NTSB investigations, WI
203 cases where the sequence of events included Collision with terr/obj (non-CFIT).
Cases per year
| 2008 | 22 |
|---|---|
| 2009 | 12 |
| 2010 | 12 |
| 2011 | 19 |
| 2012 | 16 |
| 2013 | 10 |
| 2014 | 17 |
| 2015 | 20 |
| 2016 | 18 |
| 2017 | 13 |
| 2018 | 16 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) 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 CEN26LA193Accident · No injuriesClass 4 · LimitedFinal reportCessna 140 · Rice Lake, WIThe pilot’s failure to maintain directional control during landing.NTSB CEN25LA404Accident · No injuriesClass 4 · LimitedFinal reportCirrus SR20 · Watertown, WIThe flight instructor’s failure to maintain control of the airplane following the student pilot’s bounced landing. Contributing to the accident was the flight instructor’s delayed remedial action which resulted in diminished airplane performance during the…NTSB CEN25LA249Accident · No injuriesClass 4 · LimitedFinal reportPiper J3C-65 · Howard, WIThe pilot’s failure to maintain control of the airplane while on approach to land.NTSB CEN25LA149Accident · Serious injuriesClass 3 · LimitedFinal reportPphu Ekolot KR-030 Topaz · Platteville, WIThe pilot’s failure to maintain clearance from terrain for reasons which could not be determined.NTSB CEN25LA053Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28R-200 · Boscobel, WIThe ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by…NTSB CEN25LA035Accident · Minor injuriesClass 3 · LimitedFinal reportDe Havilland DHC-1 · East Troy, WIThe pilot’s inadequate fuel management, which resulted in fuel starvation and a total loss of engine power. Contributing to the accident was the inaccurate fuel gauge.NTSB CEN24LA322Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-32-260 · Chetek, WIThe pilot’s improper landing flare and hard landing.NTSB CEN24LA299Accident · No injuriesClass 4 · LimitedFinal reportCessna 177A · Palmyra, WIThe student pilot’s failure to maintain directional control during the landing with gusty wind conditions.NTSB CEN24LA245Accident · Minor injuriesClass 3 · LimitedFinal reportRaytheon A36 · Land O' Lakes, WIA partial loss of engine power for undetermined reasons.NTSB CEN23LA393Accident · No injuriesClass 4 · LimitedFinal reportCessna R172K · Plover, WIThe pilot’s inadequate fuel management which resulted in a total loss of engine power due to fuel starvation.NTSB CEN23FA320Accident · Minor injuriesClass 3 · FieldFinal reportHeath V-Strut · Oshkosh, WIThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.NTSB CEN23LA272Accident · Serious injuriesClass 4 · LimitedFinal reportSix Chuter SR7 XL · Chetek, WIThe pilot’s failure to maintain aircraft control during initial climb which resulted in an impact with a pole, trees, and terrain.NTSB CEN23FA239Accident · 2 fatalClass 3 · FieldFinal reportMooney M20R · Watertown, WIThe pilot’s loss of control due to spatial disorientation while operating in instrument meteorological conditions. Contributing to the accident was the pilot’s impairment from the prohibited substance; however, the extent of impairment could not be determined.NTSB CEN23LA236Accident · No injuriesClass 4 · LimitedFinal reportCessna 180G · Stevens Point, WIThe pilot’s failure to maintain directional control during landing that resulted in a ground loop and impact with the runway.NTSB CEN23LA133Accident · No injuriesClass 4 · LimitedFinal reportBeech F33A · Hilbert, WIThe pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB CEN22LA112Accident · No injuriesClass 4 · LimitedFinal reportVans RV4 · Hortonville, WIThe loss of direction control while maneuvering off the plowed surface to avoid a collision with a vehicle.NTSB CEN22FA019Accident · 2 fatalClass 3 · FieldFinal reportAmerican Champion 8KCAB · Marengo, WIThe pilot’s failure to maintain adequate airspeed during the steep turn, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall. Also causal was the pilot’s decision to conduct steep turns without sufficient altitude to…NTSB CEN22FA013Accident · 2 fatalClass 3 · FieldFinal reportNew Glasair Glastar · Waukesha, WIThe noninstrument-rated pilot’s decision to depart and continue flight into instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation.NTSB CEN21LA222Accident · Minor injuriesClass 3 · LimitedFinal reportFlight Design Ctls · Racine, WIThe fatigue failure of the carburetor throttle control cable, which resulted in a partial loss of engine control.NTSB CEN21LA021Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Washington, WIThe pilot’s failure to maintain lateral control during a hover and improper recovery action after the helicopter contacted the ground, which resulted in a dynamic rollover sequence and an impact with terrain.NTSB CEN20LA329Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA22 · Burlington, WIA partial loss of engine power due to the formation of carburetor ice while on the ground, which resulted in reduced climb capability and impact with trees during the initial climb.NTSB CEN20CA300Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Dickeyville, WIThe pilot did not maintain clearance from wires during an aerial application flight.NTSB WPR20CA208Accident · No injuriesClass 4 · Data collectionFinal reportMooney M20E · Neenah, WIThe pilot's improper landing flare, which resulted in a bounced, hard landing and subsequent runway overrun.NTSB CEN20LA179Accident · 1 fatalClass 3 · LimitedFinal reportCessna P210 · Burlington, WIThe pilot did not maintain a safe altitude during the visual approach, and subsequently lost control which resulted an impact with trees and terrain.NTSB CEN19CA237Accident · No injuriesData collectionFinal reportNorth American AT 6F · Oshkosh, WIThe pilot's loss of directional control during landing with a quartering tailwind, which resulted in a runway excursion and subsequent substantial damage.NTSB GAA19CA245Accident · No injuriesData collectionFinal reportErcoupe 415 C · Rosendale, WIThe pilot's selection of unsuitable terrain for an off-airport precautionary landing, which resulted in impact with a fence and a nose-over.NTSB GAA19CA157Accident · No injuriesData collectionFinal reportPiper PA22 · Superior, WIThe pilot's failure to maintain directional control during landing on a snow- and ice-covered runway, which resulted in impact with a snowbank and a nose-over.NTSB GAA19CA143Accident · No injuriesData collectionFinal reportCessna 421 · Woodruff, WIThe pilot's failure to maintain to directional control during takeoff from a snow-covered runway with a right, quartering tailwind, which resulted in a runway excursion and impact with a snowbank.NTSB GAA19CA096Accident · No injuriesData collectionFinal reportBeech 36 · Hartford, WIThe pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall and impact with terrain during landing in icing conditions.NTSB GAA19CA074Accident · No injuriesData collectionFinal reportCirrus SR22 · Sand Creek, WIThe mechanic's failure to properly secure the air reference line, which resulted in a loss of engine power.NTSB CEN19FA018Accident · 1 fatalField investigationFinal reportEurocopter AS350 · Odanah, WIThe pilot's loss of helicopter control for undetermined reasons.NTSB GAA18CA546Accident · No injuriesData collectionFinal reportPiper PA28 · De Pere, WIThe pilot's improper decision not to abort the takeoff after the airplane encountered standing water on the runway, which decreased its speed and led to its subsequent inability to climb and resulted in a runway overrun.NTSB GAA18CA490Accident · Serious injuriesData collectionFinal reportCessna 172 · DePere, WIThe pilot’s failure to maintain lateral control and his subsequent failure to maintain the runway heading during an attempted go-around, which resulted in impact with trees.NTSB CEN18TA296Accident · No injuriesFinal reportFisher Dakato Hawk · Oshkosh, WIThe failure of the left main landing gear for reasons that could not be determined, which resulted in a loss of directional control during the ground roll.NTSB CEN18CA293Accident · Minor injuriesData collectionFinal reportJust JA30 Superstol · Oshkosh, WIThe pilot's failure to maintain adequate airspeed during the initial climb and his exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.NTSB CEN18CA291Accident · No injuriesData collectionFinal reportQuad City Challenger · Oshkosh, WIThe pilot’s failure to maintain adequate airspeed during the base to final turn and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.NTSB WPR18FA200Accident · 1 fatalField investigationFinal reportDe Havilland DH112 Venom · Sheboygan, WIThe airplane's encounter with wake turbulence from the lead airplane in the formation flight, which resulted in a compressor stall and the airplane's subsequent inability to climb.NTSB GAA18CA432Accident · No injuriesData collectionFinal reportPiper PA28 · Oregon, WIThe pilot's improper decision to take off with a known brake malfunction, which resulted in a collision with a barn during landing on a wet runway.NTSB GAA18CA400Accident · No injuriesData collectionFinal reportChampion 8GCBC · Waunakee, WIThe pilot’s failure to maintain clearance from tall corn along the edge of the airstrip during takeoff.NTSB CEN18FA216Accident · 4 fatalField investigationFinal reportCessna T182T · Monroe, WISpatial disorientation resulting in a loss of control during the missed approach conducted in instrument meteorological conditions. Contributing to the accident was the pilot's decision to execute an instrument approach in weather conditions that were below…NTSB CEN18FA215Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 · Oshkosh, WIThe pilot's decision to fly over the river at a low altitude and his failure to maintain clearance with wires during low-level flight.NTSB CEN18FA149Accident · 3 fatalField investigationFinal reportEurocopter AS 350 B2 · Hazelhurst, WIThe pilot's loss of helicopter control as a result of fatigue during cruise flight at night.NTSB GAA18CA171Accident · No injuriesData collectionFinal reportBeech 76 · Oshkosh, WIThe pilot’s failure to extend the landing gear and the flight instructor’s failure to ensure that the landing gear were extended during landing. Contributing to the accident were the pilot’s and the instructor’s improper use of checklist.NTSB CEN18LA121Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Blair, WIThe pilot’s failure to recognize and compensate for hazards during the external load operation, which led to a collision between a lineman (external load) and a powerline.NTSB GAA18CA058Accident · No injuriesData collectionFinal reportCessna 182 · Black River Falls, WIThe student pilot’s failure to maintain lateral control of the high-performance airplane during the go-around in crosswind conditions.NTSB CEN18LA038Accident · Serious injuriesLimited investigationFinal reportPiper / Laudeman J3C 65 · Palmyra, WIThe pilot’s inadvertent pulling of the fuel shutoff valve, which resulted in a total loss of engine power and a subsequent forced landing into trees. Contributing to the pilot’s inadvertent pulling of the fuel shutoff valve were habit patterns he had…NTSB GAA17CA523Accident · No injuriesData collectionFinal reportTaylorcraft BC12 · Redgranite, WIThe pilot’s failure to maintain directional control during the landing roll.NTSB GAA17CA491Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · Westby, WIThe pilot's failure to see and avoid power lines while maneuvering at low altitude.NTSB CEN17LA307Accident · 2 fatalLimited investigationFinal reportPegasus Quantum · Fort Atkinson, WIThe student pilot's failure to maintain aircraft control during a go-around, which resulted in impact with water. Contributing to the accident was the non-instructor sport pilot's decision to allow the student pilot to fly the aircraft.NTSB CEN17FA287Accident · 2 fatalField investigationFinal reportAerofab Lake LA 4 250 · Oshkosh, WIThe pilot's failure to properly configure the airplane for takeoff and his decision to takeoff with a tailwind in unfavorable water conditions, which resulted in the airplane entering an aerodynamic stall and the pilot losing control.