NTSB investigations, 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, newest first
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' 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' 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 CHI04CA094Accident · No injuriesData collectionFinal reportCessna 180 · Long Lake, WIThe pilot flared improperly and failed to maintain directional control during landing.NTSB CHI04LA084Accident · Serious injuriesLimited investigationFinal reportBoeing 757-200 · Janesville, WIThe unexpected encounter with convective turbulence.NTSB CHI04LA079Accident · No injuriesLimited investigationFinal reportRobinson R44 · Burlington, WIThe pilot's inadequate visual lookout and his failure to obtain/maintain clearance from the transmission wire during the takeoff. Factors contributing to the accident were the transmission wire and the pole.NTSB CHI04LA075Accident · No injuriesLimited investigationFinal reportCessna 120 · Merrill, WIThe pilot's selection of unsuitable terrain to conduct a landing. Factors were the reported flat light conditions and the uneven terrain.NTSB CHI04LA083Accident · No injuriesLimited investigationFinal reportCessna 195 · Manitowoc, WIThe Cessna 195 pilot's failure to maintain clearance from the Cessna 177RG while taxiing to the ramp after landing. A contributing factor was the restricted forward visibility (blind spot) of the Cessna 195 due to the engine cowling. An additional factor was…NTSB CHI04LA064Accident · Minor injuriesLimited investigationFinal reportPiper PA-28R-200 · Lone Rock, WIThe pilot's continued flight into icing conditions resulting in ice accretion on the wing and his failure to maintain airspeed resulting in a stall.NTSB CHI04FA045Accident · 2 fatalField investigationFinal reportMooney 20E · Webster, WIThe pilot's inadequate decision to conduct a low altitude flight maneuver without sufficient altitude to maintain clearance from the terrain. Low altitude flight and ostentatious display are contributing factors.NTSB CHI04LA042Accident · No injuriesLimited investigationFinal reportBeech 99 · Mosinee, WIThe pilot's failure to maintain the proper descent rate and his inadequate flare.NTSB CHI04LA036Accident · No injuriesLimited investigationFinal reportCessna 182R · Wausau, WIThe pilot 's improper flare which resulted in a hard landing, and the flight instructors inadequate supervision.NTSB CHI04LA034Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Superior, WIThe pilot's failure to maintain directional control of the airplane during the landing roll. Factors associated with the accident were the ditch that the airplane contacted.NTSB CHI04LA027Accident · Minor injuriesLimited investigationFinal reportBell 206B · Coleman, WIThe loss of engine power for undetermined reasons and the unsuitable terrain encountered for the forced landing. The garage building was a factor.NTSB CHI04LA014Accident · No injuriesLimited investigationFinal reportCroke Zenith CH 701 · Brussels, WIA partial loss of engine power for undetermined reasons.NTSB CHI03LA321Accident · No injuriesLimited investigationFinal reportCessna 305A · New Richmond, WIThe pilot's inadequate compensation for wind and his failure to maintain directional control. The pilot's in-flight selection of the wrong runway and excessive application of brake pressure are contributing factors.NTSB CHI03LA308Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Wausau, WIThe excessive free play resulting in a loose tail wheel assembly and a failure of the flight crew to maintain directional control during the landing rollout.NTSB CHI03FA301Accident · 1 fatalField investigationFinal reportAeronca 11BC · Colfax, WIThe pilot failed to maintain adequate airspeed while maneuvering which resulted in an inadvertent stall. A factor associated with the accident was the low altitude at which the pilot was maneuvering.NTSB CHI03LA281Accident · Minor injuriesLimited investigationFinal reportCessna 150J · Fennimore, WIThe loss of engine power in cruise flight due to carburetor icing. A factor was the unsuitable terrain the pilot encountered during his forced landing.NTSB CHI03LA274Accident · No injuriesLimited investigationFinal reportBoeing A-75 · La Crosse, WIThe total loss of engine power due to a fatigue fracture of the engine's crankshaft. A factor was the corn crop.NTSB CHI03LA272Accident · No injuriesLimited investigationFinal reportPiper PA-25 · Brandon, WIThe pilot failed to maintain clearance from the corn crop during an aerial application maneuver. Additional factors were the terrain induced turbulence and the corn crop.NTSB CHI03LA256Accident · No injuriesLimited investigationFinal reportNicoson Antares MA-33 · Palmyra, WIThe loss of engine power for undetermined reasons and the pilot misjudging the descent rate during the forced landing, which resulted in the airplane landing short of the desired landing area. A factor to the accident was the fence.NTSB CHI03LA255Accident · No injuriesLimited investigationFinal reportTaylorcraft F19 · Lakewood, WIA loss of engine power due to fuel starvation as a result of the pilot's improper use of the fuel system. A related factor was the tree.NTSB CHI03FA239Accident · No injuriesField investigationFinal reportGerlach Skyraider II · Oshkosh, WIThe pilot's failure to abort the takeoff, his improper use of flaps during the takeoff, and his failure to attain sufficient airspeed resulting in an inadvertent stall and subsequent impact with a road.NTSB CHI03FA238Accident · No injuriesField investigationFinal reportDegair Lancair 360 · Oshkosh, WIThe other airplane pilot's inadequate visual look out and his failure to perform a go-around, and maintain clearance from the other aircraft.NTSB CHI03FA234Accident · No injuriesField investigationFinal reportBeech M35 · Oshkosh, WIThe pilot's inadequate in-flight planning/decision and his failure to execute a go-around. Contributing factors were the pilot's failure to attain alignment with the runway centerline, the runway light and the airport sign.NTSB CHI03LA225Accident · No injuriesLimited investigationFinal reportBeech C23 · Madison, WIThe dual student's delay in executing the aborted takeoff. Also causal was the pilot-in-command's delayed remedial action.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 CHI03LA206Accident · No injuriesLimited investigationFinal reportCessna 140 · Sullivan, WIThe pilot's inadequate compensation for wind conditions resulting in a loss of directional control. A factor contributing to the accident was the crosswind.NTSB CHI03LA201Accident · 2 fatalLimited investigationFinal reportMcIlraith Sea Rey · Tomah, WIThe loss of engine power for an undetermined reason, and the pilot's failure to maintain airspeed resulting in a stall/spin during the forced landing.NTSB CHI03LA185Accident · Minor injuriesLimited investigationFinal reportHiller UH-12E · Elk Mound, WIThe pilot's failure to maintain clearance from the terrain. Factors contributing to the accident were the whirlwind, the turbulence, and the helicopter's low altitude.NTSB CHI03LA173Accident · Serious injuriesLimited investigationFinal reportAerostar S-55A · Monroe, WIThe pilot's failure to maintain clearance from the transmission wires during landing and his decision to jump from the balloon. A factor to the accident was the power transmission lines.NTSB CHI03LA162Accident · No injuriesLimited investigationFinal reportNew Standard D-25 · West Bend, WIThe pilot's excessive braking during landing roll. Contributing factors to this accident were the pilot's lack of experience in the accident airplane.NTSB CHI03FA151Accident · 2 fatalField investigationFinal reportCessna 172P · Sheboygan, WIThe pilot failed to maintain control of the airplane after encountering instrument meteorological conditions during takeoff. Factors associated with the accident were the low ceiling, fog and lack of instrument rating.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 CHI03FA138Accident · 4 fatalField investigationFinal reportPiper PA-31P · Woodruff, WIThe pilot's failure to follow the before take-off checklist which led to an improper selection of the auxilliary fuel tanks for the takeoff leading to the subsequent fuel starvation of the left engine. Additional causes were the pilot not maintaining minimum…NTSB CHI03LA136Accident · No injuriesLimited investigationFinal reportPiper PA-11 · Minocqua, WIThe pilot's failure to attain a proper climb rate during takeoff. A factor to the accident was the tree.NTSB CHI03LA127Accident · Serious injuriesLimited investigationFinal reportPiper PA-18-135 · Prescott, WIThe pilot delaying the go-around and the maneuver to avoid the treeline. Factors to the accident were the treeline and the airplane's low altitude.NTSB CHI03LA125Accident · No injuriesLimited investigationFinal reportPiper J3C-65 · Wilmot, WIThe loss of engine power for an undetermined reason, and the unsuitable terrain encountered for the forced landing. A factor was the fence.NTSB CHI03LA093Accident · No injuriesLimited investigationFinal reportLuscombe 8A · Sturtevant, WIThe student pilot's abrupt liftoff resulting in his failure to maintain adequate airspeed followed by a stall. Also causal was the instructor's inadequate supervision.NTSB CHI03LA053Accident · Minor injuriesLimited investigationFinal reportRobinson R22B · Oshkosh, WIThe directional control not maintained by the unrated helicopter pilot, and the remedial action not performed by the pilot-in-command. The pilot-in-command's lack of certification as a certified flight instructor and the dark night conditions were…NTSB CHI03FA018Accident · 2 fatalField investigationFinal reportPiper PA-24 · Fond du Lac, WIThe pilot failed to maintain obstacle clearance from the power lines while on a night VFR approach. Factors to the accident included the dark night and the power lines.NTSB CHI03LA016Accident · No injuriesLimited investigationFinal reportLaFerriere Vans RV-4 · Lake Geneva, WIThe loss of engine power due to carburetor ice. A contributing factor was the ditch adjacent to the roadway.NTSB CHI03LA012Accident · No injuriesLimited investigationFinal reportMork Kitfox III · Evansville, WIThe loss of power for undetermined reasons. A contributing factor is the unsuitable terrain.NTSB CHI03LA017Accident · No injuriesLimited investigationFinal reportCessna 172 · Neenah, WIThe pilot failed to maintain clearance from the post. Factors included the post and the sun glare.NTSB CHI02LA280Accident · No injuriesLimited investigationFinal reportCessna 172P · Sturtevant, WIThe proper touchdown point not attained and the approach speed not obtained/maintained by the pilot.NTSB CHI02LA290Accident · No injuriesLimited investigationFinal reportChristen Industries A-1 · Chetek, WIThe pilot's failure to maintain directional control of the airplane, and his failure to maintain clearance from the utility pole. A factor was the utility pole.NTSB CHI02LA278Accident · Minor injuriesLimited investigationFinal reportFrank RV-8A · Brodhead, WIThe failure of the nose landing gear strut for undetermined reasons.NTSB CHI02CA279Accident · Serious injuriesData collectionFinal reportCessna 120 · Brookfield, WIThe inadequate visual outlook by the pilot during taxi.NTSB CHI02LA268Accident · 1 fatalLimited investigationFinal reportRebholz Rans S-10 · Cottage Grove, WIThe pilot's decision to turn back to the airport following the loss of engine power during initial climb, the pilot not maintaining airspeed and aircraft control, which resulted in the stall at a low altitude. An additional cause was the seizure of the engine…NTSB CHI02CA267Accident · No injuriesData collectionFinal reportTomash Avid Flyer · Camp Lake, WIThe total failure of the engine ignition system, and the unsuitable terrain encountered during the forced landing. The low altitude was a contributing factor.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 CHI02FA247Accident · 1 fatalField investigationFinal reportCessna 172N · Shell Lake, WIThe pilot's failure to refuel the airplane prior to departure leading to fuel exhaustion during the flight, the inadequate preflight/inflight planning, and the unsuitable terrain encountered by the pilot during the forced landing attempt. Contributing factors…