NTSB investigations, 1998, WI
180,604 investigations by the National Transportation Safety Board since 1962: 174,583 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.
Cases per year
| 1964 | 70 |
|---|---|
| 1965 | 75 |
| 1966 | 88 |
| 1967 | 99 |
| 1968 | 81 |
| 1969 | 93 |
| 1970 | 87 |
| 1971 | 65 |
| 1972 | 74 |
| 1973 | 77 |
| 1974 | 81 |
| 1975 | 69 |
| 1976 | 55 |
| 1977 | 75 |
| 1978 | 90 |
| 1979 | 89 |
| 1980 | 62 |
| 1981 | 69 |
| 1982 | 54 |
| 1983 | 60 |
| 1984 | 64 |
| 1985 | 59 |
| 1986 | 55 |
| 1987 | 48 |
| 1988 | 47 |
| 1989 | 56 |
| 1990 | 47 |
| 1991 | 46 |
| 1992 | 39 |
| 1993 | 55 |
| 1994 | 41 |
| 1995 | 41 |
| 1996 | 35 |
| 1997 | 33 |
| 1998 | 44 |
| 1999 | 44 |
| 2000 | 34 |
| 2001 | 46 |
| 2002 | 37 |
| 2003 | 32 |
| 2004 | 37 |
| 2005 | 38 |
| 2006 | 21 |
| 2007 | 32 |
| 2008 | 40 |
| 2009 | 23 |
| 2010 | 26 |
| 2011 | 31 |
| 2012 | 35 |
| 2013 | 18 |
| 2014 | 22 |
| 2015 | 30 |
| 2016 | 28 |
| 2017 | 25 |
| 2018 | 26 |
| 2019 | 19 |
| 2020 | 14 |
| 2021 | 25 |
| 2022 | 23 |
| 2023 | 25 |
| 2024 | 24 |
| 2025 | 24 |
| 2026 | 20 |
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 year(c.\"eventDate\") = 1998
AND c.\"eventStateOrRegion\" = 'WI' AND c.\"eventCountry\" = 'USA'
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 year(c."eventDate") = 1998 AND c."eventStateOrRegion" = 'WI' AND c."eventCountry" = 'USA' 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 CHI99LA068Accident · No injuriesLimited investigationFinal reportCessna P210N · Eau Clare, WIthe delayed gear extension by the pilot. Contributing factors were the checklist not used by the pilot, the inoperative gear warning, and the maintenance replacement of the throttle control/gear warning interconnect cable not performed by company/operator…NTSB CHI99LA060Accident · No injuriesLimited investigationFinal reportCessna 152 · Appleton, WIThe pilot's failure to maintain directional control. A related factor was the crosswind.NTSB CHI99LA049Accident · No injuriesLimited investigationFinal reportCessna 150 · East Troy, WIthe student pilot's failure to maintain directional control of the airplane. Factors associated with the accident were the crosswind, and the ditch.NTSB CHI99LA048Accident · No injuriesLimited investigationFinal reportBellanca 8GCBC · Burlington, WICarburetor ice, the pilot's inadequate pre-flight planning/preparation resulting in his flight into poor weather conditions, and the pilot's improper use of carburetor heat. Factors contributing to this accident were the carburetor icing conditions, the…NTSB CHI99FA042Accident · 2 fatalField investigationFinal reportCessna 172F · Coleman, WIpilot's failure to maintain clearance from the trees and his intentional flight into IMC conditions. Factors contributing to this accident were the pilot's lack of instrument certification, his becoming lost in the poor weather, his inadequate preparation for…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 CHI99LA011Accident · No injuriesLimited investigationFinal reportCessna 182Q · Pound, WIthe pilot misjudged the proper touchdown point and subsequently landed short of the runway. Factors associated with the accident were the haze, sunglare, the lack of visual perception, and the uphill terrain on which the airplane touched down.NTSB CHI99LA005Accident · Serious injuriesLimited investigationFinal reportPiper J3C-65 · New Holstein, WIthe pilot-in-command's intentional low altitude maneuver and his ostentatious display. A factor was his allowing the airplane to enter an inadvertent stall.NTSB CHI99LA007Accident · 1 fatalLimited investigationFinal reportBellanca 8KCAB · Superior, WIthe pilot not maintaining clearance with the terrain, and his improper decision to enter maneuvers too close to the terrain. Factors contributing to this accident were the aerobatic maneuvers, the trees and the berm.NTSB CHI99LA002Accident · No injuriesLimited investigationFinal reportCessna C-336 · Sheboygan, WIThe pilot's improper flare and improper recovery from a bounced landing.NTSB CHI98LA367Accident · Minor injuriesLimited investigationFinal reportPiper PA-34-220T · Schofield, WIThe inadvertent deactivation of the fuel selector and the emergency procedure not followed by the pilot-in-command. The tree was a contributing factor.NTSB CHI98LA360Accident · Minor injuriesLimited investigationFinal reportCessna P210N · Amery, WIA loss of engine power due to fatigue failure of the crankshaft from frictional heating for undetermined reasons. A related factor was the unsuitable terrain.NTSB CHI98LA357Accident · No injuriesLimited investigationFinal reportCessna 182K · Baldwin, WIThe pilot's inadequate preflight planning and preparation, and his failure to stop on the wet, grassy runway. A related factor was the wet grass.NTSB CHI98LA350Accident · No injuriesLimited investigationFinal reportPiper PA-22-108 · Janesville, WIthe pilot's failure to land the airplane at a proper touchdown point on the runway. A factor was the excessive rate of descent which developed on final approach.NTSB CHI98LA339Accident · No injuriesLimited investigationFinal reportEnstrom 480 · Green Bay, WIthe pilot's failure to maintain adequate rotor rpm during a practice autorotation.NTSB CHI98FA349Accident · 3 fatalField investigationFinal reportBeech 58 · Oakdale, WIThe installation of the door seal inflation system by company personnel. An additional cause was the emergency procedures not followed by the pilot-in-command. A contributing factor was the trees.NTSB CHI98FA356Accident · 2 fatalField investigationFinal reportCessna 310R · Seymour Twp., WIthe pilots of both airplanes not maintaining visual separation from the other airplane.NTSB CHI98FA343Accident · 2 fatalField investigationFinal reportPiper PA-22-150 · Beaver Dam, WIThe continued flight into adverse weather conditions and aircraft control not maintained by the pilot-in-command. Contributing factors were the improper preflight planning/preparation and lack of certification by the pilot-in-command in addition to the…NTSB CHI98LA314Accident · No injuriesLimited investigationFinal reportValentin Taifun 17E · Lake Geneva, WIthe pilot's failure to maintain directional control and obtain proper climb rate during initial climb after takeoff. A factor was trees.NTSB CHI98LA320Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Lac Du Flambeau, WIthe pilot's failure to maintain adequate airspeed and the subsequent inadvertant stall.NTSB CHI98FA344Accident · 2 fatalField investigationFinal reportCessna A185F · Phillips, WIThe pilot's failure to maintain adequate altitude/clearance with trees. Contributing factors were fog, rain showers, and the trees.NTSB CHI98FA288Accident · 1 fatalField investigationFinal reportHispano Aviacion A10B-37 · Oshkosh, WIthe pilot's failure to maintain adequate altitude which resulted in in-flight collision with trees and subsequent compressor stall for undetermined reasons.NTSB CHI98LA297Accident · No injuriesLimited investigationFinal reportCessna 180 · Oshkosh, WIthe pilot of the other airplane did not maintain proper clearance.NTSB CHI98FA287Accident · 1 fatalField investigationFinal reportNavion A · Coloma, WIFailure of the pilot to maintain proper altitude, and his failure to maintain adequate visual lookout to see and avoid obstructions. The transmission wire was a contributing factor.NTSB CHI98FA286Accident · Minor injuriesField investigationFinal reportMonocoupe 70 · New Holstein, WIThe pilot's failure to use carburetor heat in weather conditions conducive to carburetor icing.NTSB CHI98LA283Accident · No injuriesLimited investigationFinal reportAero Commander 685 · Middleton, WIThe fuel starvation of the aircraft in addition to the improper aircraft preflight and premature gear extension by the pilot-in-command. The blocked fuel vent system is a contributing factor.NTSB CHI98LA276Accident · Minor injuriesLimited investigationFinal reportBeech F33A · Delavan, WIthe pilot's failure to maintain aircraft control during the takeoff roll. Factors contributing to this accident were the pilot's inadequate preflight, his operation of an airplane with a known deficiency, low air pressure on both main tires, the snow fence,…NTSB CHI98LA270Accident · Serious injuriesLimited investigationFinal reportCessna 175 · Sheboygan, WIThe pilot's inadequate fuel management which led to fuel exhaustion.NTSB CHI98LA261Accident · No injuriesLimited investigationFinal reportCessna 182A · Springbrook, WIThe pilot's improper attitude and excessive sink rate during landing. The terrain condition was a contributing factor in the accident.NTSB CHI98LA256Accident · No injuriesLimited investigationFinal reportCessna 177 · Cassville, WIan undetermined event which resulted in engine failure on landing roll out during attempted restart fuel ignited and an undetermined event in the airplane's fuel system which resulted in a fire.NTSB CHI98LA228Accident · No injuriesLimited investigationFinal reportCessna 172N · Stone Lake, WIthe lack of effective braking due to hydroplaning. Contributing factors to the accident were the trees off the end of the runway that made a go-around not possible and the ditch off the end of the runway.NTSB CHI98LA227Accident · Minor injuriesLimited investigationFinal reportCommonwealth 185 · Oregon, WIthe improper adjustment of the carburetor by an unqualified person. Factors to the accident were the annual inspection not being complied with and the lack of recent experience of the pilot.NTSB CHI98LA226Accident · Minor injuriesLimited investigationFinal reportCessna 150H · Osceola, WIthe student pilot's incomplete preflight, and the instructor pilot's inadequate supervision of the student's preflight. Factors were the fuel contaminated with water, and the roadway encountered during the forced landing rollout.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 CHI98LA207Accident · No injuriesLimited investigationFinal reportLake LA4-200 · Peshtigo, WIthe pilot misjudged the flare and inadvertently dragged the right sponson in the water. A factor was the pilot's lack of experience in the make and model aircraft.NTSB CHI98LA176Accident · Minor injuriesLimited investigationFinal reportWaters Vortex · Monroe, WIthe pilot's failure to maintain rotor RPM. A factor associated with the accident was the soft terrain on which the gyrocopter touched down.NTSB CHI98LA171Accident · No injuriesLimited investigationFinal reportStemme S10V · Plymouth, WIthe improper in-flight decision of the pilot in command to initiate a turn at a close proximity to the ground. Factors to the accident were the starting procedures not being followed and the inadequate altitude to initiate the engine restart.NTSB CHI98FA153Accident · 4 fatalField investigationFinal reportCommander 114-B · Lagrange, WIthe pilot not maintaining aircraft control during cruise flight and exceeding the airplane's design stress limits. Factors in this accident was the pilot's lack of total experience in the airplane and the clouds.NTSB CHI98IA136Incident · No injuriesIncident investigationFinal reportRobinson R22 Beta · Franklin, WIThe mechanic's failure to follow the manufacturer's maintenance rebuilding instructions.NTSB CHI98LA134Accident · No injuriesLimited investigationFinal reportCessna 172 · Eagle River, WIthe pilot failed to compensate for the wind conditions, improperly executed a go-around when he raised the flaps, and failed to maintain obstacle clearance with the trees.NTSB CHI98FA123Accident · 1 fatalField investigationFinal reportCessna 180J · Ashland, WIthe pilot failing to maintain separation from the trees. Factors contributing to this accident were the trees and the pilot being too low in altitude.NTSB CHI98LA105Accident · Minor injuriesLimited investigationFinal reportAero Commander 680FLP · Fond Du Lac, WIthe pilot's misjudged weather evaluation . Factors were turbulence, the pilot's inability to attain a proper climb rate, unsuitable terrain encountered in the landing area, and crops.NTSB CHI98LA088Accident · No injuriesLimited investigationFinal reportCessna 310Q · Kenosha, WIthe pilot's failure to lower the landing gear and to properly align the airplane with the runway. Factors associated with the accident were: the inoperative gear warning, degraded aircraft performance, the pilot's diverted attention, the pilot's decision to…NTSB CHI98LA083Accident · Minor injuriesLimited investigationFinal reportNerstrom-Tailwind W-8 · Lodi, WIthe pilot's failure to maintain a proper altitude due to the whiteout conditions. Factors associated with the accident were the low pass performed by the pilot and the visual illusion created by the whiteout conditions.