NTSB investigations, MT
23 cases where the sequence of events included Loss of engine power (total).
Cases per year
| 2009 | 1 |
|---|---|
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 2 |
| 2015 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
| 2026 | 3 |
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '341' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '341' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) 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 WPR26LA280Accident · Serious injuriesClass 4 · LimitedFinal reportHarmon Rocket II · Glasgow, MTThe pilot’s inadvertent selection of the fuel selector valve to the OFF position resulted in a total loss of engine power due to fuel starvation and subsequent forced landing to a field.NTSB WPR26LA155Accident · Minor injuriesClass 3 · LimitedPreliminary reportAero Vodochody L-39 · Ennis, MTOn April 10, 2026, about 1210 mountain daylight time, an Aero Vodochody L 39, N136EM, was substantially damaged when it was involved in an accident near Ennis, Montana. The flight instructor sustained minor injuries, and the pilot undergoing instruction was…NTSB WPR26LA152Accident · No injuriesClass 3 · LimitedPreliminary reportJust Highlander · Great Falls, MTOn April 8, 2026, about 1106 mountain daylight time, an experimental amateur built Just Aircraft Highlander, N563JA, was substantially damaged when it was involved in an accident near Great Falls, Montana. The pilot was not injured. The airplane was operated…NTSB WPR24LA271Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Manhattan, MTA total loss of engine power due to carburetor icing.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 WPR22LA293Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-301 · Circle, MTThe loss of engine power due to carburetor ice. Contributing to the accident was the pilot’s failure to use carburetor heat.NTSB WPR22LA262Accident · No injuriesClass 3 · LimitedFinal reportMaule M-5-235C · Three Forks, MTA loss of engine power due to degraded and incorrectly maintained ignition system components. Contributing to the accident was the pilot’s delay in turning the airplane towards the runway when the engine began to lose power.NTSB WPR21LA313Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 425 · Helena, MTA flameout of both engines due to fuel starvation for reasons that could not be determined due to the airplane’s damage.NTSB WPR21LA315Accident · No injuriesClass 4 · LimitedFinal reportBellanca 14-19-3 · Whitefish, MTA total loss of engine power due to fuel starvation. Contributing to the accident was the pilot’s failure to accomplish a preflight inspection.NTSB WPR20LA308Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA 30 · Billings, MTThe pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.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 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 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 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 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 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 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 WPR12LA111Accident · No injuriesLimited investigationFinal reportEnstrom F28 · Kalispell, MTA total loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR11FA348Accident · Minor injuriesField investigationFinal reportCessna 210-5(205) · Darby, MTThe fatigue failure of the aluminum air intake duct, which resulted in material being ingested into the engine cylinders and a subsequent loss of engine power during cruise flight.NTSB WPR11LA288Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Lewistown, MTThe fatigue fracture and separation of the fuel bypass line, which resulted in a total loss of engine power.NTSB WPR10LA343Accident · No injuriesLimited investigationFinal reportErcoupe 415 · Whitehall, MTA loss of engine power for undetermined reasons.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 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.