NTSB investigations, MT
180,610 investigations by the National Transportation Safety Board since 1962: 174,589 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.
Cases, newest first
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' 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' 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 WPR15FA135Accident · 1 fatalField investigationFinal reportPiper PA32R - 301 · Townsend, MTThe pilot's decision to depart on and to continue a visual flight rules flight over mountainous terrain into instrument meteorological conditions, which resulted in controlled flight into terrain. Contributing to the accident was the pilot's lack of recent…NTSB WPR15CA128Accident · No injuriesData collectionFinal reportEnstrom F28 - C · Shelby, MTThe pilot's failure to maintain main rotor RPM during a low altitude operation, which resulted in a loss of aircraft control and collision with terrain.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.NTSB WPR15FA062Accident · 1 fatalField investigationFinal reportPiper PA 18-150 · Ronan, MTThe pilot’s failure to maintain clearance from terrain while performing an intentional, abrupt low-level maneuver.NTSB WPR15FA049Accident · 1 fatalField investigationFinal reportCessna 170B · Alzada, MTThe pilot's failure to maintain airplane control while maneuvering, which resulted in a collision with mountainous terrain.NTSB WPR15LA036Accident · Serious injuriesLimited investigationFinal reportChampion 7AC · Darby, MTThe pilot's failure to maintain airspeed while maneuvering in gusting wind conditions, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall.NTSB WPR15CA012Accident · No injuriesData collectionFinal reportCessna 180 · Marion, MTThe pilot's failure to maintain directional control during landing.NTSB WPR14CA384Accident · Minor injuriesData collectionFinal reportBellanca 7GCBC · Meadow Creek, MTThe pilot's inadequate landing flare and failure to maintain aircraft control during landing.NTSB WPR14FA362Accident · 1 fatalField investigationFinal reportCessna 177B · Neihart, MTThe pilot's failure to maintain clearance from terrain while maneuvering at low altitude in turbulent conditions over mountainous terrain. Contributing to the accident was the pilot's improper decision to traverse the mountainous area with the airplane over…NTSB WPR14LA305Accident · 1 fatalLimited investigationFinal reportCessna 150M · Russian Flat, MTThe pilot's inadequate preflight performance planning and his operation of the airplane outside of the manufacturer's specified performance limitations, which resulted in his exceedance of the airplane's critical angle of attack and a subsequent aerodynamic…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 WPR14FA231Accident · 1 fatalField investigationFinal reportGrumman G 21A · Sula, MTThe pilot's decision to continue flight into deteriorating weather conditions in an airplane not maintained for instrument flight, which resulted in a loss of control due to spatial disorientation.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 WPR14LA238Accident · No injuriesLimited investigationFinal reportSkykits Savannah VGW · Helena, MTThe overload failure of the nosewheel fork retaining bolts during landing, which resulted in a nose-over.NTSB WPR14LA233Accident · 1 fatalLimited investigationFinal reportNorth Wing Apache Sport · Polson, MTThe pilot’s loss of airplane control during initial climb due to his experiencing an incapacitating medical event.NTSB WPR14LA232Accident · Minor injuriesLimited investigationFinal reportCessna 150F · Ronan, MTA loss of engine power for reasons that could not be determined due to insufficient evidence.NTSB WPR14LA220Accident · Serious injuriesLimited investigationFinal reportAero Commander Callair A 9B · Gardiner, MTThe pilot’s inadequate preflight planning and his subsequent takeoff with the airplane over its allowable gross weight in high density altitude conditions, which degraded the airplane’s climb performance and led to a subsequent forced landing.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 WPR14CA214Accident · No injuriesData collectionFinal reportOlson Kitfox II · Helena, MTThe pilot's failure to maintain directional control during the landing roll, which resulted in the airplane nosing over.NTSB WPR14LA198Accident · No injuriesLimited investigationFinal reportRockwell International S 2R · Medicine Lake, MTThe pilot’s failure to maintain airplane control and sufficient altitude to clear terrain during a low-altitude maneuver.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 WPR14LA159Accident · Minor injuriesLimited investigationFinal reportBell 206B III · Missoula, MTA dynamic rollover during attempted liftoff.NTSB WPR14CA157Accident · No injuriesData collectionFinal reportRobert A Miller Murphy Rebel Elite · Roundup, MTThe pilot's loss of directional control while landing.NTSB WPR14CA082Accident · No injuriesData collectionFinal reportCubcrafters CC11-160 · Roberts, MTThe pilot's selection of unsuitable terrain during taxi, which resulted in a loss of directional control.NTSB WPR14CA076Accident · No injuriesData collectionFinal reportAviat A-1C-200 · Laural, MTThe pilot's failure to maintain directional control during takeoff with a gusting crosswind, which resulted in the collision with terrain. Contributing to the accident was the pilot's distraction when the door popped open.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 WPR14CA058Accident · No injuriesData collectionFinal reportQuad City Ultralight Acft Challenger II · Kalispell, MTA loss of engine power due to the spark plug coming out of the cylinder head.NTSB WPR14CA041Accident · No injuriesData collectionFinal reportBell 206B · Superior, MTThe pilot's failure to maintain aircraft control while maneuvering during a long-line operation.NTSB WPR14LA023Accident · Minor injuriesLimited investigationFinal reportCessna 172 - M · Hardin, MTA rough-running engine and partial loss of power, which resulted from the pilot’s failure to use carburetor heat appropriately while operating in an area conducive to carburetor icing.NTSB WPR14CA028Accident · No injuriesData collectionFinal reportCessna 180 · Butte, MTThe pilot's failure to maintain directional control of the airplane while landing with a crosswind.NTSB WPR13CA427Accident · No injuriesData collectionFinal reportAviat A-1C-200 · Dell, MTThe pilot's failure to maintain directional control while taxiing in gusting wind conditions.NTSB WPR13CA412Accident · Minor injuriesData collectionFinal reportPiper PA 11 · Bozeman, MTThe pilot's failure to maintain aircraft control and inadequate compensation for the high gusty wind conditions during taxi.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 WPR13CA403Accident · No injuriesData collectionFinal reportMaule M-7-260C · Nashua, MTThe pilot's failure to maintain clearance from a berm during the takeoff, which resulted in a loss of directional control.NTSB WPR13FA368Accident · 1 fatalField investigationFinal reportBeech E35 · West Yellowstone, MTThe pilot's failure to maintain airplane control while aligning the airplane with the runway for landing, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Contributing to the accident was the pilot's…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 WPR13CA362Accident · No injuriesData collectionFinal reportBellanca 7GCBC · West Yellowstone, MTThe pilot's failure to maintain directional control during the takeoff roll, which resulted in a runway excursion and a collision with an approach slope indicator system component.NTSB WPR13LA349Accident · No injuriesLimited investigationFinal reportPiper PA-44-180 · Billings, MTThe pilots’ inadequate landing flare, which resulted in a hard landing and collapse of the left main landing gear.NTSB WPR13FA343Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 II · Thompson Falls, MTThe pilot's failure to maintain helicopter control while operating in conditions conducive to a loss of tail rotor effectiveness.NTSB WPR13CA352Accident · No injuriesData collectionFinal reportCessna 180J · Hungry Horse, MTThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.NTSB WPR13CA325Accident · No injuriesData collectionFinal reportBoeing E75 · Bozeman, MTThe pilot’s failure to maintain adequate airspeed during a turn, which resulted in a loss of lift and collision with terrain.NTSB WPR13CA213Accident · Serious injuriesData collectionFinal reportAviat A-1B · Fort Smith, MTThe pilot's improper decision to land on rough terrain at a high density altitude.NTSB WPR13LA302Accident · No injuriesLimited investigationFinal reportS.N.I.A.S. AS-350B Ecureuil · Hamilton, MTThe loss of engine power during cruise flight due to the fatigue failure of a pneumatic fuel controller pipe. Also causal was maintenance personnel’s failure to adequately maintain the pipe and replace it with a thicker type.NTSB WPR13LA303Accident · Serious injuriesLimited investigationFinal reportBell 206L-3 · Missoula, MTThe pilot's failure to prevent the helicopter from settling with power and to maintain proper position relative to an external load, which resulted in a loss of control and subsequent hard landing.NTSB WPR13FA288Accident · 1 fatalField investigationFinal reportBeech J35 · Helena, MTThe pilot’s failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall/spin and subsequent impact with terrain.NTSB WPR13CA253Accident · No injuriesData collectionFinal reportSchweizer 300C · Hamilton, MTThe student pilot’s failure to maintain helicopter control during a practice autorotation and the flight instructor's delayed remedial action.NTSB WPR13FA208Accident · 1 fatalField investigationFinal reportBell 206B · Shepherd, MTThe pilot’s loss of control while maneuvering during low-altitude operations due to sudden neurological impairment or incapacitation and the helicopter’s subsequent collision with power lines.NTSB WPR13TA205Accident · No injuriesFinal reportBell BHT407 · Big Fork, MTThe pilot’s failure to maintain helicopter control while maneuvering over mountainous terrain in strong up/downdrafts and possible mountain wave activity, which resulted in a loss of tail rotor effectiveness.