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 WPR10FA330Accident · 4 fatalField investigationFinal reportPiper PA-28R-180 · Dixon, MTThe pilot’s failure to maintain adequate airspeed and aircraft control while maneuvering, resulting in an aerodynamic stall and collision with mountainous terrain.NTSB WPR10CA303Accident · No injuriesData collectionFinal reportStinson 108-1 · Townsend, MTThe pilot's failure to maintain directional control during the landing roll.NTSB WPR10FA273Accident · 2 fatalField investigationFinal reportPiper PA-34-220T · Lincoln, MTThe pilot’s decision to continue flight into an area of low ceilings and low visibility and his failure to maintain sufficient clearance from mountainous terrain.NTSB WPR10LA180Accident · No injuriesLimited investigationFinal reportPiper PA-22-150 · Terry, MTThe pilot's failure to maintain directional control during the landing roll in gusting winds. Contributing to the accident was a loss of engine power on final approach due to fuel exhaustion as a result of the pilot having to divert due to deteriorating…NTSB WPR10CA100Accident · No injuriesData collectionFinal reportBell 206B · Kalispell, MTThe pilot's failure to maintain lateral drift control during landing.NTSB WPR10CA024Accident · No injuriesData collectionFinal reportCessna A185F · Sand Coulee, MTThe pilot's failure to maintain directional control during landing with a crosswind.NTSB WPR10FA018Accident · 2 fatalField investigationFinal reportCessna 182 · Pryor, MTThe pilot’s decision to continue flight into an area of low ceilings and low visibility and his failure to maintain clearance from terrain.NTSB WPR10LA003Accident · Minor injuriesLimited investigationFinal reportMateskon Fisher DAK · Bozeman, MTA loss of engine power due to shearing of the crankshaft gear cluster bolts. Contributing to the accident was the lack of regular overhaul periods as recommended by the engine manufacturer.NTSB WPR09CA443Accident · No injuriesData collectionFinal reportCessna 305A · Helena, MTThe pilot's improper landing flare and recovery from a bounced landing.NTSB WPR09CA435Accident · No injuriesData collectionFinal reportPiper PA-20 · Bozeman, MTThe failure of the pilot receiving instruction to maintain directional control during the takeoff roll and the flight instructor's delayed corrective action.NTSB WPR09CA421Accident · No injuriesData collectionFinal reportMeyer Robert AIR CAM · Hamilton, MTThe separation of the right main landing gear wheel due to the flight's encounter with soft terrain while landing on an unimproved river sandbar. Contributing to the accident was the pilot's decision to attempt a landing on an unimproved off-airport surface.NTSB WPR09CA388Accident · No injuriesData collectionFinal reportAeronca 7AC · Broadus, MTThe pilot’s failure to maintain sufficient airspeed during low altitude maneuvering, which resulted in an inadvertent stall.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 WPR09LA286Accident · Serious injuriesLimited investigationFinal reportWermling KR-2 Rand Robinson · Anaconda, MTThe non-certificated pilot’s failure to maintain airspeed and aircraft control during initial climb resulting in a stall/spin.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 WPR09LA179Accident · No injuriesLimited investigationFinal reportCessna 182 · Kalispell, MTA partial loss of engine power during a go-around for undetermined reasons. Contributing to the accident was a fatigue failure of the right main landing gear spring.NTSB WPR09FA176Accident · 1 fatalField investigationFinal reportMaule M-4-220C · Hungry Horse, MTThe pilot's improper decision to continue flight into an area of reduced visibility and snow showers during cruise flight, which resulted in the pilot's spatial disorientation and subsequent loss of aircraft control.NTSB WPR09MA159Accident · 14 fatalClass 1 · MajorFinal reportPilatus PC-12/45 · Butte, MT(1) the pilot's failure to ensure that a fuel system icing inhibitor was added to the fuel before the flights on the day of the accident; (2) his failure to take appropriate remedial actions after a low fuel pressure state (resulting from icing within the…NTSB WPR09FA154Accident · 1 fatalField investigationFinal reportCessna 180F · Townsend, MTThe pilot's failure to maintain clearance from trees and terrain while maneuvering at a low altitude.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 WPR09CA092Accident · No injuriesData collectionFinal reportRyan Navion · Three Forks, MTA total loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel system management. Contributing to the accident were the pilot's diverted attention and failure to perform the prelanding checklist.NTSB WPR09CA063Accident · No injuriesData collectionFinal reportCessna 180C · Great Falls, MTThe pilot's failure to maintain directional control during the landing roll.NTSB DCA09IA014Incident · No injuriesIncident investigationFinal reportBoeing 777 · Bozeman, MTAn accumulation of ice in the fuel system, which formed from the water normally present in jet fuel during commonly encountered flight conditions, which accreted and released, restricting the fuel flow at the right engine fuel-oil heat exchanger inlet face.…NTSB SEA08CA201Accident · No injuriesData collectionFinal reportStinson 108-1 · Kalispell, MTThe pilot's failure to maintain directional control of the airplane during 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.NTSB LAX08LA284Accident · No injuriesLimited investigationFinal reportCessna TR182 · Spotted Bear, MTThe pilot's inadequate compensation for the variable wind conditions and failure to maintain adequate airspeed during landing.NTSB SEA08CA169Accident · No injuriesData collectionFinal reportBellanca 7GCBC · Helena, MTThe failure of the pilot receiving instruction to adequately compensate for the crosswind condition and failure to maintain directional control. Also causal was the flight instructor's delayed remedial action and inadequate supervision of the flight.NTSB SEA08CA166Accident · No injuriesData collectionFinal reportCessna 180 · Lewistown, MTThe pilot's inadequate compensation for the variable and gusting winds, and his failure to maintain directional control. Contributing to the accident were variable winds that were gusting to 25 knots.NTSB LAX08CA220Accident · Serious injuriesData collectionFinal reportDavid Jarrett Searey · Ennis Lake, MTThe pilot's failure to retract the landing gear prior to landing on the water.NTSB LAX08LA212Accident · Serious injuriesLimited investigationFinal reportCessna 150F · Kalispell, MTA partial loss of engine power during initial climb due to fuel system contamination by a foreign substance. Contributing to the accident was the uneven terrain.NTSB LAX08CA173Accident · Minor injuriesData collectionFinal reportBeech A36 · Ryegate, MTThe pilot's failure to abort the takeoff when the ground roll acceleration profile was determined to be insufficient for takeoff. Contributing to the accident was the shifting wind conditions.NTSB LAX08CA182Accident · Minor injuriesData collectionFinal reportRobinson R44 II · Missoula, MTThe student's inadvertent control interference, which the flight instructor was unable to overcome. A contributing factor was the instructor's poor crew coordination in his failure to verbally command the student to relinquish the controls and his inadequate…NTSB SEA08FA135Accident · 1 fatalField investigationFinal reportBeech 1900C · Billings, MTThe pilot's failure to maintain aircraft control during the initial climb for undetermined reasons.NTSB LAX08LA154Accident · 1 fatalLimited investigationFinal reportMaule MX-7-235 · Boulder, MTThe pilot's decision to continue flight at low altitude in instrument weather conditions and his failure to maintain clearance from a power line. Contributing to the accident were low cloud and visibility conditions.NTSB SEA08CA132Accident · No injuriesData collectionFinal reportCessna 172 · Big Timber, MTThe student pilot's failure to maintain an adequate airspeed during landing which resulted in a stall.NTSB SEA08CA121Accident · No injuriesData collectionFinal reportExtra Flugzeugbau EA300/L · Great Falls, MTThe pilot's misjudged landing flare. A contributing factor was the glare from the sun.NTSB SEA08CA118Accident · Minor injuriesData collectionFinal reportStinson 108-3 · Libby, MTThe pilot's inadequate compensation for the crosswind gusts and failure to maintain directional control during the landing rollout.NTSB SEA08CA102Accident · No injuriesData collectionFinal reportPiper PA-22/20 · Three Forks, MTThe pilot's inadequate compensation for wind conditions during landing. A gusting crosswind was a contributing factor.NTSB SEA08LA095Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-181 · Bridger, MTThe pilot failed to maintain situational awareness during the flight. Contributing to the accident were the dark night, the pilot's failure to follow approved navigational procedures for the flight, and the pilot's over reliance on the avionics in the…NTSB LAX08CA062Accident · No injuriesData collectionFinal reportPiper PA-32-300 · Kalispell, MTThe pilot's failure to maintain alignment with the runway while landing and executing a go-around.NTSB SEA08CA074Accident · No injuriesData collectionFinal reportMaule M-7-235 · Red Lodge, MTThe pilot's inadequate compensation for the crosswind and failure to maintain directional control during the landing roll.NTSB SEA08LA048Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Bridger, MTThe landing gear collapsed during landing for undetermined reasons.NTSB SEA08LA043Accident · No injuriesLimited investigationFinal reportBell UH-1B · Ennis, MTThe loss of collective control friction during takeoff that resulted in a collective bounce oscillation. Contributing to the accident was the pilot's failure to maintain aircraft control during the aborted takeoff and the snow covered terrain.NTSB SEA08CA010Accident · No injuriesData collectionFinal reportWelch RV-9 · Bigfork, MTFuel starvation while on downwind for landing. The pilot's inadequate in-flight fuel management planning was a factor.NTSB SEA08CA009Accident · No injuriesData collectionFinal reportPiper PA-22/20 · Townsend, MTThe private pilot/student failed to maintain directional control during the landing roll, and remedial action was not possible by the flight instructor which resulted in an inadvertent ground loop.NTSB SEA08FA006Accident · 2 fatalField investigationFinal reportCessna 310N · Ekalaka, MTThe pilot's improper in-flight planning/decision, his continued flight into adverse weather (icing conditions), and failure to maintain an adequate airspeed during the emergency descent for landing. Contributing to the accident were the forecast icing…NTSB LAX07CA288Accident · No injuriesData collectionFinal reportBellanca 7GCBC · Laurel, MTCorrosion and fatigue-induced failure of the landing gear structure.NTSB LAX07CA279Accident · No injuriesData collectionFinal reportCessna 172L · Helena, MTunexpected collision with birds on short final that damaged the airplane wing structure.NTSB LAX07LA240Accident · No injuriesLimited investigationFinal reportLuscombe 8E · Polson, MTa flight control jam for undetermined reasons.NTSB SEA07CA220Accident · No injuriesData collectionFinal reportHughes 269C · Three Forks, MTThe student pilot's failure to maintain control of the aircraft during autorotation. The flight instructor's inadequate supervision was a factor.