# NTSB investigations: Continental O-470 series, MT

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.

Page 1 of 3 · 148 cases

## Latest cases

- [NTSB WPR27LA017](https://openairdocs.org/ntsb/WPR27LA017.md): Cessna 180H · Lewistown, MT · Accident · No injuries · Class 4 · Limited · Investigation open · Oct 9, 2026 · N1037V · Substantial damage
- [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 WPR25LA151](https://openairdocs.org/ntsb/WPR25LA151.md): Stinson 108-3 · Port of Del Bonita, MT · Accident · No injuries · Class 4 · Limited · Final report · May 5, 2025 · N108RM · Substantial damage
  > The pilot’s loss of directional control while landing in gusting wind conditions.
- [NTSB WPR24FA270](https://openairdocs.org/ntsb/WPR24FA270.md): Cessna 182K · Augusta, MT · Accident · 3 fatal · Class 3 · Field · Final report · Aug 8, 2024 · N2764Q · Substantial damage
  > The non-instrument-rated pilot’s decision to continue a visual flight rules flight into a rugged mountain area in deteriorating weather conditions, which resulted in impact with terrain.
- [NTSB WPR24LA152](https://openairdocs.org/ntsb/WPR24LA152.md): Cessna 182H · Three Forks, MT · Accident · No injuries · Class 4 · Limited · Final report · May 10, 2024 · N2388X · Substantial damage
  > The pilot’s inadequate preflight inspection, which resulted in an attempted departure with the flight control lock device installed, and subsequent nose landing gear collapse.
- [NTSB WPR22LA337](https://openairdocs.org/ntsb/WPR22LA337.md): Cessna 180 · Seeley Lake, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 3, 2022 · N3135D · Substantial damage
  > The loss of engine power due to fuel starvation as a result of unporting of the fuel.
- [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 WPR22LA016](https://openairdocs.org/ntsb/WPR22LA016.md): Cessna 180H · Kalispell, MT · Accident · No injuries · Class 3 · Limited · Final report · Oct 12, 2021 · N926LL · Substantial damage
  > The pilot’s failure to maintain directional control during landing, which resulted in a ground loop and a runway excursion.
- [NTSB WPR21LA096](https://openairdocs.org/ntsb/WPR21LA096.md): Heckel Super Sportsman · Spotted Bear, MT · Accident · No injuries · Class 4 · Limited · Final report · Jan 24, 2021 · N55BT · Substantial damage
  > The pilot’s failure to maintain aircraft control during the landing roll on an unimproved snow-covered runway which resulted in a nose-over.
- [NTSB WPR19FA209](https://openairdocs.org/ntsb/WPR19FA209.md): Cessna 182 · Wolf Point, MT · Accident · 2 fatal · Class 3 · Field · Final report · Aug 5, 2019 · N3469R · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack while maneuvering to land, which resulted in an accelerated aerodynamic stall and subsequent loss of control.
- [NTSB WPR19LA055](https://openairdocs.org/ntsb/WPR19LA055.md): Cessna 180 · Townsend, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 2, 2019 · N4934A · Substantial damage
  > The pilot’s failure to maintain clearance from power lines while maneuvering at low level, which resulted in a wire strike and subsequent impact with terrain.
- [NTSB GAA18CA404](https://openairdocs.org/ntsb/GAA18CA404.md): Cessna 180 · Cut Bank, MT · Accident · No injuries · Data collection · Final report · Jul 9, 2018 · N180GB · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB GAA17CA529](https://openairdocs.org/ntsb/GAA17CA529.md): Cessna 182 · Fairfield, MT · Accident · Minor injuries · Data collection · Final report · Sep 7, 2017 · N735KQ · Destroyed
  > The 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 WPR16FA170](https://openairdocs.org/ntsb/WPR16FA170.md): Cessna 182 · Clinton, MT · Accident · 2 fatal · Field investigation · Final report · Aug 28, 2016 · N9936T · Destroyed
  > The 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 GAA16CA353](https://openairdocs.org/ntsb/GAA16CA353.md): Cessna 182 · Hungry Horse, MT · Accident · Minor injuries · Data collection · Final report · Jul 2, 2016 · N42469 · Substantial damage
  > The 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 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 GAA15CA089](https://openairdocs.org/ntsb/GAA15CA089.md): Cessna 188 · Polson, MT · Accident · No injuries · Data collection · Final report · May 26, 2015 · N53141 · Substantial damage
  > The 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 WPR15CA012](https://openairdocs.org/ntsb/WPR15CA012.md): Cessna 180 · Marion, MT · Accident · No injuries · Data collection · Final report · Oct 2, 2014 · N156JM · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB WPR14CA028](https://openairdocs.org/ntsb/WPR14CA028.md): Cessna 180 · Butte, MT · Accident · No injuries · Data collection · Final report · Oct 21, 2013 · N156JM · Substantial damage
  > The pilot's failure to maintain directional control of the airplane while landing with a crosswind.
- [NTSB WPR13CA352](https://openairdocs.org/ntsb/WPR13CA352.md): Cessna 180J · Hungry Horse, MT · Accident · No injuries · Data collection · Final report · Jul 26, 2013 · N9286C · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB WPR13FA183](https://openairdocs.org/ntsb/WPR13FA183.md): Cessna 182C · Circle, MT · Accident · 1 fatal · Field investigation · Final report · Apr 6, 2013 · N8721T · Destroyed
  > The pilot’s failure to maintain airplane control as a result of spatial disorientation. Contributing to the accident was the pilot’s decision to continue flight into low visibility conditions.
- [NTSB WPR12CA266](https://openairdocs.org/ntsb/WPR12CA266.md): Cessna 182H · Meadow Creek, MT · Accident · No injuries · Data collection · Final report · Jun 16, 2012 · N2424X · Substantial damage
  > The pilot's misjudged approach and improper landing flare, which resulted in a hard landing.
- [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 WPR11CA109](https://openairdocs.org/ntsb/WPR11CA109.md): Cessna 180H · Helena, MT · Accident · No injuries · Data collection · Final report · Jan 26, 2011 · N9067M · Substantial damage
  > The certified flight instructor's loss of airplane control during the landing roll in a gusting crosswind.
- [NTSB WPR10FA438](https://openairdocs.org/ntsb/WPR10FA438.md): Cessna 182C · Belgrade, MT · Accident · 1 fatal · Field investigation · Final report · Aug 30, 2010 · N8957T · Substantial damage
  > The non-instrument rated pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in a loss of airplane control.
- [NTSB WPR10CA333](https://openairdocs.org/ntsb/WPR10CA333.md): Cessna 180 · Missoula, MT · Accident · No injuries · Data collection · Final report · Jul 1, 2010 · N3642C · Substantial damage
  > The pilot's inadequate compensation for the crosswind conditions and failure to maintain directional control during the landing roll.
- [NTSB WPR10FA018](https://openairdocs.org/ntsb/WPR10FA018.md): Cessna 182 · Pryor, MT · Accident · 2 fatal · Field investigation · Final report · Oct 13, 2009 · N6202A · Substantial damage
  > The pilot’s decision to continue flight into an area of low ceilings and low visibility and his failure to maintain clearance from terrain.
- [NTSB WPR09CA443](https://openairdocs.org/ntsb/WPR09CA443.md): Cessna 305A · Helena, MT · Accident · No injuries · Data collection · Final report · Sep 11, 2009 · N119WW · Substantial damage
  > The pilot's improper landing flare and recovery from a bounced landing.
- [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 WPR09FA154](https://openairdocs.org/ntsb/WPR09FA154.md): Cessna 180F · Townsend, MT · Accident · 1 fatal · Field investigation · Final report · Mar 17, 2009 · N2698Y · Substantial damage
  > The pilot's failure to maintain clearance from trees and terrain while maneuvering at a low altitude.
- [NTSB SEA08CA166](https://openairdocs.org/ntsb/SEA08CA166.md): Cessna 180 · Lewistown, MT · Accident · No injuries · Data collection · Final report · Jul 20, 2008 · N1710C · Substantial damage
  > The 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 SEA07FA119](https://openairdocs.org/ntsb/SEA07FA119.md): Cessna 182C · Marion, MT · Accident · 5 fatal · Field investigation · Final report · May 12, 2007 · N8771T · Substantial damage
  > The pilot’s failure to maintain aircraft control while maneuvering to reverse direction. Factors included the airplane exceeding its maximum gross takeoff weight, the improper preflight by the pilot by not securing an oil cap, the low altitude, and an…
- [NTSB SEA06CA183](https://openairdocs.org/ntsb/SEA06CA183.md): Cessna 305A · Lewistown, MT · Accident · No injuries · Data collection · Final report · Sep 13, 2006 · N5074H · Substantial damage
  > The pilot's failure to maintain aircraft control during landing, which resulted in an inadvertent swerve and nose down. A contributing factor was the gusty wind condition.
- [NTSB SEA06CA155](https://openairdocs.org/ntsb/SEA06CA155.md): Cessna 180H · Belgrade, MT · Accident · No injuries · Data collection · Final report · Aug 3, 2006 · N7955V · Substantial damage
  > The pilot's failure to maintain directional control while landing.
- [NTSB SEA04CA142](https://openairdocs.org/ntsb/SEA04CA142.md): Cessna 182N · Bainville, MT · Accident · No injuries · Data collection · Final report · Jul 24, 2004 · N92824 · Substantial damage
  > The pilot's misjudgment of his airspeed on landing, and his subsequent overrunning of the runway. A contributing factor was the trees.
- [NTSB SEA04LA061](https://openairdocs.org/ntsb/SEA04LA061.md): Cessna 305A · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Mar 31, 2004 · N5210G · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in the tail wheel-equipped aircraft, leading to an inadvertent ground-loop, during which the aircraft's wing impacted the ground.
- [NTSB SEA04FA032](https://openairdocs.org/ntsb/SEA04FA032.md): Cessna 182G · Glasgow, MT · Accident · 4 fatal · Field investigation · Final report · Jan 2, 2004 · N3171S · Destroyed
  > Loss of aircraft control resulting in an in-flight collision with terrain. Factors include marginal weather and dark night conditions.
- [NTSB SEA02LA118](https://openairdocs.org/ntsb/SEA02LA118.md): Cessna 182 E · Sweetgrass, MT · Accident · No injuries · Limited investigation · Final report · Jul 2, 2002 · N3387Y · Substantial damage
  > The pilot's failure to adequately compensate for wind conditions after encountering a crosswind gust during the landing roll. Factors include gusty crosswinds, and a fence in the vicinity of the runway.
- [NTSB SEA02LA104](https://openairdocs.org/ntsb/SEA02LA104.md): Cessna 180K · Helena, MT · Accident · No injuries · Limited investigation · Final report · Jun 17, 2002 · N66471 · Substantial damage
  > Binding brakes for undetermined reasons and the pilot's failure to maintain directional control during an aborted takeoff.
- [NTSB SEA02FA064](https://openairdocs.org/ntsb/SEA02FA064.md): Cessna 182E · Red Lodge, MT · Accident · No injuries · Field investigation · Final report · Apr 6, 2002 · N3184Y · Substantial damage
  > Long term fatigue of the nose landing gear strut fork initiated by side loading which resulted in the separation of the fork from the strut and the consequent collapse of the nose gear. A contributing factor was the ditch the aircraft traversed during the…
- [NTSB SEA00LA115](https://openairdocs.org/ntsb/SEA00LA115.md): Cessna 182B · Laurel, MT · Accident · No injuries · Limited investigation · Final report · May 29, 2000 · N66KJ · Substantial damage
  > The pilot's selection of unsuitable terrain for the precautionary landing. Wet and soft terrain, and the pilot's failure to maintain directional control of the aircraft during the landing roll were factors.
- [NTSB SEA00LA055](https://openairdocs.org/ntsb/SEA00LA055.md): Cessna 180K · Roundup, MT · Accident · No injuries · Limited investigation · Final report · Mar 22, 2000 · N75CD · Substantial damage
  > The pilot's failure to adequately compensate for wind conditions and subsequent loss of control.
- [NTSB SEA99FA150](https://openairdocs.org/ntsb/SEA99FA150.md): Cessna 182E · Ryegate, MT · Accident · 4 fatal · Field investigation · Final report · Aug 28, 1999 · N2886Y · Destroyed
  > The pilot's continued VFR flight into IMC conditions and his failure to maintain clearance from mountainous terrain. Factors include low ceilings and inadequate in-flight planning.
- [NTSB SEA99LA147](https://openairdocs.org/ntsb/SEA99LA147.md): Cessna 180A · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Aug 21, 1999 · N5359D · Substantial damage
  > Clearance from objects was not maintained during taxiing. Factors include the pilot's inadequate visual lookout.
- [NTSB SEA99FA138](https://openairdocs.org/ntsb/SEA99FA138.md): Beech H-35 · Swan Lake, MT · Accident · Serious injuries · Field investigation · Final report · Aug 10, 1999 · N7975D · Substantial damage
  > Detonation/pre-ignition due to use of improper grade and type of fuel (automotive) and the pilot-in-command's failure to use proper fuel specified by manufacturer's directives.
- [NTSB SEA99LA102](https://openairdocs.org/ntsb/SEA99LA102.md): Cessna 182Q · Conner, MT · Accident · No injuries · Limited investigation · Final report · Jul 6, 1999 · N759MZ · Substantial damage
  > The pilot's attempt to take off on an unsuitable runway surface due to standing water on the runway. Factors include standing water on the airstrip.
- [NTSB SEA99LA091](https://openairdocs.org/ntsb/SEA99LA091.md): Cessna 180G · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Jun 19, 1999 · N4707U · Substantial damage
  > An encounter with a crosswind gust, which was not possible to compensate for.
- [NTSB SEA99LA078](https://openairdocs.org/ntsb/SEA99LA078.md): Cessna 182K · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · May 22, 1999 · N2656R · Substantial damage
  > A loss of engine power for undetermined reasons. Rough terrain was a factor.
- [NTSB SEA99LA034](https://openairdocs.org/ntsb/SEA99LA034.md): Cessna 182A · Conner, MT · Accident · No injuries · Limited investigation · Final report · Feb 13, 1999 · N3753D · Substantial damage
  > The pilots delayed remedial action during an aborted landing. Factors include a slush-covered runway.
- [NTSB SEA98LA167](https://openairdocs.org/ntsb/SEA98LA167.md): Cessna 180 · Anaconda, MT · Accident · No injuries · Limited investigation · Final report · Aug 15, 1998 · N9115C · Substantial damage
  > A ground-loop resulting from the pilot's inadequate remedial action while attempting to correct for an inadvertent loss of directional control during the landing roll. Factors include the loss of directional control and attempting to land with a tailwind.

Next page: https://openairdocs.org/ntsb.md?engine=17026&state=MT&page=2

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17026'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17026&state=MT

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.