NTSB investigations, MT
51 cases where the sequence of events included Runway excursion.
Cases per year
| 2008 | 2 |
|---|---|
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 3 |
| 2012 | 4 |
| 2013 | 4 |
| 2014 | 6 |
| 2015 | 3 |
| 2016 | 6 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 2 |
| 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.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '300' 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" = '300' 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 WPR25FA223Accident · 2 fatalClass 3 · FieldPreliminary reportGrumman American Avn. AA-5 · West Glacier, MTOn July 26, 2025, about 0942 mountain daylight time, a Grumman AA-5, N1342R, was destroyed when it was involved in an accident near West Glacier, Montana. The pilot and passenger were fatally injured. The airplane was operated as a Title 14 Code of Federal…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 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 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 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 WPR22LA056Accident · No injuriesClass 4 · LimitedFinal reportMonte Clark Vans RV8 · Hamilton, MTThe pilot’s failure to maintain directional control while landing with a crosswind.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 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 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 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 WPR20CA053Accident · No injuriesData collectionFinal reportCessna 170 · Missoula, MTThe pilot receiving instruction's failure to maintain directional control during the takeoff roll, which resulted in a runway excursion and ground-loop, and the flight instructor’s failure to adequately monitor the pilot.NTSB WPR19LA134Accident · No injuriesClass 3 · LimitedFinal reportCessna A185 · Kalispell, MTThe loss of directional control during landing for reasons that could not be determined based on available evidence.NTSB GAA18CA437Accident · No injuriesData collectionFinal reportCessna 180 · Bozeman, MTThe pilot's failure to maintain directional control during landing.NTSB GAA18CA404Accident · No injuriesData collectionFinal reportCessna 180 · Cut Bank, MTThe pilot's failure to maintain directional control during the landing roll.NTSB GAA18CA372Accident · Minor injuriesData collectionFinal reportBeech D17 · Hamilton, MTThe pilot’s failure to maintain directional control during the landing roll and his subsequent inability to recover due to his foot being stuck.NTSB GAA17CA212Accident · No injuriesData collectionFinal reportThomas Craig E Wittman W-10 · Stevensville, MTThe pilot’s decision to take off with a known master brake cylinder leak and his subsequent failure to maintain directional control during landing.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 GAA16CA369Accident · No injuriesData collectionFinal reportStinson 108 · Red Lodge, MTA deer running across the runway and impacting the left side of the airplane, resulting in a loss of directional control, a runway excursion, and a ground loop.NTSB GAA16CA353Accident · Minor injuriesData collectionFinal reportCessna 182 · Hungry Horse, MTThe pilot's decision to land on unsuitable wet terrain, and his failure to stop prior to the end of the runway, which resulted in a runway overrun and impact with tree(s).NTSB GAA16CA285Accident · No injuriesData collectionFinal reportMaule M5 · Hamilton, MTThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and a nose over.NTSB GAA16CA265Accident · Minor injuriesData collectionFinal reportPiper PA 18-150 · Laurel, MTThe pilot's loss of directional control during the landing touchdown, resulting in a runway excursion and substantial damage to the both wings.NTSB WPR16LA073Accident · Minor injuriesLimited investigationFinal reportCessna T206H · Billings, MTThe pilot’s failure to attain a proper flare during landing in gusting wind conditions and low-level wind shear, which resulted in a hard landing and a subsequent loss of directional control.NTSB GAA15CA235Accident · No injuriesData collectionFinal reportCessna 172N · Kalispell, MTThe pilot's loss of directional control, which resulted in a runway excursion, and collision with runway and taxiway lights and terrain.NTSB WPR15CA173Accident · No injuriesData collectionFinal reportCessna T188C · Ismay, MTThe pilot's incorrect action to continue the takeoff when he failed to maintain directional control during the takeoff roll.NTSB GAA15CA050Accident · No injuriesData collectionFinal reportPiper PA 28-180 · Deer Lodge, MTThe pilot's inadequate recovery from a bounced landing, resulting in a loss of control and collision with terrain.NTSB WPR14CA277Accident · No injuriesData collectionFinal reportJones Hatz CB1 · Hysham, MTThe pilot's failure to maintain directional control during the landing roll with a crosswind, which resulted in a ground loop.NTSB WPR14LA269Accident · Minor injuriesLimited investigationFinal reportPiper PA 30 · Kalispell, MTThe pilot’s inadequate preflight planning and checks, during which he failed to determine the quantity and distribution of the fuel, which resulted in the loss of right engine power during takeoff due to fuel starvation.NTSB WPR14CA246Accident · No injuriesData collectionFinal reportPiper PA 22-160 · Jackson, MTThe pilot's failure to maintain directional control of the airplane during landing roll.NTSB WPR14CA401Accident · No injuriesData collectionFinal reportPiper PA 22 · Roundup, MTThe pilot's delayed action to abort the takeoff. Contributing to the accident was the pilot's inadequate preflight planning and a high density altitude.NTSB WPR14CA170Accident · No injuriesData collectionFinal reportPiper PA 18S-150 · Browning, MTThe pilot's failure to maintain directional control during the landing roll which resulted in a veer off the airstrip and collision with a ditch.NTSB WPR14CA157Accident · No injuriesData collectionFinal reportRobert A Miller Murphy Rebel Elite · Roundup, MTThe pilot's loss of directional control while landing.NTSB WPR14CA075Accident · Serious injuriesData collectionFinal reportCessna 152 · St. Ignatius, MTThe non-certificated pilot's failure to maintain a stabilized approach for landing that resulted in a long landing and subsequent runway overrun.NTSB WPR14CA067Accident · Serious injuriesData collectionFinal reportBeech 58P · Kalispell, MTThe pilot's failure to maintain airplane control during the landing sequence.NTSB WPR13CA409Accident · No injuriesData collectionFinal reportCessna 195A · Meadow Creek, MTThe pilot's failure to maintain directional control during the takeoff roll on a rough turf runway.NTSB WPR13CA355Accident · No injuriesData collectionFinal reportMooney M20F · Helena, MTThe flight instructor's delayed decision to instruct the pilot to abort the landing which resulted in a runway excursion and collision with a fence.NTSB WPR12CA293Accident · No injuriesData collectionFinal reportPiper PA-12 · Stevensville, MTThe separation of the left rudder control cable from the rudder bellcrank, which resulted in a loss of directional control during landing roll.NTSB WPR12CA284Accident · Minor injuriesData collectionFinal reportCessna 210-5 · West Glacier, MTThe pilot elected to abort the takeoff without sufficient runway available to land and stop the airplane. Contributing to the accident was the illusion created by the rising terrain, which influenced the pilot's decision to abort the takeoff.NTSB WPR12CA213Accident · No injuriesData collectionFinal reportRotherwick HR Glasair III · Darby, MTThe pilot’s loss of directional control during an emergency landing on a paved highway.NTSB WPR12CA145Accident · No injuriesData collectionFinal reportRockwell International 690C · Conrad, MTThe pilot did not maintain directional control of the airplane due to ice and slushy snow on the runway during the landing roll.NTSB WPR11CA406Accident · No injuriesData collectionFinal reportCessna A185F · Polson, MTThe pilot's failure to maintain directional control during landing.NTSB WPR11CA310Accident · No injuriesData collectionFinal reportCubcrafters CC11-160 · Whitefish, MTThe pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's lack of recent experience in a tailwheel equipped airplane.NTSB WPR11CA109Accident · No injuriesData collectionFinal reportCessna 180H · Helena, MTThe certified flight instructor's loss of airplane control during the landing roll in a gusting crosswind.NTSB WPR10TA335Accident · No injuriesFinal reportPiper PA-18-150 · Dillon, MTThe pilot's failure to maintain directional control during landing.NTSB WPR10CA303Accident · No injuriesData collectionFinal reportStinson 108-1 · Townsend, MTThe pilot's failure to maintain directional control during the landing roll.NTSB WPR09CA351Accident · No injuriesData collectionFinal reportCox John Wiley Kitfox III · Laurel, MTThe pilot's failure to maintain directional control during an attempted go-around from a landing.NTSB WPR09LA281Accident · No injuriesLimited investigationFinal reportCessna T188C · Rock Springs, MTThe pilot's decision to attempt to takeoff in crosswind conditions that exceeded the airplane’s demonstrated crosswind capability.NTSB WPR09CA110Accident · No injuriesData collectionFinal reportErcoupe 415D · Whitehall, MTThe pilot's failure to attain the proper touchdown point and his failure to abort the landing.NTSB LAX08CA287Accident · No injuriesData collectionFinal reportPiper PA-22-150 · Dillon, MTThe pilot-certificated passenger's failure to maintain directional control during landing and the pilot's delayed remedial action and inadequate supervision.