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 WPR24LA152Accident · No injuriesClass 4 · LimitedFinal reportCessna 182H · Three Forks, MTThe pilot’s inadequate preflight inspection, which resulted in an attempted departure with the flight control lock device installed, and subsequent nose landing gear collapse.NTSB WPR24LA140Accident · No injuriesClass 4 · LimitedFinal reportMichael Milburn Vans RV8 · Cascade, MTThe pilot’s failure to maintain aircraft control during landing roll.NTSB WPR24FA132Accident · 1 fatalClass 3 · FieldFinal reportBell 206-L4 · Anaconda, MTA total loss of engine power due to a loss of cooling oil to the turbine-to-compressor coupling shaft and subsequent fracture of the shaft at an altitude too low for the pilot to complete a successful autorotation. Contributing to the accident was carbon…NTSB WPR24LA109Accident · No injuriesClass 3 · LimitedFinal reportRaytheon B200 · Billings, MTThe pilot's improper engine start, resulting in the engine starters remaining engaged and the generators not being activated, which led to the discharge of the airplane’s battery and subsequent total electrical failure after takeoff. Contributing to the…NTSB ENG24LA012IncidentClass 3 · LimitedFinal reportBritish Aerospace BAE 146 Series 200A · Missoula, MTThe use of a new long term fire retardant with a chemical composition incompatible with the retardant previously in use for the integration-operational field evaluation without adequate testing and qualification.NTSB WPR24LA090Accident · No injuriesClass 4 · LimitedFinal reportEnstrom 280FX · Lewistown, MTThe pilot’s failure to maintain clearance from terrain. Contributing to the accident was the pilot’s encounter with low light conditions and snow-covered terrain.NTSB WPR24LA071Accident · Minor injuriesClass 4 · LimitedFinal reportLearjet 55 · Livingston, MTThe flight crew’s decision to land on a snow-covered runway with a tailwind, resulting in a runway excursion and subsequent impact with terrain. Contributing to the accident, was the failure of the airport authority to plow the runway.NTSB WPR24LA069Accident · No injuriesClass 4 · LimitedFinal reportTaylorcraft BC12-D · Whitefish, MTThe failure of the airport authorities to renew the airport closure NOTAM for the airport. Contributing to the accident, was the pilot’s inability to see the runway closure sign.NTSB WPR24LA048Accident · Minor injuriesClass 4 · LimitedFinal reportFlight Design Ctls · Hungry Horse, MTThe pilot's inadequate fuel planning and improper in-flight decision-making, which resulted in a total loss of engine power due to fuel exhaustion.NTSB WPR23LA331Accident · No injuriesClass 4 · LimitedFinal reportBeech N35 · Ennis, MTThe pilot's failure to extend the landing gear before landing.NTSB WPR23LA311Accident · Serious injuriesClass 4 · LimitedFinal reportPiper J3C-65 · Miles City, MTThe pilot's failure to maintain control of the airplane while landing on unimproved terrain.NTSB WPR23LA307Accident · No injuriesClass 3 · LimitedFinal reportBoeing A75N1(PT17) · Red Lodge, MTA partial loss of engine power during the initial climb out due to improper maintenance of the magneto.NTSB WPR23FA286Accident · 1 fatalClass 3 · FieldFinal reportRisen 915 iS · Glendive, MTThe pilot’s failure to maintain airspeed, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall/spin.NTSB WPR23LA284Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1 · Red Lodge, MTThe pilot’s loss of directional control during landing with wind gusts, which resulted in a ground loop and collision with a fence.NTSB WPR23LA280Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-12S · Kalispell, MTThe pilot's failure to maintain directional control of the airplane during landing with a crosswind.NTSB WPR23LA281Accident · Serious injuriesClass 4 · LimitedFinal reportSix Chuter SR7 · Hamilton, MTThe pilot’s failure to maintain directional control during takeoff and subsequent impact with a tree.NTSB WPR23LA266Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-12 · Judith Gap, MTThe pilot's decision to take off on a soft field that exceeded the performance capabilities of the airplane, which resulted in an impact with a pole and terrain.NTSB WPR23LA254Accident · Minor injuriesClass 4 · LimitedFinal reportMaule MX7-180C · Belgrade, MTThe pilot’s failure to maintain directional control during landing with a quartering tailwind, which resulted in a runway excursion and nose over.NTSB WPR23FA244Accident · 1 fatalClass 3 · FieldFinal reportCurtiss Wright P-40E · Hamilton, MTA loss of engine power for undetermined reasons.NTSB WPR23LA269Accident · Minor injuriesClass 3 · LimitedFinal reportCSP Leasing MTO Sport · Gardiner, MTFailure of the rudder/nosewheel steering system for reasons that could not be determined, which resulted in loss of yaw control and a subsequent rollover.NTSB WPR23LA175Accident · Minor injuriesClass 3 · LimitedFinal reportCessna P337H · Laurel, MTA partial loss of engine power to the rear engine resulting from cylinder detonation for undetermined reasons, which resulted in a forced landing and impact with terrain.NTSB WPR23LA354Accident · No injuriesClass 4 · LimitedFinal reportKerr John Hatz Classic · Ennis, MTThe pilot’s failure to maintain directional control during the landing roll which resulted in a ground-loop.NTSB WPR23LA087Accident · No injuriesClass 4 · LimitedFinal reportRaytheon BE-200 · Poplar, MTThe pilot’s failure to maintain adequate airspeed and descent rate during the landing approach, which resulted in an impact with terrain short of the runway threshold.NTSB WPR23LA065Accident · No injuriesClass 4 · LimitedFinal reportPiper PA42 · Lewistown, MTThe pilot’s improper landing flare, which resulted in a hard landing. Contributing to the accident was the out of service visual glideslope indicator and snow obscuring the runway markings.NTSB WPR23LA020Accident · No injuriesClass 4 · LimitedFinal reportCub Crafters FX-3 · Hot Springs, MTThe pilot’s failure to maintain directional control during the landing roll.NTSB WPR23LA001Accident · 1 fatalClass 3 · LimitedFinal reportScoda Aeronautica Ltda Super Petrel LS · Perma, MTThe pilot’s failure to maintain clearance from the powerline.NTSB WPR22LA356Accident · No injuriesClass 4 · LimitedFinal reportCessna 172M · Superior, MTThe pilot’s excessive airspeed during a landing, which resulted in a runway overrun and collision with terrain.NTSB WPR22LA337Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 180 · Seeley Lake, MTThe loss of engine power due to fuel starvation as a result of unporting of the fuel.NTSB WPR22LA321Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-135 · Twin Bridges, MTThe student pilot’s failure to maintain airplane control during an aborted landing, and the flight instructor’s delayed remedial action.NTSB WPR22LA313Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-30 · St Ignatius, MTA partial loss of power during takeoff for undetermined reasons.NTSB WPR22LA301Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Laurel, MTThe loss of climb performance due to undetermined reasons.NTSB WPR22LA293Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-301 · Circle, MTThe loss of engine power due to carburetor ice. Contributing to the accident was the pilot’s failure to use carburetor heat.NTSB WPR22LA270Accident · No injuriesClass 4 · LimitedFinal reportSchweizer SGS 2-33 · Livingston, MTThe student pilot’s improper landing flare, and the instructor’s lack of remedial action.NTSB WPR22LA262Accident · No injuriesClass 3 · LimitedFinal reportMaule M-5-235C · Three Forks, MTA loss of engine power due to degraded and incorrectly maintained ignition system components. Contributing to the accident was the pilot’s delay in turning the airplane towards the runway when the engine began to lose power.NTSB WPR22LA231Accident · Serious injuriesClass 3 · LimitedFinal reportJames C Geyman RV-9A · Missoula, MTThe pilot’s improper fuel management, which resulted in fuel starvation and a loss of engine power. Contributing to the accident was the pilot’s failure to activate the auxiliary fuel boost pump, which inhibited a successful engine restart.NTSB WPR22FA169Accident · 2 fatalClass 3 · FieldFinal reportBearhawk LSA · Kalispell, MTAn excessive pitch control input for undetermined reasons while the airplane was operating above maneuvering speed, which led to a structural failure of the right wing during cruise flight. Contributing to the accident was the poor construction quality of the…NTSB WPR22LA129Accident · No injuriesClass 4 · LimitedFinal reportCubcrafters CC11-160 · Belgrade, MTThe pilots misjudged landing approach, which resulted in a long landing and collision with a fence.NTSB WPR22LA056Accident · No injuriesClass 4 · LimitedFinal reportMonte Clark Vans RV8 · Hamilton, MTThe pilot’s failure to maintain directional control while landing with a crosswind.NTSB WPR22LA024Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 182Q · St Ignatius, MTThe pilot's improper preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB WPR22LA016Accident · No injuriesClass 3 · LimitedFinal reportCessna 180H · Kalispell, MTThe pilot’s failure to maintain directional control during landing, which resulted in a ground loop and a runway excursion.NTSB WPR21FA353Accident · 2 fatalClass 3 · FieldFinal reportBeech S35 · Billings, MTThe pilot’s improper flare, which led to a hard landing, subsequent loss of control, and collision with trees.NTSB WPR21LA313Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 425 · Helena, MTA flameout of both engines due to fuel starvation for reasons that could not be determined due to the airplane’s damage.NTSB WPR21LA315Accident · No injuriesClass 4 · LimitedFinal reportBellanca 14-19-3 · Whitefish, MTA total loss of engine power due to fuel starvation. Contributing to the accident was the pilot’s failure to accomplish a preflight inspection.NTSB WPR21LA289Accident · Minor injuriesClass 4 · LimitedFinal reportStinson 108-1 · Bozeman, MTThe pilot’s failure to maintain directional control during landing which resulted in a ground loop.NTSB WPR21LA285Accident · No injuriesClass 4 · LimitedFinal reportCessna T210 · Missoula, MTThe pilot's failure to extend the landing gear during landing. Contributing to the accident was the pilot’s failure to use a pre-landing checklist.NTSB WPR21FA258Accident · 2 fatalClass 3 · FieldFinal reportCessna 172R · Missoula, MTThe pilot’s failure to maintain airspeed and exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall at an altitude too low for recovery.NTSB WPR21LA249Accident · Minor injuriesClass 3 · LimitedFinal reportMooney M20F · Marion, MTThe pilot’s improper rotation during takeoff from a high-altitude airport and his failure to abort the takeoff, which resulted in an impact with trees and terrain. Contributing to the accident was the pilot’s improper management of the turbocharger, which…NTSB WPR21LA239Accident · No injuriesClass 4 · LimitedFinal reportMooney M20J · West Glacier, MTThe pilot’s inadequate performance planning and decision to continue the takeoff which, resulted in a runway overrun and collision with terrain.NTSB WPR21LA236Accident · No injuriesClass 4 · LimitedFinal reportBell UH-1H · Townsend, MTThe pilot’s failure to maintain helicopter control after an encounter with settling with power during approach at an altitude that was too low for recovery, which resulted in a hard landing.NTSB WPR21LA226Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Miles City, MTThe pilot’s failure to maintain directional control during takeoff which resulted in a ground loop and collision with terrain.