NTSB investigations, MT
41 cases where the defining event was Loss of control in flight.
Cases per year
| 2008 | 2 |
|---|---|
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 5 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 4 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 2 |
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\" = 'MT' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '240')
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' AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '240') 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 WPR26LA360Accident · No injuriesClass 4 · LimitedInvestigation openCessna A185F · Livingston, MTNTSB WPR26LA344Accident · Serious injuriesClass 4 · LimitedInvestigation openTaylorcraft BC12D · Nibbe, MTNTSB WPR26LA055Accident · No injuriesClass 4 · LimitedFinal reportMaule M-5-210C · Eureka, MTThe pilot’s failure to maintain directional control during landing in crosswind conditions. Contributing to the accident was the pilot's lack of recent flight experience.NTSB WPR26FA032Accident · 1 fatalClass 3 · FieldPreliminary reportCirrus Design SR22T · Lincoln, MTOn October 24, 2025 at 2115 mountain daylight time, a Cirrus SR22T, N740TS, was destroyed when it was involved in an accident near Lincoln, Montana. The pilot sustained fatal injuries. The airplane was operated as a Title 14 Code of Federal Regulations (CFR)…NTSB WPR25LA239Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Ponderosa Pines, MTThe pilot’s improper pedal application during an approach to a hover.NTSB WPR24LA307Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Basin, MTThe pilot’s decision to continue performing a high-performance takeoff in a full throttle and low-rotor-rpm condition, which resulted in a loss of control and subsequent impact with terrain.NTSB WPR24FA238Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT-802A · Helena, MTThe pilot’s loss of situational awareness during the water scoop due to task overload while operating in a multi-airplane tactical firefighting environment, which resulted in the pilot’s failure to maintain directional control and the airplane’s collision…NTSB WPR24LA180Accident · No injuriesClass 4 · LimitedFinal reportRepublic RC-3 · Butte, MTThe pilot’s failure to maintain control of the airplane during the takeoff with a gusty left quartering crosswind.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 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 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 WPR20LA245Accident · 1 fatalClass 3 · LimitedFinal reportCessna 337 · Ennis, MTThe pilot-in-command’s failure to maintain sufficient airspeed while attempting an evasive maneuver from a boxed canyon, which resulted in an aerodynamic stall/spin and impact with mountainous terrain. Contributing to the accident was the pilot-in-command’s…NTSB WPR20CA217Accident · No injuriesClass 4 · Data collectionFinal reportCessna 182 · Absarokee, MTThe pilot's failure to maintain airplane control during a go-around that resulted in the airplane exceeding its critical angle of attack and aerodynamically stalling which resulted in a collision with the ground.NTSB WPR20CA166Accident · No injuriesClass 4 · Data collectionFinal reportAviat A 1 · Glendive, MTThe pilot's failure to maintain airplane control during landing in gusting wind condition which resulted in a collision with terrain.NTSB WPR20CA173Accident · No injuriesClass 4 · Data collectionFinal reportCessna 170 · Butte, MTThe pilot's failure to maintain airplane control during landing in turbulent conditions.NTSB WPR19FA209Accident · 2 fatalClass 3 · FieldFinal reportCessna 182 · Wolf Point, MTThe pilot's exceedance of the airplane's critical angle of attack while maneuvering to land, which resulted in an accelerated aerodynamic stall and subsequent loss of control.NTSB WPR19LA194Accident · Serious injuriesClass 3 · LimitedFinal reportBell 47G 3B 1 · Mosby, MTThe pilot’s failure to account for environmental conditions conducive to a loss of tail rotor effectiveness, which resulted in a loss of tail rotor effectiveness and subsequent loss of control. Contributing to the accident was the pilot’s inappropriate…NTSB GAA18CA482Accident · No injuriesData collectionFinal reportQac Quickie · helena, MTThe pilot's failure to maintain yaw control and a proper descent rate during an aborted takeoff.NTSB WPR17LA145Accident · Serious injuriesLimited investigationFinal reportPiper L 21B · Big Timber, MTThe pilot's decision to fly at low altitude in the vicinity of power lines, which resulted in a wire strike.NTSB WPR16FA170Accident · 2 fatalField investigationFinal reportCessna 182 · Clinton, MTThe sudden right turn on approach to landing for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB GAA16CA406Accident · No injuriesData collectionFinal reportCessna 177 · Kalispell, MTThe airplane's hard landing during an aborted takeoff, following an encounter with a downdraft during takeoff initial climb from a remote mountain airstrip, resulting in an uncontrolled descent, attempt to land on the runway remaining, and subsequent nose…NTSB WPR16FA012Accident · 1 fatalField investigationFinal reportBucker Jungmeister BU 133 · Missoula, MTThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack while executing a return to the runway after takeoff, which resulted in an aerodynamic stall/spin. Contributing to the accident was the pilot’s…NTSB WPR15FA049Accident · 1 fatalField investigationFinal reportCessna 170B · Alzada, MTThe pilot's failure to maintain airplane control while maneuvering, which resulted in a collision with mountainous terrain.NTSB WPR15LA036Accident · Serious injuriesLimited investigationFinal reportChampion 7AC · Darby, MTThe pilot's failure to maintain airspeed while maneuvering in gusting wind conditions, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall.NTSB WPR14FA231Accident · 1 fatalField investigationFinal reportGrumman G 21A · Sula, MTThe pilot's decision to continue flight into deteriorating weather conditions in an airplane not maintained for instrument flight, which resulted in a loss of control due to spatial disorientation.NTSB WPR14CA067Accident · Serious injuriesData collectionFinal reportBeech 58P · Kalispell, MTThe pilot's failure to maintain airplane control during the landing sequence.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 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 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 WPR12LA317Accident · Serious injuriesLimited investigationFinal reportHerem DR-107 · Bridger, MTThe pilot’s failure to maintain airplane control while maneuvering after takeoff.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 WPR11FA383Accident · 2 fatalField investigationFinal reportPiper PA-38-112 · Silver Bow, MTThe pilot's failure to maintain airplane control while maneuvering.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 WPR11CA286Accident · No injuriesData collectionFinal reportAir Tractor AT301 · Circle, MTThe pilot's failure to attain and maintain an adequate airspeed during initial climb.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 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 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 WPR09MA159Accident · 14 fatalClass 1 · MajorFinal reportPilatus PC-12/45 · Butte, MT(1) the pilot's failure to ensure that a fuel system icing inhibitor was added to the fuel before the flights on the day of the accident; (2) his failure to take appropriate remedial actions after a low fuel pressure state (resulting from icing within the…NTSB LAX08CA173Accident · Minor injuriesData collectionFinal reportBeech A36 · Ryegate, MTThe pilot's failure to abort the takeoff when the ground roll acceleration profile was determined to be insufficient for takeoff. Contributing to the accident was the shifting wind conditions.NTSB SEA08FA135Accident · 1 fatalField investigationFinal reportBeech 1900C · Billings, MTThe pilot's failure to maintain aircraft control during the initial climb for undetermined reasons.