NTSB investigations, MT
127 cases where the sequence of events included Collision with terr/obj (non-CFIT).
Cases per year
| 2008 | 7 |
|---|---|
| 2009 | 4 |
| 2010 | 4 |
| 2011 | 16 |
| 2012 | 11 |
| 2013 | 12 |
| 2014 | 7 |
| 2015 | 12 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 8 |
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '470' 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."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '470' 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 WPR26FA031Accident · 4 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R66 · Ekalaka, MTOn October 22, 2025, about 1830 mountain daylight time, a Robinson Helicopter Co. R66, N67GA, was substantially damaged when it was involved in an accident near Ekalaka, Montana. The pilot and 3 passengers were fatally injured. The helicopter was operated as…NTSB WPR26LA020Accident · 3 fatalClass 3 · LimitedPreliminary reportPiper PA-23-250 · Condon, MTOn October 17, 2025, about 1615 mountain daylight time, a Piper PA-23-250, N2345R, was substantially damaged when it was involved in an accident near Condon, Montana. The pilot and two passengers were fatally injured. The airplane was operated as a Title 14…NTSB WPR25LA295Accident · No injuriesClass 3 · LimitedPreliminary reportSiai-Marchetti SF260B · Billings, MTOn September 26, 2025, about 1040 mountain daylight time, a SIAI-MARCHETTI SF 260B, N272C, was substantially damaged when it was involved in an accident near Billings, Montana. The pilot and passenger were not injured. The airplane was operated as a Title 14…NTSB WPR25FA289Accident · 1 fatalClass 3 · FieldPreliminary reportMurphy SR3500 · Bigfork, MTOn September 19, 2025, about 1205 mountain daylight time, an experimental amateur built Murphy SR3500, N62ZT, was destroyed when it was involved in an accident near Bigfork, Montana. The pilot was fatally injured. The airplane was operated as a Title 14 Code…NTSB WPR25FA252Accident · 1 fatalClass 3 · FieldPreliminary reportVans RV-7A · West Glacier, MTOn August 12, 2025, about 1457 mountain daylight time, an experimental amateur-built Vans RV-7A N30SG, was substantially damaged when it was involved in an accident near West Glacier, Montana. The pilot was fatally injured. The airplane was operated as a…NTSB 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.NTSB WPR25FA182Accident · 1 fatalClass 3 · FieldPreliminary reportCessna 172 · Billings, MTOn June 19, 2025, at 1412 mountain daylight time, a Cessna 172K airplane, N79306, was destroyed when it was involved in an accident near Billings, Montana. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations…NTSB WPR25LA165Accident · No injuriesClass 4 · LimitedFinal reportWeatherly 620B · Lewiston, MTThe pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude.NTSB 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.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 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 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 WPR23FA244Accident · 1 fatalClass 3 · FieldFinal reportCurtiss Wright P-40E · Hamilton, MTA loss of engine power for undetermined reasons.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 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 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 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 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.NTSB WPR21LA067Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 172 · Dillon, MTThe student pilot’s exceedance of the airplane’s critical angle attack during an attempted go-around, which resulted in an aerodynamic stall.NTSB WPR20LA308Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA 30 · Billings, MTThe pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB WPR20CA250Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · Kalispell, MTThe pilot's excessive speed while landing on a wet grass runway, which resulted in a runway excursion and impact with a fence.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 WPR20CA214Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA 18A-135 · Marion, MTThe pilot's failure to maintain directional control of the airplane while landing in gusting wind conditions, which resulted in a runway excursion and collision with a fence.NTSB WPR20CA183Accident · No injuriesClass 4 · Data collectionFinal reportCessna 310 · Butte, MTThe pilot's failure to maintain clearance from a fence post during final approach which resulted in a damage to the left main landing gear, and its subsequent collapse during landing.NTSB WPR20CA149Accident · No injuriesClass 4 · Data collectionFinal reportCessna 185 · Winifred, MTAn inadequate flare that resulted in a bounced landing and the pilot's subsequent delayed decision to go-around that did not allow for sufficient clearance from trees when the airplane was affected by a gusting wind.NTSB GAA20CA070Accident · No injuriesData collectionFinal reportCessna 195 · Kalispell, MTThe pilot's failure to maintain directional control during landing, which resulted in a runway excursion and the left main landing gear collapsing.NTSB WPR19LA213Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 150 · Roundup, MTThe pilot ‘s failure to maintain an adequate altitude above the trees while maneuvering to land.NTSB GAA19CA475Accident · Serious injuriesData collectionFinal reportAvid Avid Mark IV · Thompson Falls, MTThe student pilot's failure to go-around after a hard, bounced landing and the flight instructor's delayed remedial action, which resulted in a collision with trees at the departure end of the runway.NTSB GAA19CA432Accident · Minor injuriesData collectionFinal reportAviat A1 · Ennis, MTThe pilot's exceedance of the airplane's critical angle of attack while turning at low altitude, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's distraction due to looking at wildlife.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 GAA19CA261Accident · No injuriesData collectionFinal reportSiai-Marchetti SM · Belgrade, MTThe pilot receiving instruction's overapplication of rudder during the landing roll and his subsequent failure to maintain directional control, which resulted in a ground loop.NTSB GAA19CA238Accident · No injuriesData collectionFinal reportAerospatiale AS350 · Sula, MTThe pilot's failure to maintain adequate clearance from ground equipment, which resulted in a tail rotor blade impact.NTSB WPR19CA069Accident · No injuriesData collectionFinal reportChampion 7GCBC · Townsend, MTThe pilot's failure to maintain airplane control during a precautionary landing on an uneven, soft surface.NTSB GAA18CA533Accident · Minor injuriesData collectionFinal reportTaylorcraft BC12 · Cut Bank, MTThe pilot’s failure to see and avoid power wires while maneuvering at low altitude. Contributing to the accident was the pilot’s inability to determine the airplane’s altitude due to sun glare.NTSB GAA18CA481Accident · No injuriesData collectionFinal reportHelio H 295 · Great Falls, MTThe pilot’s failure to maintain lateral control of the airplane during takeoff in a quartering tailwind.NTSB GAA18CA404Accident · No injuriesData collectionFinal reportCessna 180 · Cut Bank, MTThe pilot's failure to maintain directional control during the landing roll.NTSB WPR18LA145Accident · Minor injuriesLimited investigationFinal reportSportavia Putzer RF5B Sperber · Lookout Pass, MTThe pilot’s improper decision to continue flight toward rising terrain after the engine overheated, which necessitated a precautionary landing when the motorglider could not maintain altitude in downdrafts.NTSB WPR18LA076Accident · Serious injuriesClass 3 · LimitedFinal reportBuckeye Industries Dream Machine 582 · Chester, MTThe pilot's failure to maintain adequate clearance from powerlines.NTSB GAA17CA572Accident · No injuriesData collectionFinal reportCub Crafters CC19-180 · Kalispell, MTThe pilot’s inadvertent brake application during the landing roll, which resulted in a loss of directional control.NTSB GAA17CA529Accident · Minor injuriesData collectionFinal reportCessna 182 · Fairfield, MTThe pilot's failure to secure the right fuel cap during the preflight inspection, which resulted in fuel exhaustion, a total loss of engine power, and an off-airport hard landing.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 GAA17CA225Accident · No injuriesData collectionFinal reportWeatherly 620B · Lewistown, MTThe pilot’s failure to maintain altitude during low-altitude maneuvers in flat light conditions.NTSB WPR17LA046Accident · Serious injuriesLimited investigationFinal reportSoftex Invest V-24L · Paradise, MTA partial loss of power during cruise flight for reasons that could not be determined because postaccident examination of the engines did not reveal evidence of any preimpact mechanical malfunctions or failures that would have precluded normal operation.NTSB WPR16FA182Accident · 3 fatalField investigationFinal reportBeech 95 B55 (T42A) · Broadus, MTThe airplane's departure from cruise flight for reasons that could not be determined based on the available information.NTSB GAA16CA492Accident · No injuriesData collectionFinal reportCessna 170 · Sidney, MTThe student pilot’s improper landing flare, which resulted in a bounced landing, and the flight instructor’s inability to recover the airplane, which resulted in a runway excursion.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 GAA16CA376Accident · No injuriesData collectionFinal reportCessna 182 · Stevensville, MTThe pilot's failure to maintain adequate clearance from ground equipment during takeoff, which resulted in an impact with irrigation pipes, a loss of directional control, an impact with a fence, and a nose over.