Fatal NTSB investigations, MT
22 cases where the sequence of events included Loss of control in flight.
Cases per year
| 2008 | 1 |
|---|---|
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 4 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 1 |
| 2016 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
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.\"highestInjuryLevel\" = 'Fatal'
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
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."highestInjuryLevel" = 'Fatal' AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) 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 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 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 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 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 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 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 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 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 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 WPR14LA233Accident · 1 fatalLimited investigationFinal reportNorth Wing Apache Sport · Polson, MTThe pilot’s loss of airplane control during initial climb due to his experiencing an incapacitating medical event.NTSB WPR13FA368Accident · 1 fatalField investigationFinal reportBeech E35 · West Yellowstone, MTThe pilot's failure to maintain airplane control while aligning the airplane with the runway for landing, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Contributing to the accident was the pilot's…NTSB WPR13FA343Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 II · Thompson Falls, MTThe pilot's failure to maintain helicopter control while operating in conditions conducive to a loss of tail rotor effectiveness.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 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 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 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 WPR09FA176Accident · 1 fatalField investigationFinal reportMaule M-4-220C · Hungry Horse, MTThe pilot's improper decision to continue flight into an area of reduced visibility and snow showers during cruise flight, which resulted in the pilot's spatial disorientation and subsequent loss of aircraft control.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 SEA08FA135Accident · 1 fatalField investigationFinal reportBeech 1900C · Billings, MTThe pilot's failure to maintain aircraft control during the initial climb for undetermined reasons.