes and subsequent nose over of the airplane during landing.NTSB LAX97LA019Accident · No injuriesLimited investigationFinal reportAero Commander 690 · Phoenix, AZfailure of the main landing gear to fully engage in the down-and-locked position for undetermined reason(s). Loss of hydraulic pressure to the main gear for undetermined reasons(s) was a related factor.NTSB ATL97LA006Accident · No injuriesLimited investigationFinal reportCessna 337G · Fayetteville, NCThe unapproved maintenance modification of the landing gear electrical system by maintenance personnel that prevented the extension of the landing gear.NTSB LAX97LA005Accident · No injuriesLimited investigationFinal reportNorth American F-86 · Salinas, CAan internal failure of a hydraulic pump, which resulted in contamination in the hydraulic system and subsequent loss of the braking system. Factors related to the accident included the proximity of a fence and rough/uneven terrain adjacent to the runway.NTSB FTW97LA007Accident · No injuriesLimited investigationFinal reportHispano Aviacion HA-200 Saeta · Elk City, OKThe loss of aircraft control due to a fuel imbalance as a result of a partial failure of the fuel jettison system. A factor was that fuel could not be transferred from the left wing tip fuel tank to the rear fuselage fuel tank.NTSB SEA97FA001Accident · 3 fatalField investigationFinal reportBoeing Vertol BV-107 II · Canby, ORfailure of maintenance personnel to install a cotter pin in a clevis bolt in the flight control system, which resulted in the aft directional and lateral control output pushrod to become disconnected from a bellcrank in the forward portion of the first stage…NTSB CHI96FA353Accident · 4 fatalField investigationFinal reportCessna 195 · Greenville, MOthe pilot's decision to fly into known adverse weather which resulted in an overload failure and separation of the left wing.NTSB IAD96LA153Accident · No injuriesLimited investigationFinal reportCessna 188 · Pataskala, OHdeterioration and fuel leakage from an engine fuel hose (with a service life that had been exceed, due to inadequate maintenance), which resulted in an engine compartment fire and subsequent damage to the airplane.NTSB SEA96LA219Accident · Minor injuriesLimited investigationFinal reportKaman HH-43 B/F · Troy, MTfailure of the freewheeling sprag unit bearings for undetermined reasons.NTSB ATL96LA131Accident · No injuriesLimited investigationFinal reportBeech A23 · Tarboro, NCfatigue failure of the propeller blade. Factors relating to the accident were: corrosion pit(s) on the propeller blade, and inadequate maintenance/inspection of the propeller.NTSB ATL96LA129Accident · Minor injuriesLimited investigationFinal reportBell 47G-4A (Soloy) · Belmont, MSfailure of the aft universal joint of the tail rotor drive shaft, due to inadequate lubrication by company maintenance personnel. A factor relating to the accident was the pilot's delay in discontinuing the flight after noting a progressively worse tail rotor…NTSB CHI96FA334Accident · 2 fatalField investigationFinal reportThocker RV-4 · Muncie, INwas the in-flight disconnection of the horizontal and vertical stabilizer forward attachments.