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 CHI90FA212Accident · 1 fatalField investigationFinal reportBoeing A75N1 · Oshkosh, WIThe pilot-in-command's failure to maintain airspeed sufficient to avoid a stall/spin at an altitude insufficient to effect a full recovery.NTSB CHI90FA208Accident · Serious injuriesField investigationFinal reportLockheed 12A · Oshkosh, WIThe inadequate emergency procedure(s) by the pilot in command following a loss of engine power for undetermined reasons(s).NTSB CHI90LA209Accident · No injuriesLimited investigationFinal reportCessna 150 · Oshkosh, WILoss of engine power for an undetermined reason.NTSB CHI90LA201Accident · No injuriesLimited investigationFinal reportBryant Rowland T-18 · Fisk, WIThe pilot-in-command of the thorp T-18'S failure to maintain a sufficient visual lookout to avoid a collision with the Cessna 170A. Contributing was the limited visibility forward and to the right in the thorp T-18.NTSB CHI90LA210Accident · No injuriesLimited investigationFinal reportPiper J-3 CUB · Clay Banks, WIPilot's failure to maintain an adequate visual lookout during the descent. Contributing factors are the pilot's poor weather evaluation, and continued VFR flight into IFR conditions.NTSB CHI90LA200Accident · No injuriesLimited investigationFinal reportBeech A36TC · Oshkosh, WIThe pilot's failure to recognize the deteriorating airspeed and imminent stall during the landing flare, which resulted in a hard landing.NTSB CHI90LA199Accident · No injuriesLimited investigationFinal reportFouga FOUGA-MAGISTER · Oshkosh, WIThe pilot-in-command's failure to maintain proper airspeed in turn from base to final.NTSB CHI90FA197Accident · 2 fatalField investigationFinal reportCustom Aerotech White Lightning · Oshkosh, WIThe pilot-in-command's failure to maintain airspeed to avoid loss of control of the aircraft.NTSB CHI90LA189Accident · No injuriesLimited investigationFinal reportMitsubishi MU-300 · Milwaukee, WIThe pilot's delayed determination of traction or braking action until too little runway remained to go around or to employ alternate means of activiating the brakes. Contributing to the accident was the overservicing of the main gear struts.NTSB CHI90LA187Accident · No injuriesLimited investigationFinal reportPiper PA-30B · Webster, WIThe failure of the nose gear transmission mounting bracket which resulted in nose gear collapse during the landing roll.NTSB CHI90LA194Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Pulaski, WIThe pilot's failure to maintain positive control of the airplane while landing. Factors related to the accident were the pilot's lack of total flight experience, and inadequate compensation for crosswind conditions.NTSB CHI90DER01Accident · No injuriesFinal reportPiper PA-28-140 · New Richmond, WIThe pilot's inadequate preflight inspection, which resulted in the gascolator drain being left open.NTSB CHI90DEP07Accident · No injuriesFinal reportBell 47-G2 · Hatley, WIThe partial loss of power due to sticking intake valves.NTSB CHI90DEP06Accident · 1 fatalFinal reportCessna 177B · Iola, WIFailure of the pilot to maintain adequate airspeed, which resulted in a stall/spin. Factors related to the accident were: the pilot's poorly planned approach, and his failure to go around.NTSB CHI90LA164Accident · Serious injuriesLimited investigationFinal reportCessna 182P · Cornell, WIThe pilot's inadequate preflight resulted in a loss of engine power due to contamination in the fuel system.NTSB CHI90LA157Accident · Minor injuriesLimited investigationFinal reportBeech K-35 · Oshkosh, WIFuel mismanagement.NTSB CHI90DEP05Accident · No injuriesFinal reportCirrus Klappmeier Cirrus VF-30 · Baraboo, WIManufacturer's inadequate equipment design to prevent a fuel leak which resulted in an in-flight fire. A factor related to the accident was the lack of an unsuitable forced landing area.NTSB CHI90DEP04Accident · Serious injuriesFinal reportGoss KR-2 · Kenosha, WIFailure of the pilot to maintain control of the aircraft, while flying it with a laterally imbalanced condition. Factors related to the accident were: the pilot's lack of flying experience, and his lack of familiarity with this aircraft.NTSB CHI90FA123Accident · 3 fatalField investigationFinal reportCessna 172N · New Richmond, WIFailure of the pilot to maintain sufficient airspeed to avoid a stall/spin. A factor related related to the accident was: the pilot's lack of familiarity with the make and model of aircraft.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 CHI90LA116Accident · No injuriesLimited investigationFinal reportBeech E 55 · New Richmond, WIPilot's improper use of the landing gear mechanism during the landing roll, which resulted in the partial collapse of the landing gear.NTSB CHI90LA115Accident · Minor injuriesLimited investigationFinal reportBeech F33A · Milwaukee, WIThe utilization of improper procedures on the part of the pilot in command by attempting to execute a coupled approach outside the parameters of the autopilot.NTSB CHI90LA114Accident · No injuriesLimited investigationFinal reportRockwell AC-690 · Sheboygan, WIFailure of the pilot to complete the landing checklist and lower the landing gear. Contributing to this accident is habit pattern interference and distraction.NTSB CHI90LA107Accident · No injuriesLimited investigationFinal reportCessna 150G · Franklin, WIInadequate compensation for wind conditions by the pilot, and his failure to maintain runway alignment during the attempted go-around (aborted landing). The wind conditions and soft terrain were related factors.NTSB CHI90DEP03Accident · No injuriesFinal reportJames A Nelson ZEN AIR CH701 · Raymond, WIManufacturer's inadequate design of the fuel drain. Contributing was the pilot-in-command's disregarding the fuel supply which resulted in fuel exhaustion.NTSB CHI90LA103Accident · No injuriesLimited investigationFinal reportPiper PA-38 · Wausau, WIA hard landing resulting from the pilot not taking timely remedial when a stall was encountered.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 CHI90LA072Accident · No injuriesLimited investigationFinal reportBeech E18S · Oak Creek, WIImproper planning/decision by the pilot. Factors related to the accident were: the adverse weather conditions, accumulation of structural and/or induction ice, and dark night.NTSB CHI90FA066Accident · Serious injuriesField investigationFinal reportCessna 402A · Mosinee, WIThe pilot disregarding the published decision height and not performing a missed approach.NTSB CHI90FA065Accident · 1 fatalField investigationFinal reportCessna 402B · Appleton, WIThe pilot's decision to continue flight into known adverse weather conditions resulting in a windshear encounter with insufficient altitude for recovery. The existing adverse weather conditions were factors.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.