# NTSB investigations, MT: Loss of engine power (partial)

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR26LA335](https://openairdocs.org/ntsb/WPR26LA335.md): Cessna 210 · Polson, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 10, 2026 · N9517T · Substantial damage
  > On September 10, 2026, about 1005 mountain daylight time, a Cessna 210, N9517T, was substantially damaged when it was involved in an accident near Polson Airport (8S1), Polson, Montana. The student pilot was not injured. The airplane was operated as a Title…
- [NTSB WPR26LA020](https://openairdocs.org/ntsb/WPR26LA020.md): Piper PA-23-250 · Condon, MT · Accident · 3 fatal · Class 3 · Limited · Preliminary report · Oct 17, 2025 · N2345R · Substantial damage
  > On October 17, 2025, about 1615 mountain daylight time, a Piper PA-23-250, N2345R, was substantially damaged when it was involved in an accident near Condon, Montana. The pilot and two passengers were fatally injured. The airplane was operated as a Title 14…
- [NTSB WPR23LA307](https://openairdocs.org/ntsb/WPR23LA307.md): Boeing A75N1(PT17) · Red Lodge, MT · Accident · No injuries · Class 3 · Limited · Final report · Aug 8, 2023 · N56907 · Substantial damage
  > A partial loss of engine power during the initial climb out due to improper maintenance of the magneto.
- [NTSB WPR23FA244](https://openairdocs.org/ntsb/WPR23FA244.md): Curtiss Wright P-40E · Hamilton, MT · Accident · 1 fatal · Class 3 · Field · Final report · Jun 27, 2023 · N4420K · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB WPR23LA175](https://openairdocs.org/ntsb/WPR23LA175.md): Cessna P337H · Laurel, MT · Accident · Minor injuries · Class 3 · Limited · Final report · May 3, 2023 · N62PC · Substantial damage
  > A partial loss of engine power to the rear engine resulting from cylinder detonation for undetermined reasons, which resulted in a forced landing and impact with terrain.
- [NTSB WPR22LA301](https://openairdocs.org/ntsb/WPR22LA301.md): Piper PA-28-140 · Laurel, MT · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 11, 2022 · N5780F · Substantial damage
  > The loss of climb performance due to undetermined reasons.
- [NTSB WPR20LA308](https://openairdocs.org/ntsb/WPR20LA308.md): Piper PA 30 · Billings, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 12, 2020 · N7602Y · Substantial damage
  > The pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB WPR20LA235](https://openairdocs.org/ntsb/WPR20LA235.md): Mcdonnell Douglas 600 · Thompson Falls, MT · Accident · No injuries · Class 3 · Limited · Final report · Jul 21, 2020 · N208MP · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB WPR20LA068](https://openairdocs.org/ntsb/WPR20LA068.md): Cessna 172Q · Big Timber, MT · Accident · No injuries · Class 3 · Limited · Final report · Jan 17, 2020 · N96145 · Substantial damage
  > A loss of engine power during climbout for undetermined reasons.
- [NTSB WPR17LA046](https://openairdocs.org/ntsb/WPR17LA046.md): Softex Invest V-24L · Paradise, MT · Accident · Serious injuries · Limited investigation · Final report · Jan 3, 2017 · N710XP · Substantial damage
  > A 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 WPR14LA269](https://openairdocs.org/ntsb/WPR14LA269.md): Piper PA 30 · Kalispell, MT · Accident · Minor injuries · Limited investigation · Final report · Jun 25, 2014 · N7350Y · Substantial damage
  > The 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 WPR14LA232](https://openairdocs.org/ntsb/WPR14LA232.md): Cessna 150F · Ronan, MT · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 2014 · N3376B · Substantial damage
  > A loss of engine power for reasons that could not be determined due to insufficient evidence.
- [NTSB WPR14LA023](https://openairdocs.org/ntsb/WPR14LA023.md): Cessna 172 - M · Hardin, MT · Accident · Minor injuries · Limited investigation · Final report · Oct 21, 2013 · N80257 · Substantial damage
  > A 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 WPR12LA263](https://openairdocs.org/ntsb/WPR12LA263.md): Cessna A185F · Winnett, MT · Accident · No injuries · Limited investigation · Final report · Jun 13, 2012 · CG-ZVF · Substantial damage
  > A momentary loss of engine power, which led to an emergency descent at night during which the airplane collided with a wire. The reason for the loss of engine power could not be determined because postaccident examination and operation did not reveal any…
- [NTSB WPR12LA092](https://openairdocs.org/ntsb/WPR12LA092.md): Piper PA-28R-201T · Kalispell, MT · Accident · Minor injuries · Limited investigation · Final report · Feb 4, 2012 · N38906 · Substantial damage
  > The partial loss of engine power due to magneto malfunction. Contributing to the accident was the lack of adherence to the manufacturer’s recommended magneto overhaul schedule.
- [NTSB WPR11LA386](https://openairdocs.org/ntsb/WPR11LA386.md): Air Tractor AT-401 · Hardin, MT · Accident · No injuries · Limited investigation · Final report · Aug 16, 2011 · N1012T · Substantial damage
  > The loss of engine power during takeoff due to the fatigue failure of the turbine wheel blades, which resulted from inadequate maintenance and inspections.
- [NTSB CEN10LA496](https://openairdocs.org/ntsb/CEN10LA496.md): Cessna 182T · Mosby, MT · Accident · No injuries · Limited investigation · Final report · Aug 18, 2010 · N1142U · Substantial damage
  > A partial loss of engine power for undetermined reasons during an en route climb.
- [NTSB WPR09LA179](https://openairdocs.org/ntsb/WPR09LA179.md): Cessna 182 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Apr 4, 2009 · N6433A · Substantial damage
  > A 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 DCA09IA014](https://openairdocs.org/ntsb/DCA09IA014.md): Boeing 777 · Bozeman, MT · Incident · No injuries · Incident investigation · Final report · Nov 26, 2008 · N862DA · No damage
  > An 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.…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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" = '342' 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
```

This list as a web page: https://openairdocs.org/ntsb-events/342/sequence?state=MT

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