NTSB investigations, MT
102 cases where NTSB found Physical environment.
Cases per year
| 2008 | 9 |
|---|---|
| 2009 | 4 |
| 2010 | 6 |
| 2011 | 6 |
| 2012 | 6 |
| 2013 | 12 |
| 2014 | 9 |
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 1 |
| 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\", '0302'))
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", '0302')) 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 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.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 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 WPR25LA047Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Lewistown, MTThe pilot’s inadvertent impact with a rock during a landing on a grass strip.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 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 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.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 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 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 WPR23LA001Accident · 1 fatalClass 3 · LimitedFinal reportScoda Aeronautica Ltda Super Petrel LS · Perma, MTThe pilot’s failure to maintain clearance from the powerline.NTSB WPR21LA249Accident · Minor injuriesClass 3 · LimitedFinal reportMooney M20F · Marion, MTThe pilot’s improper rotation during takeoff from a high-altitude airport and his failure to abort the takeoff, which resulted in an impact with trees and terrain. Contributing to the accident was the pilot’s improper management of the turbocharger, which…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 WPR21LA096Accident · No injuriesClass 4 · LimitedFinal reportHeckel Super Sportsman · Spotted Bear, MTThe pilot’s failure to maintain aircraft control during the landing roll on an unimproved snow-covered runway which resulted in a nose-over.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 WPR20LA304Accident · 2 fatalClass 3 · LimitedFinal reportCessna 172 · Seeley Lake, MTThe noninstrument-rated pilot’s encounter with instrument meteorological conditions during a night visual approach due to wildfire smoke, which resulted in controlled flight into terrain.NTSB WPR20LA278Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · Harlowton, MTThe pilot’s failure to follow the appropriate takeoff procedures, which resulted in a collision with terrain.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 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 WPR20FA063Accident · 4 fatalClass 3 · FieldFinal reportCessna TR182 · Billings, MTThe pilot’s failure to maintain clearance due to poor decision making in selecting an unsafe altitude during cruise flight.NTSB WPR20CA066Accident · No injuriesData collectionFinal reportPiper PA 23 · Helena, MTThe pilot's improper decision to attempt an off-airport departure from rough terrain without inspecting the takeoff area, which resulted in a collision with a shallow rut during takeoff and the nose landing gear collapsing.NTSB WPR19FA246Accident · 3 fatalClass 3 · FieldFinal reportBeech 33 · St. Ignatius, MTThe pilot’s decision to maneuver the airplane at a low altitude, which resulted in impact with power lines and terrain.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 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 WPR19LA055Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 180 · Townsend, MTThe pilot’s failure to maintain clearance from power lines while maneuvering at low level, which resulted in a wire strike and subsequent impact with terrain.NTSB WPR18FA260Accident · 1 fatalField investigationFinal reportRobert L Coons RotorWay RW 1 · Billings, MTThe pilot's failure to maintain clearance with a hangar while maneuvering to his hangar. Contributing to the accident was the pilot's limited experience in helicopters.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 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 GAA18CA240Accident · No injuriesData collectionFinal reportBrown Joseph Sportsman GS-2 · Kalispell, MTThe pilot’s selection of an unsuitable snow-covered airstrip for landing, which resulted in a nose-over.NTSB GAA18CA220Accident · No injuriesData collectionFinal reportPiper PA 22 · Shelby, MTThe pilot’s improper use of the fuel selector, which resulted in fuel starvation to the engine and an off-runway landing.NTSB WPR18LA076Accident · Serious injuriesClass 3 · LimitedFinal reportBuckeye Industries Dream Machine 582 · Chester, MTThe pilot's failure to maintain adequate clearance from powerlines.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 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 GAA16CA419Accident · No injuriesData collectionFinal reportCessna 172 · Lewiston, MTThe pilot's failure to ensure that his seat was adjusted and locked, which resulted in his seat sliding aft during the takeoff roll, and the subsequent loss of directional control and runway excursion.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.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 GAA16CA319Accident · No injuriesData collectionFinal reportAmerican AA 1 · Denton, MTThe pilot's premature rotation and failure to attain sufficient airspeed required for a sustained climb, resulting in a runway overrun and collision with a fence.NTSB GAA16CA284Accident · No injuriesData collectionFinal reportBellanca 7GCBC · Ferndale, MTThe pilot's loss of directional control during takeoff resulting in a decision to rotate early, and a collision with a hangar and subsequent fire.NTSB GAA16CA080Accident · Minor injuriesData collectionFinal reportAviat A1 · Broadus, MTThe pilot's failure to maintain clearance from the wires while flying at a low altitude resulting in a wire strike, a loss of airplane control, and the consequent impact with terrain.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 GAA15LA217Accident · Minor injuriesLimited investigationFinal reportMD Helicopter 369E · Whitefish, MTThe pilot’s failure to maintain altitude and a level attitude while hovering over water at night during an external load operation, which resulted in the helicopter’s main rotor contacting the surface of the water.NTSB WPR15LA229Accident · No injuriesLimited investigationFinal reportCessna TU206G · Saint Ignatius, MTMaintenance personnel’s failure to tighten a fuel line, which resulted in a loss of fuel pressure and a subsequent loss of engine power during cruise flight and an off-airport landing and collision with obstacles.NTSB WPR15LA198Accident · Serious injuriesLimited investigationFinal reportCessna TU206F · Schafers Meadows, MTThe pilot's failure to maintain directional control of the airplane during the landing roll in variable and gusting wind conditions.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 WPR15LA087Accident · Minor injuriesLimited investigationFinal reportPiper PA 28-140 · Helena, MTLoss of engine power after takeoff for reasons that could not be determined because postaccident examination did not reveal any evidence of an anomaly that would have precluded normal operation.