NTSB investigations, MT
201 cases where NTSB found Aircraft oper/perf/capability.
Cases per year
| 2008 | 13 |
|---|---|
| 2009 | 12 |
| 2010 | 11 |
| 2011 | 9 |
| 2012 | 10 |
| 2013 | 21 |
| 2014 | 15 |
| 2015 | 13 |
| 2016 | 12 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 11 |
| 2021 | 11 |
| 2022 | 5 |
| 2023 | 8 |
| 2024 | 9 |
| 2025 | 10 |
| 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '0106'))
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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '0106')) 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 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.NTSB WPR26LA099Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron Canada BHT407 · Libby, MTThe pilot's failure to maintain clearance from a light post during landing.NTSB 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 WPR25LA271Accident · Minor injuriesClass 4 · LimitedFinal reportNaval Aircraft Factory N3N-3 · Red Lodge, MTThe pilot’s failure to maintain clearance from obstacles during an aborted landing. Contributing to the accident was the high density altitude weather condition.NTSB 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.NTSB WPR25LA243Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Ronan, MTThe student pilot's inadequate landing flare and recovery from a bounced landing.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 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 WPR25LA194Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7GCBC · Helena, MTThe pilot’s failure to maintain directional control of the airplane during landing.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 WPR25LA151Accident · No injuriesClass 4 · LimitedFinal reportStinson 108-3 · Port of Del Bonita, MTThe pilot’s loss of directional control while landing in gusting wind conditions.NTSB 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.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 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 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.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 WPR24LA192Accident · No injuriesClass 4 · LimitedFinal reportSIAI Marchetti SM. 1019 · Twin Bridges, MTThe binding of the parking brake cable, which resulted in un-commanded brake application during the landing roll and subsequent nose over.NTSB 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…NTSB WPR24FA132Accident · 1 fatalClass 3 · FieldFinal reportBell 206-L4 · Anaconda, MTA total loss of engine power due to a loss of cooling oil to the turbine-to-compressor coupling shaft and subsequent fracture of the shaft at an altitude too low for the pilot to complete a successful autorotation. Contributing to the accident was carbon…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 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 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.NTSB 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.NTSB 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.NTSB 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.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 WPR23LA175Accident · Minor injuriesClass 3 · LimitedFinal reportCessna P337H · Laurel, MTA partial loss of engine power to the rear engine resulting from cylinder detonation for undetermined reasons, which resulted in a forced landing and impact with terrain.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 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.NTSB WPR23LA020Accident · No injuriesClass 4 · LimitedFinal reportCub Crafters FX-3 · Hot Springs, MTThe pilot’s failure to maintain directional control during the landing roll.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 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.NTSB WPR22LA129Accident · No injuriesClass 4 · LimitedFinal reportCubcrafters CC11-160 · Belgrade, MTThe pilots misjudged landing approach, which resulted in a long landing and collision with a fence.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 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 WPR21LA236Accident · No injuriesClass 4 · LimitedFinal reportBell UH-1H · Townsend, MTThe pilot’s failure to maintain helicopter control after an encounter with settling with power during approach at an altitude that was too low for recovery, which resulted in a hard landing.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 WPR21LA219Accident · Serious injuriesClass 3 · LimitedFinal reportStoddard Hamilton Glasair II · Darby, MTThe pilot’s impact with terrain during a go-around following an attempted precautionary landing due to a low oil pressure indication. The reason for the low oil pressure indication could not be determined based on the available information.NTSB WPR21LA163Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Wilsall, MTThe pilot's failure to maintain directional control during the landing roll with a crosswind.NTSB WPR21LA138Accident · No injuriesClass 4 · LimitedFinal reportBurg Frederick S ZEN CH701 · Shepherd, MTThe pilot’s unstable approach, and improper landing flare, which resulted in a bounced landing and subsequent nose over.NTSB WPR21LA137Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Three Forks, MTThe pilot’s improper landing flare, which resulted in a loss of directional control, runway excursion and impact 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 WPR21LA032Accident · 1 fatalClass 3 · LimitedFinal reportCessna 172 · Billings, MTThe pilot’s failure to maintain the proper descent glide path while on final approach for reasons that could not be determined from available evidence.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.