# NTSB investigations, MT: Off-field or emergency landing

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 WPR26LA280](https://openairdocs.org/ntsb/WPR26LA280.md): Harmon Rocket II · Glasgow, MT · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 24, 2026 · C-FCPG · Substantial damage
  > The 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 WPR25LA176](https://openairdocs.org/ntsb/WPR25LA176.md): Cessna 182M · Willow Creek, MT · Accident · No injuries · Class 4 · Limited · Final report · Jun 15, 2025 · N71450 · Substantial damage
  > The pilot’s inadequate preflight inspection and fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB WPR24LA271](https://openairdocs.org/ntsb/WPR24LA271.md): Piper PA-18-150 · Manhattan, MT · Accident · No injuries · Class 4 · Limited · Final report · Aug 11, 2024 · N8576Y · Substantial damage
  > A total loss of engine power due to carburetor icing.
- [NTSB WPR24FA132](https://openairdocs.org/ntsb/WPR24FA132.md): Bell 206-L4 · Anaconda, MT · Accident · 1 fatal · Class 3 · Field · Final report · Apr 26, 2024 · N988B · Destroyed
  > A 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 WPR22LA313](https://openairdocs.org/ntsb/WPR22LA313.md): Piper PA-30 · St Ignatius, MT · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 23, 2022 · N4009Y · Substantial damage
  > A partial loss of power during takeoff for undetermined reasons.
- [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 WPR22LA262](https://openairdocs.org/ntsb/WPR22LA262.md): Maule M-5-235C · Three Forks, MT · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2022 · N6224M · Substantial damage
  > A 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 WPR22LA024](https://openairdocs.org/ntsb/WPR22LA024.md): Cessna 182Q · St Ignatius, MT · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 24, 2021 · N25WX · Substantial damage
  > The pilot's improper preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB WPR21LA315](https://openairdocs.org/ntsb/WPR21LA315.md): Bellanca 14-19-3 · Whitefish, MT · Accident · No injuries · Class 4 · Limited · Final report · Aug 10, 2021 · N1257R · Substantial damage
  > A total loss of engine power due to fuel starvation. Contributing to the accident was the pilot’s failure to accomplish a preflight inspection.
- [NTSB WPR19CA069](https://openairdocs.org/ntsb/WPR19CA069.md): Champion 7GCBC · Townsend, MT · Accident · No injuries · Data collection · Final report · Jan 16, 2019 · N822TT · Substantial damage
  > The pilot's failure to maintain airplane control during a precautionary landing on an uneven, soft surface.
- [NTSB WPR18LA145](https://openairdocs.org/ntsb/WPR18LA145.md): Sportavia Putzer RF5B Sperber · Lookout Pass, MT · Accident · Minor injuries · Limited investigation · Final report · May 22, 2018 · N66GL · Substantial damage
  > The pilot’s improper decision to continue flight toward rising terrain after the engine overheated, which necessitated a precautionary landing when the motorglider could not maintain altitude in downdrafts.
- [NTSB GAA18CA240](https://openairdocs.org/ntsb/GAA18CA240.md): Brown Joseph Sportsman GS-2 · Kalispell, MT · Accident · No injuries · Data collection · Final report · Apr 24, 2018 · N454HP · Substantial damage
  > The pilot’s selection of an unsuitable snow-covered airstrip for landing, which resulted in a nose-over.
- [NTSB GAA18CA220](https://openairdocs.org/ntsb/GAA18CA220.md): Piper PA 22 · Shelby, MT · Accident · No injuries · Data collection · Final report · Apr 19, 2018 · N1283C · Substantial damage
  > The pilot’s improper use of the fuel selector, which resulted in fuel starvation to the engine and an off-runway landing.
- [NTSB WPR17LA168](https://openairdocs.org/ntsb/WPR17LA168.md): Robinson Helicopter R44 II · Lake Sutherlin, MT · Accident · No injuries · Limited investigation · Final report · Jul 25, 2017 · N233JD · Substantial damage
  > The 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 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 WPR15LA229](https://openairdocs.org/ntsb/WPR15LA229.md): Cessna TU206G · Saint Ignatius, MT · Accident · No injuries · Limited investigation · Final report · Aug 3, 2015 · N235HM · Substantial damage
  > Maintenance 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 WPR15LA191](https://openairdocs.org/ntsb/WPR15LA191.md): Cessna 180A · Polson, MT · Accident · No injuries · Limited investigation · Final report · Jun 19, 2015 · N9699B · Substantial damage
  > A 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 WPR14LA220](https://openairdocs.org/ntsb/WPR14LA220.md): Aero Commander Callair A 9B · Gardiner, MT · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 2014 · N7292V · Substantial damage
  > The 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 WPR14CA058](https://openairdocs.org/ntsb/WPR14CA058.md): Quad City Ultralight Acft Challenger II · Kalispell, MT · Accident · No injuries · Data collection · Final report · Nov 26, 2013 · N522PE · Substantial damage
  > A loss of engine power due to the spark plug coming out of the cylinder head.
- [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 WPR13LA302](https://openairdocs.org/ntsb/WPR13LA302.md): S.N.I.A.S. AS-350B Ecureuil · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Jul 1, 2013 · N989WC · Substantial damage
  > The 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 WPR13TA205](https://openairdocs.org/ntsb/WPR13TA205.md): Bell BHT407 · Big Fork, MT · Accident · No injuries · Final report · Apr 25, 2013 · N937GR · Substantial damage
  > The 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.
- [NTSB WPR12CA213](https://openairdocs.org/ntsb/WPR12CA213.md): Rotherwick HR Glasair III · Darby, MT · Accident · No injuries · Data collection · Final report · May 17, 2012 · N471B · Substantial damage
  > The pilot’s loss of directional control during an emergency landing on a paved highway.
- [NTSB WPR12LA111](https://openairdocs.org/ntsb/WPR12LA111.md): Enstrom F28 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Feb 20, 2012 · N51727 · Substantial damage
  > A 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 WPR11FA348](https://openairdocs.org/ntsb/WPR11FA348.md): Cessna 210-5(205) · Darby, MT · Accident · Minor injuries · Field investigation · Final report · Jul 22, 2011 · N8427Z · Substantial damage
  > The 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 WPR11LA289](https://openairdocs.org/ntsb/WPR11LA289.md): Lemond FLY Fisher · West Glacier, MT · Accident · Serious injuries · Limited investigation · Final report · Jun 26, 2011 · N397JL · Substantial damage
  > A total loss of engine power during takeoff due to water contamination in the fuel system. Contributing to the accident was the pilot’s inadequate preflight inspection of the airplane.
- [NTSB WPR11LA288](https://openairdocs.org/ntsb/WPR11LA288.md): Air Tractor AT-502 · Lewistown, MT · Accident · No injuries · Limited investigation · Final report · Jun 25, 2011 · N1022N · Substantial damage
  > The fatigue fracture and separation of the fuel bypass line, which resulted in a total loss of engine power.
- [NTSB WPR11CA286](https://openairdocs.org/ntsb/WPR11CA286.md): Air Tractor AT301 · Circle, MT · Accident · No injuries · Data collection · Final report · Jun 24, 2011 · N2362D · Substantial damage
  > The pilot's failure to attain and maintain an adequate airspeed during initial climb.
- [NTSB WPR11CA296](https://openairdocs.org/ntsb/WPR11CA296.md): Cessna 188 · Glasgow, MT · Accident · Minor injuries · Data collection · Final report · Jun 14, 2011 · N9802V · Substantial damage
  > The pilot's improper fuel management, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB WPR10LA343](https://openairdocs.org/ntsb/WPR10LA343.md): Ercoupe 415 · Whitehall, MT · Accident · No injuries · Limited investigation · Final report · Jul 9, 2010 · N87349 · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB WPR10LA003](https://openairdocs.org/ntsb/WPR10LA003.md): Mateskon Fisher DAK · Bozeman, MT · Accident · Minor injuries · Limited investigation · Final report · Oct 3, 2009 · N359JM · Substantial damage
  > A 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 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 WPR09CA092](https://openairdocs.org/ntsb/WPR09CA092.md): Ryan Navion · Three Forks, MT · Accident · No injuries · Data collection · Final report · Jan 19, 2009 · N4443K · Substantial damage
  > A 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 LAX08LA212](https://openairdocs.org/ntsb/LAX08LA212.md): Cessna 150F · Kalispell, MT · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2008 · N8647G · Destroyed
  > A 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.

## 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" = '440' 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/440/sequence?state=MT

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