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 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 WPR18LA118Accident · No injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 42 NG · Bozeman, MTThe student pilot and flight instructor's failure to see and avoid the stationary airplane during taxi, which resulted in a ground collision.NTSB WPR18LA076Accident · Serious injuriesClass 3 · LimitedFinal reportBuckeye Industries Dream Machine 582 · Chester, MTThe pilot's failure to maintain adequate clearance from powerlines.NTSB GAA17CA572Accident · No injuriesData collectionFinal reportCub Crafters CC19-180 · Kalispell, MTThe pilot’s inadvertent brake application during the landing roll, which resulted in a loss of directional control.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 WPR17LA168Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Lake Sutherlin, MTThe pilot’s transition into an out-of-ground-effect hover in high-density altitude conditions that exceeded the helicopter’s performance capabilities, which resulted in loss of rotor rpm.NTSB GAA17CA434Accident · No injuriesData collectionFinal reportRobinson Helicopter R22 · Bozeman, MTThe flight instructor’s unstabilized autorotation, which resulted in a hard landing.NTSB WPR17LA145Accident · Serious injuriesLimited investigationFinal reportPiper L 21B · Big Timber, MTThe pilot's decision to fly at low altitude in the vicinity of power lines, which resulted in a wire strike.NTSB WPR17LA143Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Ronan, MTThe pilot's failure to maintain adequate airspeed, which resulted in a loss of tail rotor effectiveness during a low-altitude orbiting maneuver and a subsequent hard landing.NTSB GAA17CA225Accident · No injuriesData collectionFinal reportWeatherly 620B · Lewistown, MTThe pilot’s failure to maintain altitude during low-altitude maneuvers in flat light conditions.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 WPR17LA080Accident · No injuriesLimited investigationFinal reportMaxcy Christopher L Stol King · Bozeman, MTThe pilot's failure to maintain directional control during landing.NTSB WPR17LA064Accident · Minor injuriesLimited investigationFinal reportBeech A36TC · Stevensville, MTThe pilot's decision to conduct a takeoff with a tailwind on an upsloping runway in an overweight airplane, which resulted in the airplane having insufficient energy to climb out of ground effect.NTSB WPR17LA056Accident · No injuriesLimited investigationFinal reportBeech 99 · Billings, MTThe fatigue failure of the left main landing gear (MLG) actuator piston rod, which prevented the hydraulic system from producing pressure to control the MLG’s position and led to the right MLG collapsing during 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 WPR17LA031Accident · No injuriesLimited investigationFinal reportPiper PA 31T · Missoula, MTFailure of the left windshield due to moisture ingression into the windshield laminate, which deteriorated the strength of the windshield.NTSB WPR17IA007Incident · No injuriesIncident investigationFinal reportShort Bros SD3 60 Sherpa · Missoula, MTThe failure of the nose landing gear down-lock piston to engage due to paint accumulation, which resulted in a nose landing gear collapse during landing. Also causal was the failure of the facility that performed the painting to comply with manufacturer…NTSB WPR16FA182Accident · 3 fatalField investigationFinal reportBeech 95 B55 (T42A) · Broadus, MTThe airplane's departure from cruise flight for reasons that could not be determined based on the available information.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 WPR16FA170Accident · 2 fatalField investigationFinal reportCessna 182 · Clinton, MTThe sudden right turn on approach to landing for reasons that could not be determined because postaccident examination did not reveal any anomalies 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 GAA16CA406Accident · No injuriesData collectionFinal reportCessna 177 · Kalispell, MTThe airplane's hard landing during an aborted takeoff, following an encounter with a downdraft during takeoff initial climb from a remote mountain airstrip, resulting in an uncontrolled descent, attempt to land on the runway remaining, and subsequent nose…NTSB WPR16CA145Accident · Minor injuriesData collectionFinal reportBeech 19A · Helena, MTThe pilot's failure to reposition the fuel selector valve to the on position prior to takeoff resulting in a loss of engine power due to fuel starvation. Contributing to the accident was the pilot's failure to properly complete the pre-takeoff checklist.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 WPR16LA171Accident · No injuriesClass 3 · LimitedFinal reportCessna 310R · Schafer Meadows, MTA loss of directional control while landing, which resulted in a runway excursion and landing gear collapse for reasons that could not be determined.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 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 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 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 GAA16CA097Accident · No injuriesData collectionFinal reportCessna 175 · Seeley Lake, MTThe pilot' failure to identify the plowed runway width in dusk and flat light conditions, which resulted in a touchdown left of the runway center, an impact with a snow berm, and a ground loop.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 DCA16CA030Accident · Serious injuriesData collectionFinal reportAirbus A319 115 · Great Falls, MTan encounter with turbulence during initial descent.NTSB GAA16CA023Accident · Serious injuriesData collectionFinal reportCessna 140 · Fort Benton, MTA hard landing which resulted in a loss of directional control, main landing gear collapse, and damage to the left wing spar.NTSB WPR16FA012Accident · 1 fatalField investigationFinal reportBucker Jungmeister BU 133 · Missoula, MTThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack while executing a return to the runway after takeoff, which resulted in an aerodynamic stall/spin. Contributing to the accident was the pilot’s…NTSB WPR15FA247Accident · 2 fatalField investigationFinal reportCessna 172P · Townsend, MTThe non-instrument-rated pilot's decision to conduct a cross-country flight over a mountain range in dark night conditions with limited night flight experience, which resulted in a collision with mountainous 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 WPR15LA246Accident · No injuriesLimited investigationFinal reportTaylorcraft BC12 D · Libby, MTThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion.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 GAA15CA174Accident · No injuriesData collectionFinal reportPilatus PC12 · Belgrade, MTThe pilot's improper use of pitch control during an instructional maneuver, which resulted in a tail strike during landing.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 WPR15LA191Accident · No injuriesLimited investigationFinal reportCessna 180A · Polson, MTA total loss of engine power during approach for reasons that could not be determined because postaccident examination revealed no anomalies that would have precluded normal operation.NTSB GAA15CA121Accident · No injuriesData collectionFinal reportCessna P210N · Bozeman, MTThe pilot's failure to complete the required before landing checks, resulting in the execution of a gear up landing causing substantial damage to the lower fuselage of the airplane.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 GAA15CA089Accident · No injuriesData collectionFinal reportCessna 188 · Polson, MTThe pilot's failure to maintain airplane pitch, power, and turn coordination while maneuvering at low altitude, resulting in an aerodynamic stall and a collision with terrain.NTSB ANC15LA076Accident · No injuriesClass 3 · LimitedFinal reportAirbus AS-350 · Hamilton, MTThe pilot's excessive collective application during an autorotation. Contributing to the accident was the flight instructor's inadequate supervision of the training flight.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.