NTSB investigations, WI
77 cases where the first occurrence was “Airframe/component/system failure/malfunction”.
Cases per year
| 1982 | 4 |
|---|---|
| 1983 | 6 |
| 1984 | 3 |
| 1985 | 2 |
| 1986 | 4 |
| 1987 | 5 |
| 1988 | 5 |
| 1989 | 5 |
| 1990 | 3 |
| 1991 | 6 |
| 1992 | 4 |
| 1993 | 1 |
| 1995 | 2 |
| 1996 | 3 |
| 1997 | 3 |
| 1998 | 3 |
| 1999 | 2 |
| 2000 | 3 |
| 2001 | 3 |
| 2002 | 3 |
| 2003 | 2 |
| 2005 | 3 |
| 2007 | 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.\"eventStateOrRegion\" = 'WI' 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.
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" = 'WI' 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
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 CHI07LA204Accident · Minor injuriesLimited investigationFinal reportCessna 182K · Edgerton, WIThe reported non-mechanical loss of engine power for undetermined reasons during cruise and the excessive airspeed the pilot maintained during the approach for the forced landing. Factors were the loss of electrical power during cruise and the high vegetation…NTSB CHI07MA160Accident · 6 fatalClass 1 · MajorFinal reportCessna 550 · Milwaukee, WIThe National Transportation Safety Board determines that the probable cause of this accident was the pilots’ mismanagement of an abnormal flight control situation through improper actions, including failing to control airspeed and to prioritize control of the…NTSB CHI05CA240Accident · No injuriesData collectionFinal reportPiper PA-12 · Boscobel, WIThe separation of the right main landing gear attachment bracket bolt during the landing and the pilot's aircraft control not possible with the collapsed gear.NTSB CHI05FA077Accident · No injuriesField investigationFinal reportBombardier CL-600-2B19 · Milwaukee, WIthe captain's failure to adequately compensate for the crosswind conditions, and his failure to maintain directional control during landing. Contributing factors include the captain's failure to land at the nearest suitable airport after an in-flight…NTSB CHI05LA067Accident · No injuriesLimited investigationFinal reportCessna 152 · Sturtevant, WIThe pilot's failure to identify the electrical system failure and to maintain adequate airspeed during the landing approach. Factors associated with the accident were the electrical system failure, the snow covered terrain, and the pilot's lack of experience.NTSB CHI03LA222Accident · No injuriesLimited investigationFinal reportCessna 195 · Racine, WIThe failure of the left main landing gear axle resulting in the brake being locked and subsequent loss of directional control.NTSB CHI03IA153Incident · No injuriesIncident investigationFinal reportBeech 1900D · Milwaukee, WIFailure of the aileron sprocket assembly at the sprocket-to-shaft braze joint. Contributing factors were the improper braze procedure used by the part manufacturer at the time of fabrication which resulted in an inferior quality joint and the inadequate…NTSB CHI02LA255Accident · No injuriesLimited investigationFinal reportCessna 172P · Buffalo City, WIThe malfunction of the seat positioning system for undetermined reasons, which resulted in the loss of directional control. A factor to the accident was the descending embankment.NTSB CHI02IA116Incident · No injuriesIncident investigationFinal reportBeech 200 · Hillsdale, WIThe fatigue failure of the passenger/crew door latch pin during cruise flight.NTSB CHI02IA083Incident · No injuriesIncident investigationFinal reportCanadair CL-600-2B19 · Appleton, WIThe separation of the low pressure turbine module due to coke resulting in the blockage of the oil system.NTSB CHI02LA013Accident · Serious injuriesLimited investigationFinal reportMeester HP-14 · Sturtevant, WIThe restricted movement of the aileron control system for undetermined reasons.NTSB CHI01FA180Accident · 2 fatalField investigationFinal reportPotez-Air Fouga CM 170 · La Crosse, WIThe fatigue failure of the aircraft's left wing tip fuel tank rear attachment, while the aircraft was being maneuvered in a low approach, leading to the tank's in-flight separation and subsequent in-flight break up of the airplane and the aircraft's control…NTSB CHI01IA124Incident · No injuriesIncident investigationFinal reportBoeing 717-231 · Milwaukee, WIThe failure of the operator to provide complete and comprehensive thrust reverser lock-out maintenance procedures and guidance to the contract maintenance personnel resulting in a partial and inadequate securing of the faulty thrust reverser and a subsequent…NTSB CHI00LA277Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Spring Brook, WIA fatigue failure of the tail rotor drive gear shaft.NTSB CHI00LA189Accident · No injuriesLimited investigationFinal reportStaudacher S-300D2 · Kenosha, WIThe fatigue failure of the rod end bearing and the separation of the aileron. A factor was the inadequate design change by the aircraft designer.NTSB CHI00IA087Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC9-32 · Milwaukee, WIthe chafing of the internal water heater wire. A factor was the missing ground strap.NTSB CHI00FA050Accident · No injuriesField investigationFinal reportIsrael Aircraft Industries 1124A · Milwaukee, WIThe failure of the first stage pressure reducer in the oxygen regulator assembly.NTSB CHI99LA099Accident · No injuriesLimited investigationFinal reportCalkins Kitfox 5 · Waunakee, WIthe fracture of the trim actuator.NTSB CHI99LA016Accident · Minor injuriesLimited investigationFinal reportCessna 310I · Janesville, WIThe pilot's inadequate preflight inspection in which he failed to remove the tow bar from the nose gear. Also causal was his misjudgment of distance and altitude from the runway which resulted in both his premature shutdown of the engines and an undershoot of…NTSB CHI98LA213Accident · No injuriesLimited investigationFinal reportCessna 310N · Janesville, WIother maintenance personnel not installing nose landing gear door linkage. Factors were the unsecured landing gear door, the nose landing gear becoming jammed and the gear extension not possible by the pilot.NTSB CHI98IA136Incident · No injuriesIncident investigationFinal reportRobinson R22 Beta · Franklin, WIThe mechanic's failure to follow the manufacturer's maintenance rebuilding instructions.NTSB CHI98LA032Accident · No injuriesLimited investigationFinal reportCessna 421A · Tomahawk, WIthe elevator trim tab bolt backed out, allowing the trim tab to flutter, and destroy the elevator. The factors involved were improper annual inspection by the maintenance personnel, and the inadequate aircraft preflight done by the pilot.NTSB CHI97FA248Accident · 1 fatalField investigationFinal reportValley Adventurers Adventurer 333 · Fond Du Lac, WIThe kit manufacturer's use of inadequate material in construction of the airplane, his inadequate application of quality controls resulting in the debonding of the horizontal stabilizer. Factors were the total loss of the horizontal stabilizer, the elevator,…NTSB CHI97LA239Accident · 1 fatalLimited investigationFinal reportBriegleb BG-12A · Superior, WIthe separation of the wing from the glider for undetermined reasons.NTSB CHI96IA320Incident · No injuriesIncident investigationFinal reportCessna 525 · Milwaukee, WIan uncontained failure of a high pressure turbine disk blade retention post due to fatigue. A factor relating to the incident was: inadequate design of the high pressure turbine disk. Fretting on the leading side of the lobe near the fracture origin may have…NTSB CHI96LA252Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · East Troy, WIcorrosion and fracture of the rudder control horn.NTSB CHI96LA127Accident · No injuriesLimited investigationFinal reportSocata TBM-700 · Eau Claire, WIfatigue fracture and subsequent failure of the gear door hinge bracket.NTSB CHI95LA288Accident · Serious injuriesLimited investigationFinal reportde Havilland DHC-1 · Hammond, WIan overload failure of the right horizontal support tube assembly which the pilot/owner had modified to be adjustable. A factor in the accident was the corn.NTSB CHI95IA079Incident · No injuriesIncident investigationFinal reportBritish Aerospace BAE-146-300 · Madison, WIA fuel leak in the no. 2 engine left fuel manifold segment due to a design defect which led to a fatigue crack.NTSB CHI94FA001Accident · 1 fatalField investigationFinal reportBeech G35 · Webster, WIIn-flight breakup of the airplane for an undetermined reason.NTSB CHI92FA223Accident · 2 fatalField investigationFinal reportEdra/Mcdermitt Seabird/Petrel · Oshkosh, WIInadequate quality control during the manufacturing process resulting in the in-flight structural failure of the tailboom.NTSB CHI92LA213Accident · No injuriesLimited investigationFinal reportBeech H35 · Baraboo, WIInadequate maintenance service and aircraft preflight by the pilot. A factor contributing to this accident was a partial failure of the brake system.NTSB CHI92LA137Accident · Serious injuriesLimited investigationFinal reportBell 47-G2A · Dousman, WIThe in-flight loss of the swash plate drive link bolt which allowed the swash plate drive assembly to disconnect.NTSB CHI92FA066Accident · 1 fatalField investigationFinal reportPiper PA-31P · Mosinee, WIAn inflight fire with the cabin heater as the origin, and unsuitable terrain in which to make a forced landing. A factor related to the accident was the soft terrain.NTSB CHI92DEP01Accident · No injuriesFinal reportLassiter Swearingen SX300 · Eagle River, WIThe partial loss of engine power, for reasons undetermined which resulted in an aborted takeoff and eventual overrun and landing gear collapse.NTSB CHI91IA223Incident · No injuriesIncident investigationFinal reportBeech B200 · Greenbay, WIInadequate airframe design, which resulted in the in-flight separation of the left engine's outboard aft upper cowl door.NTSB CHI91LA217Accident · No injuriesLimited investigationFinal reportPiper PA22/20 · Stevens Point, WIThe improper installation of the flight control system rudder control rod (rudder cable bellcrank torque tube) by maintenance personnel. A factor contributing to this accident was the inoperative tailwheel steering.NTSB CHI91LA215Accident · No injuriesLimited investigationFinal reportCessna 182A · Menomonee Falls, WIThe fatigue induced propeller blade failure. A related factor was the operator's delayed propeller overhaul.NTSB CHI91DEP09Accident · 1 fatalFinal reportBowers Flybaby 1A · Stoughton, WIThe inadequate design by the manufacturer to provide for adequate protection from moisture accumulation in the form of drain holes. Contributing factors were the deterioration (wood rot) of the wing spar attach and the lack of inspection access.NTSB CHI91DEP08Accident · 1 fatalFinal reportJack Thomas Pitts S-IT · Kenosha, WIImproper maintenance, by person or persons unknown, to the elevator control system which allowed a bolt attaching the elevator control rod to the pitch bellcrank to become disconnected during flight.NTSB CHI91LA017Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Portage, WIThe PIC became lost and disorientated and performed a premature precautionary landing.NTSB CHI90FA117Accident · 2 fatalField investigationFinal reportBellanca 8KCAB · West Bend, WIInflight failure of the right wing strut-to-spar attachment fitting due to fatigue initiated by improper welding techniques involving inadequate post-weld cooling control.NTSB CHI90LA074Accident · No injuriesLimited investigationFinal reportMBB BK-117A-1 · Janesville, WIThe pilot-in-command failed to ensure that the engine cowling latches were properly secured prior to departing on the maintenance test flight; the cowling came loose during flight, and contacted the main rotor blades before it separated from the helicopter.NTSB CHI90DEP02Accident · Serious injuriesFinal reportRotec Panther 2+ · Holmen, WIInadvertent partial deployment of the emergency ballistic recovery parachute resulting in a loss of engine thrust and aerodynamic control of the aircraft.NTSB CHI89DEP07Accident · Minor injuriesFinal reportHiller UH-12E · Blackriverfalls, WIPilot-in-command's failure to jettison the external load followed by his misjudgement of distance to avoid collision with the external load.NTSB CHI89DEP04Accident · No injuriesFinal reportHiller UH-12E · Waterford, WIThe pilot's inability to maintain control during an autorotational landing attempt following the failure of the main rotor drive train torsional coupling.NTSB CHI89FA071Accident · Serious injuriesField investigationFinal reportSikorsky S-58T · Milwaukee, WIDisconnect of the tailrotor drive shaft coupling.NTSB CHI89DEP01Accident · 1 fatalFinal reportCessna T337G · Green Bay, WIThe pilot's loss of aircraft control, due to the loss of cockpit/instrument panel lighting for an undetermined reason, the inoperative penlight, and subsequent spatial disorientation of the pilot. Factors related to the accident were: darkness and the adverse…NTSB CHI89IA023Incident · No injuriesIncident investigationFinal reportBritish Aerospace JS-3101 · Milwaukee, WILoss of lubrication to the outer wheel bearing, and the subsequent disintegration of the bearing. Contributing to the incident was the failure by maintenance personnel to properly inspect and grease the bearing.NTSB CHI88FA248Accident · 2 fatalField investigationFinal reportCessna 210L · Monroe, WI