NTSB investigations, 1989, WI
180,610 investigations by the National Transportation Safety Board since 1962: 174,589 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\") = 1989
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") = 1989 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 CHI90FA056Accident · No injuriesField investigationFinal reportCessna 340 · Merrill, WIFailure of the pilot to maintain proper alignment with the runway during his landing roll and an inflight encounter with icing conditions.NTSB CHI90FA055Accident · 3 fatalField investigationFinal reportBeech A24R · Merrill, WIFlight into known adverse weather by the pilot, and structural/wing ice. Factors related to the accident were: the icing conditions and trees in the area of the accident.NTSB CHI90LA046Accident · Minor injuriesLimited investigationFinal reportCessna 150M · Lacrosse, WIThe student pilot's improper pre-flight planning/preparation, which did not include a plan to refuel the aircraft as necessary. The student pilot's lack of total experience contributed to this accident, as did the cfi's inadequate supervision of the student.NTSB CHI90LA041Accident · No injuriesLimited investigationFinal reportCessna 172N II · Middleton, WIThe pilot's improper use of flaps to provide lift on short final approach instead of applying power and the failure to maintain aircraft control.NTSB CHI90LA042Accident · No injuriesLimited investigationFinal reportBeech V35 · Cable, WIThe pilot's failure to adequately compensate for crosswind conditions. Contributing to the accident was the gusty, crosswind conditions which existed.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 CHI90LA035Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Barron, WIImproper use of the carburetor heat by the pilot and subsequent carburetor ice. Contributing factors were: carburetor icing conditions, slick (wet/snow covered) runway, and trees/brush near the departure end of the runway.NTSB CHI90LA033Accident · No injuriesLimited investigationFinal reportCessna 152 · Eau Claire, WIFailure of the student pilot to maintain directional control of the aircraft, which resulted in an inadvertent ground swerve. Factors related to the accident were: the crosswind, the student's lack of total experience, his diversion of too much attention to…NTSB CHI90FA028Accident · 3 fatalField investigationFinal reportBeech A36 · Shell Lake, WIThe pilot-in-command's failure to perform a missed approach, his descending below the minimum descent altitude, and his failure to maintain proper altitude to avoid impact with the terrain. Contributing to the accident was the pilot-in-command's lack of total…NTSB CHI90DEP01Accident · Serious injuriesFinal reportWychen Challenger II · Warrens, WIA broken cranskshaft which resulted in the loss of power. A factor related to the accident was: the lack of suitable terrain for a forced landing.NTSB CHI90LA015Accident · No injuriesLimited investigationFinal reportCessna 207 · Dodgeville, WIPilot's improper planning/decision and his delay in deciding to go around. Factors related to the accident were: the unfavorable wind conditions, the pilot's visual perception on the crowned runway, his misjudgement of speed and remaining distance on the…NTSB CHI90LA010Accident · No injuriesLimited investigationFinal reportCessna 172M · Cedarburg, WIDelay of the flight instructor (CFI) in making a go-around and his failure to attain sufficient airspeed to climb after taking off again. The transmission wire (power line) and high vegetation were contributing factors.NTSB CHI89LA194Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Mt. Horeb, WIThe pilot's failure to follow proper procedures for breaking-in new brakes and the excessive touchdown speed. Contributing factors were the worn brakes.NTSB CHI89LA176Accident · No injuriesLimited investigationFinal reportPiper PA-23-160 · Eau Claire, WIInadvertent retraction of the landing gear by the pilot. His habit interference and lack of experience in the type of aircraft were contributing factors.NTSB CHI89DEP11Accident · Minor injuriesFinal reportTierra II Panther 2 Plus · Tomah, WIThe pilot's premature liftoff, which resulted in a stall/mush and subsequently impact on the runway.NTSB CHI89FA174Accident · Serious injuriesField investigationFinal reportCessna 172P · Superior, WIThe failure of the pilot to maintain directional control.NTSB CHI89FA165Accident · Serious injuriesField investigationFinal reportBell 47G-2A-1 · Wisconsin Dells, WIAttempt by the pilot to exceed the hover performance capabilities of the helicopter, and operating outside the weight and balance limitations. The pilot's overconfidence in the helicopter's ability and his subsequent failure to adequately prepare and plan…NTSB CHI89LA159Accident · No injuriesLimited investigationFinal reportCessna 170A · Brookfield, WIThe pilot-in-command's failure to take proper corrective action after encountering a wind gust on landing.NTSB CHI89FA155Accident · 2 fatalField investigationFinal reportLancair 235 · Fond Du Lac, WIFailure of the pilot-in-command to assure that adequate airspeed was maintained during the turn to final approach, which resulted in an inadvertent stall/spin.NTSB CHI89DEP10Accident · 1 fatalFinal reportAir Tractor AT-301 · Plainfield, WIFailure of the pilot-in-command to maintain control of the aircraft while conducting aerial application maneuvers in close proximity to the terrain.NTSB CHI89FA154Accident · Minor injuriesField investigationFinal reportRyan PT-22 · Oshkosh, WIThe experimental aircraft association's (eaa's) inadequate procedure for providing control and separation of aircraft, its inadequate surveillance of the operation, and inadequate coordination by ground personnel. Related factors were: the ground personnel's…NTSB CHI89FA153Accident · No injuriesField investigationFinal reportCessna 182Q · Oshkosh, WIThe pilot of Cessna N95914 misjudging the distance necessary to avoid collisions with a the standing Piper N5937W.NTSB CHI89LA152Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Watertown, WIImproper planning/decision by the pilot and his misjudgement of distance and speed during the landing, which resulted in failure to attain a proper touchdown point. Contributing factors were: the weather conditions, the pilot's continued flight into…NTSB CHI89FA151Accident · Minor injuriesField investigationFinal reportCessna A152 · Oshkosh, WIThe pilot's poor judgement, and poor evaluation of the weather due to self induced pressure and overconfidence in his personal ability. Contributing factor was the experimental aircraft association's inadequate supervision of the operation.NTSB CHI89FA150Accident · No injuriesField investigationFinal reportProspector FK-1 · Chilton, WIThe pilot's poor in flight planning in that he diverted his attention and continued the flight beyond the original period planned. Before takeoff the pilot was aware of his fuel endurance.NTSB CHI89DEP08Accident · No injuriesFinal reportJames Eggleston Varieze · Cottage Grove, WIThe pilot misjudged altitude and distance to the runway and failed to attain the proper touchdown point for a landing. Factors related to the accident were: adverse weather conditions and uneven terrain short of the runway.NTSB CHI89DEP09Accident · No injuriesFinal reportCabrinha/Free Spirit 412 · Waukesha, WIThe plt became lost/disoriented and allowed fuel exhaustion to occur before accomplishing remedial action. Factors related to the accident were: the adverse environmental conditions and the road sign and vehicles in the emergency landing area.NTSB CHI89LA147Accident · 1 fatalLimited investigationFinal reportPiper PA-38-112 · River Falls, WIImproper remedial action by the pilot following an abrupt maneuver. The pilot's lack of total aviation experience was a factor in the accident.NTSB CHI89LA164Accident · No injuriesLimited investigationFinal reportPiper PA38-112 · Milwaukee, WIStudent pilot's misjudged aircraft handling during the landing flare/touchdown, and the cfi's inadequate supervision of the operation. These resulted in an abrupt touchdown, a subsequent loss of directional control, and the aircraft's collision with the VASI…NTSB CHI89LA141Accident · No injuriesLimited investigationFinal reportCessna R172K · Wisconsin Dells, WIFailure of the pilot to insure the oil filler cap was properly secured when he serviced the aircraft before takeoff, and subsequent loss of oil and oil exhaustion. The tree was considered to be a contributing factor.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 CHI89LA137Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Chippewa Falls, WIThe pilot's failure to maintain directional control while attempting to land in crosswind conditions. During the ensuing aborted landing, the pilot failed to ensure adequate obstacle clearance and the aircraft's left wing struck the wind sock pole.NTSB CHI89LA133Accident · Minor injuriesLimited investigationFinal reportCessna 150 · Iola, WIThe improper preflight planning by the pilot in command resulting in the airplane fuel quantity being near the unusable quantity which resulted in total loss of engine power due to fuel starvation while maneuvering. Contributing to the accident was the pilots…NTSB CHI89DEP06Accident · Minor injuriesFinal reportAeronca 15AC · Fort Atkinson, WIWater contamination of the fuel and the pilot's inadequate preflight. Factors related to the accident were: lack of suitable terrain for a forced landing & trees.NTSB CHI89LA125Accident · No injuriesLimited investigationFinal reportAerofab Lake LA 4-200 · Oshkosh, WIThe pilot's encounter with unsuitable terrain (rough water) and his inability to maintain directional control.NTSB CHI89DEP12Accident · Serious injuriesFinal reportSchuning/Teratorn Terra II · New Berlin, WIFailure of the pilot to maintain adequate airspeed during the go-around, which resulted in an inadvertent stall.NTSB CHI89FA113Accident · 1 fatalField investigationFinal reportCessna 150L · Wisc Rapids, WIThe pilot's failure to assure that the flaps were in the up position during takeoff. A factor related to the accident was the pilot's lack of familiarity with aircraft.NTSB CHI89LA099Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Crandon, WIImproper inflight planning/decision by the pilot which resulted in loss of control & subsequent wingtip collision with the ground during the landing. The crosswind and turbulence were contributing factors.NTSB CHI89LA097Accident · Serious injuriesLimited investigationFinal reportPiper PA-22-108 · Necedah, WIPilot-in-command's improper use of the fuel selector.NTSB CHI89DEP05Accident · Minor injuriesFinal reportPiper PA-25-235 · Suring, WIImproper planning/decision by the pilot, which resulted in fuel exhaustion and loss of engine power due to an inadequate supply of fuel. Factors related to th accident were: the lack of suitable terrain and trees in the emergency landing area.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 CHI89LA091Accident · No injuriesLimited investigationFinal reportPiper PA-28RT-201 · Ojibwa, WIImproper planning/decision by the pilot and his delay in aborting the takeoff. Contributing factors were: the wet/upward sloping condition of the airstrip, unfavorable wind, high obstructions (tall trees/obstacles at the end of the runway), and high…NTSB CHI89LA087Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Waunakee, WISlippage of a bearing, which resulted in blockage of the lubrication system, and subsequent failure of a connecting rod.NTSB CHI89DEP03Accident · No injuriesFinal reportTesmer Glassair SH-2 · Watertown, WILack fuel flow to the engine (fuel starvation) due to an undetermined fuel system problem.NTSB CHI89LA075Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Watertown, WIThe pilot's improper use of brakes and throttle. A contributing factor was the parked aircraft which was nearby.NTSB CHI89TL#02Accident · No injuriesClass 3Final reportBellanca Bgcbc · Shell Lake, WINTSB CHI89FA071Accident · Serious injuriesField investigationFinal reportSikorsky S-58T · Milwaukee, WIDisconnect of the tailrotor drive shaft coupling.NTSB CHI89LA066Accident · No injuriesLimited investigationFinal reportCessna 170B · Freedom, WIThe pilot's failure to maintain directional control during the attempted takeoff on unsuitable terrain. The pilot's lack of recent flight experience was a contributing factor.NTSB CHI89DEP02Accident · No injuriesFinal reportCessna 172M · West Bend, WIPartial failure of the throttle cable. Unsuitable (soft) terrain and transmission wires in the landing area were considered to be factors.NTSB CHI89LA055Accident · No injuriesLimited investigationFinal reportCessna 172N · Superior, WIFailure of the pilot to maintain directional control during the landing, which resulted in an inadvertent ground swerve. Factors related to the accident were the icy and snow covered runway conditions and the snowbank.