NTSB investigations, MT
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\" = 'MT' 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" = 'MT' 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 WPR13FA183Accident · 1 fatalField investigationFinal reportCessna 182C · Circle, MTThe pilot’s failure to maintain airplane control as a result of spatial disorientation. Contributing to the accident was the pilot’s decision to continue flight into low visibility conditions.NTSB WPR13LA178Accident · Serious injuriesLimited investigationFinal reportMD Helicopter 369A · Darby, MTThe pilot's failure to arrest the landing descent due to his incorrect use of the throttle, which resulted in a hard landing.NTSB WPR13CA117Accident · No injuriesData collectionFinal reportCessna 170B · Sunburst, MTThe pilot's failure to compensate for the strong, gusting wind conditions, which resulted in a loss of airplane control during takeoff.NTSB WPR13FA073Accident · 2 fatalField investigationFinal reportBeech B100 · Libby, MTThe noncertificated pilot’s failure to maintain clearance from terrain while maneuvering to land in dark night conditions likely due to his geographic disorientation (lost). Contributing to the accident was the pilot’s improper decision to fly at night with a…NTSB WPR13LA069Accident · Serious injuriesLimited investigationFinal reportPowerchute Airwolf 912ULS · Dell, MTThe pilot's failure to maintain aircraft control and clearance from mountainous terrain while maneuvering at a low altitude in downdraft conditions.NTSB WPR13LA063Accident · No injuriesLimited investigationFinal reportAerotek Pitts S-1T · Billings, MTThe pilot’s inability to maintain directional control during the landing roll because of the failure of the tailwheel support bracket.NTSB WPR13CA018Accident · No injuriesData collectionFinal reportAlbright Stan Kitfox Super Sport · Twin Bridges, MTThe airplane builder’s failure to rig the flight controls correctly, which resulted in a loss of control after takeoff.NTSB WPR12TA364Accident · No injuriesFinal reportAmerican Eurocopter AS350B3 · Sunburst, MTThe improper installation of the engine-to-main gearbox flex coupling, which resulted in the failure of the flex coupling and a loss of power to the rotor system during takeoff.NTSB WPR12LA348Accident · No injuriesLimited investigationFinal reportSantana PA-18 Replica · Ronan, MTA jammed tailwheel assembly, which resulted in the pilot’s inability to maintain directional control upon landing.NTSB WPR12LA317Accident · Serious injuriesLimited investigationFinal reportHerem DR-107 · Bridger, MTThe pilot’s failure to maintain airplane control while maneuvering after takeoff.NTSB WPR12CA293Accident · No injuriesData collectionFinal reportPiper PA-12 · Stevensville, MTThe separation of the left rudder control cable from the rudder bellcrank, which resulted in a loss of directional control during landing roll.NTSB WPR12CA284Accident · Minor injuriesData collectionFinal reportCessna 210-5 · West Glacier, MTThe pilot elected to abort the takeoff without sufficient runway available to land and stop the airplane. Contributing to the accident was the illusion created by the rising terrain, which influenced the pilot's decision to abort the takeoff.NTSB WPR12CA266Accident · No injuriesData collectionFinal reportCessna 182H · Meadow Creek, MTThe pilot's misjudged approach and improper landing flare, which resulted in a hard landing.NTSB WPR12LA263Accident · No injuriesLimited investigationFinal reportCessna A185F · Winnett, MTA momentary loss of engine power, which led to an emergency descent at night during which the airplane collided with a wire. The reason for the loss of engine power could not be determined because postaccident examination and operation did not reveal any…NTSB WPR12CA209Accident · Minor injuriesData collectionFinal reportPiper PA-28-140 · Sula, MTThe pilot's inability to maintain clearance from terrain while operating in a downdraft over mountainous terrain.NTSB WPR12CA213Accident · No injuriesData collectionFinal reportRotherwick HR Glasair III · Darby, MTThe pilot’s loss of directional control during an emergency landing on a paved highway.NTSB WPR12CA145Accident · No injuriesData collectionFinal reportRockwell International 690C · Conrad, MTThe pilot did not maintain directional control of the airplane due to ice and slushy snow on the runway during the landing roll.NTSB WPR12FA123Accident · 1 fatalField investigationFinal reportBellanca 7GCBC · Brockton, MTThe pilot’s failure to maintain adequate airspeed and airplane control while maneuvering at a low altitude, which resulted in a stall and subsequent impact with terrain.NTSB WPR12LA111Accident · No injuriesLimited investigationFinal reportEnstrom F28 · Kalispell, MTA total loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR12LA092Accident · Minor injuriesLimited investigationFinal reportPiper PA-28R-201T · Kalispell, MTThe partial loss of engine power due to magneto malfunction. Contributing to the accident was the lack of adherence to the manufacturer’s recommended magneto overhaul schedule.NTSB WPR12CA025Accident · No injuriesData collectionFinal reportCessna 172K · Florence, MTThe pilot's failure to maintain clearance from a power line during a low-level flight along a river. Contributing to the accident was the pilot's decision to fly at a low altitude.NTSB WPR11CA439Accident · No injuriesData collectionFinal reportCessna 182D · Roundup, MTThe pilot's failure to maintain clearance from an obstacle during the landing flare.NTSB WPR11CA406Accident · No injuriesData collectionFinal reportCessna A185F · Polson, MTThe pilot's failure to maintain directional control during landing.NTSB WPR11FA390Accident · 2 fatalField investigationFinal reportPiper PA-18-150 · Forsyth, MTThe pilot’s failure to maintain adequate airspeed while maneuvering, which resulted in a stall/mush, loss of control, and impact with terrain.NTSB WPR11LA386Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Hardin, MTThe loss of engine power during takeoff due to the fatigue failure of the turbine wheel blades, which resulted from inadequate maintenance and inspections.NTSB WPR11FA383Accident · 2 fatalField investigationFinal reportPiper PA-38-112 · Silver Bow, MTThe pilot's failure to maintain airplane control while maneuvering.NTSB WPR11LA370Accident · No injuriesLimited investigationFinal reportPiper J5A · Biddle, MTFailure of the left main landing gear strut during the landing roll due to a preexisting crack.NTSB WPR11FA348Accident · Minor injuriesField investigationFinal reportCessna 210-5(205) · Darby, MTThe fatigue failure of the aluminum air intake duct, which resulted in material being ingested into the engine cylinders and a subsequent loss of engine power during cruise flight.NTSB WPR11LA317Accident · 1 fatalLimited investigationFinal reportSchweizer SGS 2-32 · Bigfork, MTThe pilot’s failure to maintain adequate airspeed and his excessive control inputs during a simulated rope break while taking off, which resulted in an accelerated aerodynamic stall.NTSB WPR11CA310Accident · No injuriesData collectionFinal reportCubcrafters CC11-160 · Whitefish, MTThe pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's lack of recent experience in a tailwheel equipped airplane.NTSB WPR11LA289Accident · Serious injuriesLimited investigationFinal reportLemond FLY Fisher · West Glacier, MTA total loss of engine power during takeoff due to water contamination in the fuel system. Contributing to the accident was the pilot’s inadequate preflight inspection of the airplane.NTSB WPR11LA288Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Lewistown, MTThe fatigue fracture and separation of the fuel bypass line, which resulted in a total loss of engine power.NTSB WPR11CA286Accident · No injuriesData collectionFinal reportAir Tractor AT301 · Circle, MTThe pilot's failure to attain and maintain an adequate airspeed during initial climb.NTSB WPR11CA281Accident · No injuriesData collectionFinal reportPiper PA-36-285 · Havre, MTThe pilot's failure to maintain directional control during takeoff.NTSB WPR11LA272Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Hogeland, MTCollision with the ground while maneuvering at low altitude for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR11CA296Accident · Minor injuriesData collectionFinal reportCessna 188 · Glasgow, MTThe pilot's improper fuel management, which resulted in a total loss of engine power due to fuel exhaustion.NTSB WPR11CA249Accident · Minor injuriesData collectionFinal reportRusk Smith Super Cub · Heron, MTThe floatplane's collision with a submerged object during a water landing.NTSB WPR11FA221Accident · 1 fatalField investigationFinal reportAir Tractor AT-802A · Miles City, MTThe pilot's continued visual flight rules flight into deteriorating weather conditions in an airplane not equipped for instrument flight, which resulted in a collision with terrain.NTSB WPR11FA170Accident · 1 fatalField investigationFinal reportCessna T310R · Butte, MTThe pilot's loss of airplane control during the missed approach for undetermined reasons. Contributing to the accident was the rapid and unforecast deterioration of the weather conditions to below the landing minimum and the pilot's decision to attempt the…NTSB WPR11CA109Accident · No injuriesData collectionFinal reportCessna 180H · Helena, MTThe certified flight instructor's loss of airplane control during the landing roll in a gusting crosswind.NTSB WPR11CA101Accident · No injuriesData collectionFinal reportBell 206B3 · Three Forks, MTThe pilot’s inadequate use of throttle during the practice autorotation that resulted in a hard landing.NTSB WPR10LA476Accident · No injuriesLimited investigationFinal reportCessna 310R · Great Falls, MTThe uncommanded retraction of the right main landing gear during taxi due to the failure of the landing gear extension system to move the right main gear upper side link into the locked position for undetermined reasons.NTSB WPR10CA469Accident · No injuriesData collectionFinal reportPiper PA-18-150 · White Sulphur Springs, MTThe pilot's failure to maintain control of the airplane during a go-around in turbulent wind conditions, which resulted in a collision with trees.NTSB WPR10FA438Accident · 1 fatalField investigationFinal reportCessna 182C · Belgrade, MTThe non-instrument rated pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in a loss of airplane control.NTSB CEN10LA496Accident · No injuriesLimited investigationFinal reportCessna 182T · Mosby, MTA partial loss of engine power for undetermined reasons during an en route climb.NTSB WPR10LA393Accident · Minor injuriesLimited investigationFinal reportPiper PA18A · Billings, MTThe pilot's inadequate compensation for the wind conditions and failure to maintain lateral and directional control of the airplane during landing.NTSB WPR10CA380Accident · No injuriesData collectionFinal reportPiper PA-12 · White Sulphur Springs, MTThe pilot’s loss of directional control while attempting to avoid a herd of antelope crossing the runway during the landing rollout.NTSB WPR10LA343Accident · No injuriesLimited investigationFinal reportErcoupe 415 · Whitehall, MTA loss of engine power for undetermined reasons.NTSB WPR10TA335Accident · No injuriesFinal reportPiper PA-18-150 · Dillon, MTThe pilot's failure to maintain directional control during landing.NTSB WPR10CA333Accident · No injuriesData collectionFinal reportCessna 180 · Missoula, MTThe pilot's inadequate compensation for the crosswind conditions and failure to maintain directional control during the landing roll.