NTSB investigations, MT

260 cases where NTSB found Personnel issues.

Cases per year

20082026
NTSB investigations, MT per year, 2008–2026: 260 cases
200811
200914
20109
201117
201211
201328
201418
201517
201616
201710
201813
201914
202015
202116
202212
202313
202412
202510
20264

Latest 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '02'))
  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.

NTSB WPR26LA280Accident · Serious injuriesClass 4 · LimitedFinal reportHarmon Rocket II · Glasgow, MTThe pilot’s inadvertent selection of the fuel selector valve to the OFF position resulted in a total loss of engine power due to fuel starvation and subsequent forced landing to a field.Jul 24, 2026 · C-FCPG · Substantial damageNTSB WPR26LA146Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron 206L-1 · Chimney Rock, MTThe pilot’s failure to maintain adequate clearance from the terrain while performing a low altitude circling takeoff maneuver, which resulted in a dynamic rollover.Apr 4, 2026 · N5017G · Substantial damageNTSB WPR26LA105Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-20 · Three Forks, MTThe pilot’s failure to maintain directional during the landing roll with a variable wind.Feb 13, 2026 · N1491A · Substantial damageNTSB WPR26LA099Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron Canada BHT407 · Libby, MTThe pilot's failure to maintain clearance from a light post during landing.Feb 5, 2026 · N407VS · Substantial damageNTSB 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.Dec 9, 2025 · N339X · Substantial damageNTSB WPR25LA251Accident · No injuriesClass 4 · LimitedFinal reportSocata TBM 700 · Kalispell, MTThe pilot’s unstable approach to the runway, which resulted in an aerodynamic stall at low altitude and impact with terrain.Aug 11, 2025 · N860CA · DestroyedNTSB WPR25LA243Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Ronan, MTThe student pilot's inadequate landing flare and recovery from a bounced landing.Aug 8, 2025 · N734SW · Substantial damageNTSB WPR25LA239Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Ponderosa Pines, MTThe pilot’s improper pedal application during an approach to a hover.Aug 3, 2025 · N750GT · Substantial damageNTSB WPR25LA221Accident · Minor injuriesClass 4 · LimitedFinal reportBeech B35 · Helena, MTThe pilot’s failure to properly configure the airplane during a go-around which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall at a low altitude.Jul 24, 2025 · N5204C · Substantial damageNTSB WPR25LA194Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7GCBC · Helena, MTThe pilot’s failure to maintain directional control of the airplane during landing.Jun 30, 2025 · N50476 · Substantial damageNTSB WPR25LA176Accident · No injuriesClass 4 · LimitedFinal reportCessna 182M · Willow Creek, MTThe pilot’s inadequate preflight inspection and fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.Jun 15, 2025 · N71450 · Substantial damageNTSB WPR25LA165Accident · No injuriesClass 4 · LimitedFinal reportWeatherly 620B · Lewiston, MTThe pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude.May 30, 2025 · N90393 · Substantial damageNTSB WPR25LA122Accident · No injuriesClass 3 · LimitedFinal reportBeech C90A · Helena, MTThe failure of the left main landing gear to fully extend and lock as a result of broken downlock switch wires and the failure of the pilots to complete the manual gear extension checklist.Mar 16, 2025 · N513JM · Substantial damageNTSB WPR25LA074Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Red Rock, MTThe pilot's failure to maintain directional control during takeoff, which resulted in an impact with deep snow and vegetation.Jan 6, 2025 · N4644Y · Substantial damageNTSB WPR25LA043Accident · No injuriesClass 4 · LimitedFinal reportCharlie Guinn CCK-1865 · Lewiston, MTThe pilot’s failure to maintain directional control in a gusting tailwind, which resulted in an impact with a tree.Nov 14, 2024 · N247CC · Substantial damageNTSB 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.Sep 15, 2024 · N233WT · Substantial damageNTSB WPR24FA270Accident · 3 fatalClass 3 · FieldFinal reportCessna 182K · Augusta, MTThe non-instrument-rated pilot’s decision to continue a visual flight rules flight into a rugged mountain area in deteriorating weather conditions, which resulted in impact with terrain.Aug 8, 2024 · N2764Q · Substantial damageNTSB 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…Jul 10, 2024 · N10122 · Substantial damageNTSB WPR24LA204Accident · Minor injuriesClass 4 · LimitedFinal reportMaule MXT-7-180 · Winifred, MTThe pilot’s inadvertent excessive application of brakes, which resulted in a nose over.Jun 23, 2024 · N5519C · Substantial damageNTSB 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.Jun 5, 2024 · N87583 · Substantial damageNTSB WPR24FA150Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-18-150 · Thurlow, MTThe pilot’s exceedance of the airplane’s critical angle of attack while maneuvering at low altitude, resulting in an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the pilot’s distraction by his cell phone use while…May 14, 2024 · UNREG · Substantial damageNTSB 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.May 10, 2024 · N2388X · Substantial damageNTSB WPR24LA140Accident · No injuriesClass 4 · LimitedFinal reportMichael Milburn Vans RV8 · Cascade, MTThe pilot’s failure to maintain aircraft control during landing roll.May 4, 2024 · N740MT · Substantial damageNTSB 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…Mar 12, 2024 · N299AV · Substantial damageNTSB 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.Feb 15, 2024 · N899JS · Substantial damageNTSB 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.Jan 11, 2024 · N558RA · Substantial damageNTSB 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.Dec 23, 2023 · N43415 · Substantial damageNTSB 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.Nov 18, 2023 · N924RD · Substantial damageNTSB WPR23LA331Accident · No injuriesClass 4 · LimitedFinal reportBeech N35 · Ennis, MTThe pilot's failure to extend the landing gear before landing.Aug 31, 2023 · N92NJ · Substantial damageNTSB 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.Aug 11, 2023 · N3609K · Substantial damageNTSB 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.Jul 28, 2023 · N2442 · DestroyedNTSB 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.Jul 22, 2023 · N53132 · Substantial damageNTSB 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.Jul 21, 2023 · N48MR · Substantial damageNTSB 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.Jul 19, 2023 · N942WA · Substantial damageNTSB 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.Jul 8, 2023 · N4135M · Substantial damageNTSB 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.Jul 4, 2023 · N3171H · Substantial damageNTSB 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.Jun 1, 2023 · N207AG · Substantial damageNTSB 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.Apr 29, 2023 · N687HZ · Substantial damageNTSB 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.Jan 18, 2023 · N200EJ · Substantial damageNTSB 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.Dec 13, 2022 · C-GZPU · Substantial damageNTSB WPR23LA020Accident · No injuriesClass 4 · LimitedFinal reportCub Crafters FX-3 · Hot Springs, MTThe pilot’s failure to maintain directional control during the landing roll.Oct 4, 2022 · N751AK · Substantial damageNTSB WPR23LA001Accident · 1 fatalClass 3 · LimitedFinal reportScoda Aeronautica Ltda Super Petrel LS · Perma, MTThe pilot’s failure to maintain clearance from the powerline.Oct 2, 2022 · N892SP · Substantial damageNTSB 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.Sep 26, 2022 · N12113 · Substantial damageNTSB 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.Sep 3, 2022 · N3135D · Substantial damageNTSB 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.Aug 29, 2022 · N3268B · Substantial damageNTSB 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.Aug 7, 2022 · N36542 · Substantial damageNTSB 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.Jul 23, 2022 · N2482W · Substantial damageNTSB 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.Jul 20, 2022 · N6224M · Substantial damageNTSB 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.Jun 27, 2022 · N12VV · Substantial damageNTSB 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…Apr 30, 2022 · N1908A · Substantial damage