NTSB investigations, IL

127 cases where the first occurrence was “Airframe/component/system failure/malfunction”.

Cases per year

19822026
NTSB investigations, IL per year, 1982–2026: 127 cases
19824
198312
19848
19857
19865
19878
198810
19895
19902
19915
19925
19938
19943
19956
19962
19972
19981
19996
20003
20014
20023
20036
20053
20064
20075

Latest 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.\"eventStateOrRegion\" = 'IL' AND c.\"eventCountry\" = 'USA'
    AND 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.

NTSB CHI08CA056Accident · No injuriesData collectionFinal reportErcoupe 415D · Abingdon, ILThe loose clamp on the throttle cable which prevented application of engine power. A factor in the accident was the low altitude when the throttle cable slipped.Dec 29, 2007 · N94131 · Substantial damageNTSB CHI08FA050Accident · Serious injuriesField investigationFinal reportBoeing 777-222 · Chicago, ILEmergency evacuation due to dense smoke in the cabin and the possibility of an on-board fire, which resulted in a serious injury to one of the 264 passengers and crew. An additional cause was the failure of an engine bearing, allowing oil to migrate into the…Dec 14, 2007 · N220UA · Minor damageNTSB CHI08IA026Incident · Minor injuriesIncident investigationFinal reportAirbus Industrie A320-232 · Chicago, ILThe misrouted and reversed antiskid wiring by vendor maintenance personnel leading to the runway excursion. Contributing to the incident were the runway sign, the vendor's maintenance personnel not understanding the entire maintenance procedures in the dual…Oct 10, 2007 · N431UA · Minor damageNTSB NYC07IA199Incident · No injuriesIncident investigationFinal reportPiper PA-32R-301T · Alton, ILThe component manufacturer's inadequate fabrication of the transient voltage suppressor.Aug 15, 2007 · N3120T · Minor damageNTSB CHI07LA080Accident · 1 fatalLimited investigationFinal reportWood Quickie Q-2 · Edwardsville, ILThe loss of engine power during cruise due to loose cylinder head bolts/loose cylinders.Mar 5, 2007 · N89WW · Substantial damageNTSB CHI07LA056Accident · No injuriesLimited investigationFinal reportPiper PA-24-260B · Belleville, ILThe failure of the torque link bolt which resulted in the right main landing gear strut scissors separating and becoming jammed in the wheel well. Contributing to the accident was the seized torque link bolt due to surface corrosion.Dec 28, 2006 · N9284P · Substantial damageNTSB CHI06GA174Accident · Minor injuriesFinal reportBell UH-1H · Chicago, ILThe in-flight separation of a tail rotor driveshaft hanger bearing due to inadequate maintenance performed by maintenance personnel. Contributing to the accident was the inability to maintain directional control due to the lack of tail rotor thrust.Jun 30, 2006 · N681FD · Substantial damageNTSB CHI06FA158Accident · No injuriesField investigationFinal reportMcDonnell Douglas DC-9-83 · Chicago, ILThe jammed nose landing gear due to a failure of the nose landing gear spray deflector for undetermined reasons.Jun 20, 2006 · N961TW · Substantial damageNTSB CHI06LA088Accident · No injuriesLimited investigationFinal reportIrwin Sonex 2180 · Rockford, ILThe loss of engine power due to the restricted movement of the throttle cable during cruise flight. A factor in the accident was the trees contacted during the forced landing.Feb 27, 2006 · N514KP · Substantial damageNTSB CHI06CA014Accident · No injuriesData collectionFinal reportCessna 210C · Kankakee, ILA hydraulic line leak causing a loss of hydraulic fluid and subsequent failure of the hydraulic system. An additional cause was the inoperative landing gear extension system, both normal and emergency, due to a complete loss of the hydraulic system.Oct 19, 2005 · N3610Y · Substantial damageNTSB CHI05LA243Accident · 1 fatalLimited investigationFinal reportAllensworth Baby Belle · El Dara, ILThe manufacturer failed to specify a relief radius on the tail rotor spindle drawings, which resulted in the spindle being manufactured with an inadequate relief radius at the point of fatigue failure.Aug 28, 2005 · N9094P · DestroyedNTSB CHI05CA134Accident · No injuriesData collectionFinal reportTemco GC-1B · Morris, ILMalfunction of the pilot seat positioning mechanism for undetermined reasons resulting in a loss of aircraft control. The runway light struck when the airplane departed the pavement was a contributing factor.May 25, 2005 · N3875K · Substantial damageNTSB CHI04FA031Accident · No injuriesField investigationFinal reportCessna 560XL · Wheeling, ILThe flight crew's intentional operation with know deficiencies in the aircraft and their delay in aborting the takeoff when a no-takeoff warning was presented. An additional cause was the crew's failure to comply with flight manual procedures concerning…Nov 11, 2003 · N789CN · Substantial damageNTSB CHI03LA314Accident · No injuriesLimited investigationFinal reportCessna 182S · Joliet, ILThe pilot not performing a go-around when the other airplane taxied onto the landing runway, which resulted in the pilot not attaining the proper touchdown point. Factors to the accident include the failure of the alternator, the complete loss of electrical…Sep 21, 2003 · N775WB · Substantial damageNTSB CHI03LA318Accident · Minor injuriesLimited investigationFinal reportDixon Glasair II · Columbia, ILThe pilot's failure to maintain directional control during an aborted takeoff. Contributing factors were the open cabin door, the grass runway and the soft terrain adjacent to the runway.Sep 6, 2003 · N817CD · Substantial damageNTSB CHI03IA293Incident · No injuriesIncident investigationFinal reportBell 230 · Wilmington, ILThe material defect during the manufacture of the tail rotor counterweight bellcrank and the bellcrank's subsequent failure due to a fatigue fracture.Aug 20, 2003 · N880SF · Minor damageNTSB CHI03IA097Incident · No injuriesIncident investigationFinal reportBoeing 747-422 · Chicago, ILFailure of company maintenance personnel to fully comply with published maintenance/inspection procedures, as well as the resulting inoperative drain heaters and restricted movement of the aileron control cables. Contributing factors were the impeded waste…Apr 1, 2003 · N175UA · No damageNTSB CHI03LA067Accident · No injuriesLimited investigationFinal reportBeech BE-G35 · Urbana, ILThe partial failure of the left stabilizer in overload.Feb 9, 2003 · N4668D · Substantial damageNTSB CHI03IA027Incident · No injuriesIncident investigationFinal reportAirbus Industrie A319-131 · Chicago, ILThe maintenance facililty improperly assembled and installed the nose landing gear shock absorber assembly. Factors were the improper assembly which allowed the nose gear to turn 90 degrees to the direction of travel.Nov 21, 2002 · N804UA · Minor damageNTSB CHI03FA025Accident · No injuriesField investigationFinal reportRobinson R22 · St. Jacob, ILFatigue fracture of the clutch assembly fan shaft and the resulting complete loss of power to the rotor drive system. A contributing factor was the loss of tail rotor authority due to the secondary failure of the control tube assembly.Nov 20, 2002 · N559DD · Substantial damageNTSB CHI02LA161Accident · No injuriesLimited investigationFinal reportCessna R182 · Harvard, ILThe pilot's failure to verify the extension of the landing gear. Factors were the alternator failure, and the main landing gear down locks not engaged.Jun 7, 2002 · N756TK · Substantial damageNTSB CHI02LA022Accident · No injuriesLimited investigationFinal reportSmith Aerostar 601 · Danville, ILThe separation of the main landing gear scissor assembly during landing for undetermined reasons, resulting in the directional control of the airplane not being possible.Nov 8, 2001 · N128AC · Substantial damageNTSB CHI01LA314Accident · No injuriesLimited investigationFinal reportBeech 76 · Wheeling, ILThe failure of the hydraulic power pack,and the false landing gear position indication.Sep 10, 2001 · N383 · Substantial damageNTSB CHI01LA274Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Union, ILThe total failure of the crankshaft as a result of fatigue and the unsuitable terrain encountered during the forced landing. Factors associated with the accident were the soft terrain on which the forced landing was made and the subsequent gear collapse.Aug 12, 2001 · N8424W · Substantial damageNTSB CHI01FA232Accident · 2 fatalField investigationFinal reportSmith Kelly-D · Poplar Grove, ILThe right upper wing failed due to overload. A factor was the pilot performing aerobatic manuevers.Jul 21, 2001 · N303SM · DestroyedNTSB CHI01IA055Incident · No injuriesIncident investigationFinal reportEmbraer EMB-135LR · Chicago, ILThe jammed horizontal stabilizer trim that occurred during the airplane's initial climb after takeoff. Factors relating to the incident were the inadequate capability of the horizontal stabilizer trim actuator to move the stabilizer during all flight phases,…Dec 28, 2000 · N721HS · No damageNTSB CHI01IA016Incident · No injuriesIncident investigationFinal reportBoeing B-727-61 · Wood Dale, ILInadequate overhaul of the flap segment that allowed for corrosion and debonding that resulted in the flap segment departing the airplane during the approach. Factors relating to this incident were insufficient information provided to the overhaul facility by…Oct 17, 2000 · N530KF · Minor damageNTSB CHI00IA221Incident · No injuriesIncident investigationFinal reportAerospatiale ATR 42-300 · Champaign, ILThe failure of the aileron trim switch due to foreign material contamination.Jul 23, 2000 · N421TE · No damageNTSB CHI00LA038Accident · No injuriesLimited investigationFinal reportCessna 310Q · Moline, ILthe landing gear locking mechanism was not properly locked. Factors relating to this accident were the improper rigging of the gear and the runway marker.Nov 26, 1999 · N7762Q · Substantial damageNTSB CHI00IA018Incident · No injuriesIncident investigationFinal reportBoeing 757-222 · Chicago, ILthe in-flight vibration of the airplane's elevator due to excessive freeplay in the elevator control system. Factors included the corrosion of the elevator PCA reaction link bearings and the elevator hinge bearings, excessive axial and radial wear of the…Oct 29, 1999 · N575UA · No damageNTSB CHI00IA009Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-9-51 · Chicago, ILThe landing gear's wheel separation due to the improper installation of the wheel by company maintenance personnel using incomplete maintenance steps, and the maintenance steps not listed in the manufacturer's manual. Factors were the airport perimeter wall…Oct 14, 1999 · N766NC · No damageNTSB CHI99IA144Incident · No injuriesIncident investigationFinal reportCessna 206H · Wheeling, ILimproper installation of the aileron control bellcrank stop bolts and lock nuts during the manufacturing process which resulted in a binding aileron control surface.Apr 26, 1999 · N42122 · No damageNTSB CHI99FA120Accident · No injuriesField investigationFinal reportExtra Flugzeugbau 300S · Dow, ILa fatigue failure of the upper left longeron and adjacent diagonal cross member near the horizontal stabilizer attach point. A factor related to the accident was that the manufacturer informed the operator that they were already in compliance with the latest…Mar 24, 1999 · N9K · Substantial damageNTSB CHI99LA092Accident · No injuriesLimited investigationFinal reportCessna 172RG · Lawrenceville, ILthe fatigue fracture of the landing gear actuator.Feb 15, 1999 · N9506D · Substantial damageNTSB CHI98LA091Accident · No injuriesLimited investigationFinal reportCessna 210G · Springfield, ILThe failure of left main landing gear saddle resulting in the pilot's inability to extend the left gear. A factor was maintenance personnel's failure to comply with the related airworthiness directive.Feb 4, 1998 · N5842F · Substantial damageNTSB CHI98FA017Accident · No injuriesField investigationFinal reportBeech G35 · Poplar Grove, ILflutter for an undetermined reason, which resulted in structural damage to the aft fuselage.Oct 6, 1997 · N129B · Substantial damageNTSB CHI98IA007Incident · No injuriesIncident investigationFinal reportBoeing 737-200 · Chicago, ILan improper repair to a crack in a brake flange hole on the left main landing gear outboard axle, and subsequent fatigue failure of the axle.Oct 4, 1997 · N129SW · Minor damageNTSB CHI96LA328Accident · No injuriesLimited investigationFinal reportCessna 182P · Cahokia, ILthe pilot misjudged his planned approach during the precautionary landing and the failed to obtain a proper touchdown point. Factors relating to the accident were: the loose oil filler cap, the uneven terrain on which the landing was made, the runway lights…Sep 7, 1996 · N6590M · Substantial damageNTSB CHI96FA264Accident · 1 fatalField investigationFinal reportHoffman, Wolf, Flugzeugbau H-36 · Waukegan, ILfailure of the pilot to maintain adequate airspeed, while maneuvering to land, which resulted in an inadvertent stalled and collision with the terrain. A factor relating to the accident was: the loose engine cowling.Jul 31, 1996 · N86PS · DestroyedNTSB CHI96LA041Accident · No injuriesLimited investigationFinal reportMcclung SEA Hawk · Marengo, ILthe failure of the upper right wing due to the presence of unbonded areas between the spar cap and the bidirectional fiberglass. The unbonded areas were due to the inadequate manufacturing of the airplane by the owner/builder. A factor in the accident was the…Nov 24, 1995 · N391SP · DestroyedNTSB CHI95IA313Incident · No injuriesIncident investigationFinal reportAerospatiale ATR-72 · Chicago, ILimproper installation of the #7 and #8 fuel nozzle manifold transfer tubes by company maintenance personnel, and an inadequate exhaust drain fitting gasket, which resulted in fuel leaks at the respective 'O' ring/gasket fittings; blockage of the fuel/oil…Sep 6, 1995 · N414WF · Minor damageNTSB CHI95LA186Accident · No injuriesLimited investigationFinal reportBeech A35 · Jacksonville, ILimproper maintenance and inspection of the airplane's ruddervators.Jun 4, 1995 · N8640A · Substantial damageNTSB CHI95IA119Incident · No injuriesIncident investigationFinal reportBoeing 737-222 · Chicago, ILthe inadequacy or deterioration of lubricating grease in the wheel bearing, which led to the total bearing failure and subsequent loss of the wheel. Factors were the insufficiently defined procedures for repacking the bearing, along with an insufficient…Apr 7, 1995 · N9090U · Minor damageNTSB CHI95IA116Incident · No injuriesIncident investigationFinal reportde Havilland DHC-8-102 · Moline, ILthe defective weld and the subsequent in flight failure of the welded plug located in the piston of the roll spoiler actuator. The manufacturer's inadequate design is a related factor.Apr 3, 1995 · N828MA · No damageNTSB CHI95LA096Accident · No injuriesLimited investigationFinal reportCessna T210N · Rockford, ILA disconnect of the alternator belt, and failure of the pilot to attain a down and locked condition of the gear with the emergency extension system.Mar 7, 1995 · N6622N · Substantial damageNTSB CHI95LA003Accident · Minor injuriesLimited investigationFinal reportBell 47G2 · Decatur, ILthe failure of the roller springs in the freewheeling unit of the transmission which caused the unit to disengage.Oct 3, 1994 · N5193B · Substantial damageNTSB CHI94LA175Accident · Minor injuriesLimited investigationFinal reportHughes 269B · Toulon, ILthe improper reassembly of the main rotor blade dampers and the underservicing of the landing gear skid hydraulic struts which resulted in ground resonance of the helicopter when the first takeoff after reassembly was attempted.May 25, 1994 · N9375S · DestroyedNTSB CHI94FA140Accident · 1 fatalField investigationFinal reportVavra, Martin A. Rebel 300 · Wonderlake, ILFatigue and catastrophic failure of the main wing spar resulting from the designer's excessive, unverified estimate of the strength of the spar cap material and the manufacturer's failure to attain the specified strength during the production process.Apr 23, 1994 · N12MV · DestroyedNTSB CHI94LA054Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Lacon, ILThe pilot misjudged the landing flare. Factors related to the accident were: the dark night, the pilot's lack of recent night experience, and the failure of the airplane's electrical system.Dec 13, 1993 · N66CS · Substantial damageNTSB CHI93LA365Accident · No injuriesLimited investigationFinal reportGrumman AA5B · Aurora, ILthe fatigue failure and separation of a portion of propeller blade during cruise flight. Related factors are the damage to the flat face of the blade, and inadequate maintenance inspection of the propeller.Sep 18, 1993 · N55VL · Substantial damage