# NTSB investigations, 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 3 of 45 · 2,223 cases

## Cases, newest first

- [NTSB WPR21LA219](https://openairdocs.org/ntsb/WPR21LA219.md): Stoddard Hamilton Glasair II · Darby, MT · Accident · Serious injuries · Class 3 · Limited · Final report · May 29, 2021 · N8176J · Substantial damage
  > The pilot’s impact with terrain during a go-around following an attempted precautionary landing due to a low oil pressure indication. The reason for the low oil pressure indication could not be determined based on the available information.
- [NTSB WPR21LA163](https://openairdocs.org/ntsb/WPR21LA163.md): Piper PA-18-150 · Wilsall, MT · Accident · No injuries · Class 4 · Limited · Final report · Apr 18, 2021 · N83359 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll with a crosswind.
- [NTSB WPR21LA138](https://openairdocs.org/ntsb/WPR21LA138.md): Burg Frederick S ZEN CH701 · Shepherd, MT · Accident · No injuries · Class 4 · Limited · Final report · Mar 17, 2021 · N43442 · Substantial damage
  > The pilot’s unstable approach, and improper landing flare, which resulted in a bounced landing and subsequent nose over.
- [NTSB WPR21LA137](https://openairdocs.org/ntsb/WPR21LA137.md): Piper PA-18-150 · Three Forks, MT · Accident · No injuries · Class 4 · Limited · Final report · Mar 17, 2021 · N82479 · Substantial damage
  > The pilot’s improper landing flare, which resulted in a loss of directional control, runway excursion and impact with terrain.
- [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 WPR21LA067](https://openairdocs.org/ntsb/WPR21LA067.md): Cessna 172 · Dillon, MT · Accident · Serious injuries · Class 4 · Limited · Final report · Dec 8, 2020 · N46017 · Substantial damage
  > The student pilot’s exceedance of the airplane’s critical angle attack during an attempted go-around, which resulted in an aerodynamic stall.
- [NTSB WPR21LA032](https://openairdocs.org/ntsb/WPR21LA032.md): Cessna 172 · Billings, MT · Accident · 1 fatal · Class 3 · Limited · Final report · Oct 31, 2020 · N124TW · Substantial damage
  > The pilot’s failure to maintain the proper descent glide path while on final approach for reasons that could not be determined from available evidence.
- [NTSB WPR20LA304](https://openairdocs.org/ntsb/WPR20LA304.md): Cessna 172 · Seeley Lake, MT · Accident · 2 fatal · Class 3 · Limited · Final report · Sep 13, 2020 · N3720R · Substantial damage
  > The noninstrument-rated pilot’s encounter with instrument meteorological conditions during a night visual approach due to wildfire smoke, which resulted in controlled flight into terrain.
- [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 WPR20LA278](https://openairdocs.org/ntsb/WPR20LA278.md): Piper PA28 · Harlowton, MT · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 14, 2020 · N317LB · Substantial damage
  > The pilot’s failure to follow the appropriate takeoff procedures, which resulted in a collision with terrain.
- [NTSB WPR20CA250](https://openairdocs.org/ntsb/WPR20CA250.md): Cessna A185 · Kalispell, MT · Accident · No injuries · Class 4 · Data collection · Final report · Aug 3, 2020 · N185GK · Substantial damage
  > The pilot's excessive speed while landing on a wet grass runway, which resulted in a runway excursion and impact with a fence.
- [NTSB WPR20LA245](https://openairdocs.org/ntsb/WPR20LA245.md): Cessna 337 · Ennis, MT · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 30, 2020 · N337V · Substantial damage
  > The pilot-in-command’s failure to maintain sufficient airspeed while attempting an evasive maneuver from a boxed canyon, which resulted in an aerodynamic stall/spin and impact with mountainous terrain. Contributing to the accident was the pilot-in-command’s…
- [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 WPR20CA217](https://openairdocs.org/ntsb/WPR20CA217.md): Cessna 182 · Absarokee, MT · Accident · No injuries · Class 4 · Data collection · Final report · Jul 8, 2020 · N7726M · Substantial damage
  > The pilot's failure to maintain airplane control during a go-around that resulted in the airplane exceeding its critical angle of attack and aerodynamically stalling which resulted in a collision with the ground.
- [NTSB WPR20CA214](https://openairdocs.org/ntsb/WPR20CA214.md): Piper PA 18A-135 · Marion, MT · Accident · No injuries · Class 4 · Data collection · Final report · Jul 6, 2020 · N60733 · Substantial damage
  > The pilot's failure to maintain directional control of the airplane while landing in gusting wind conditions, which resulted in a runway excursion and collision with a fence.
- [NTSB WPR20CA183](https://openairdocs.org/ntsb/WPR20CA183.md): Cessna 310 · Butte, MT · Accident · No injuries · Class 4 · Data collection · Final report · Jun 15, 2020 · N87395 · Substantial damage
  > The pilot's failure to maintain clearance from a fence post during final approach which resulted in a damage to the left main landing gear, and its subsequent collapse during landing.
- [NTSB WPR20CA166](https://openairdocs.org/ntsb/WPR20CA166.md): Aviat A 1 · Glendive, MT · Accident · No injuries · Class 4 · Data collection · Final report · Jun 3, 2020 · N8QT · Substantial damage
  > The pilot's failure to maintain airplane control during landing in gusting wind condition which resulted in a collision with terrain.
- [NTSB WPR20CA173](https://openairdocs.org/ntsb/WPR20CA173.md): Cessna 170 · Butte, MT · Accident · No injuries · Class 4 · Data collection · Final report · Jun 2, 2020 · N8282A · Substantial damage
  > The pilot's failure to maintain airplane control during landing in turbulent conditions.
- [NTSB WPR20CA149](https://openairdocs.org/ntsb/WPR20CA149.md): Cessna 185 · Winifred, MT · Accident · No injuries · Class 4 · Data collection · Final report · May 17, 2020 · N185 · Substantial damage
  > An inadequate flare that resulted in a bounced landing and the pilot's subsequent delayed decision to go-around that did not allow for sufficient clearance from trees when the airplane was affected by a gusting wind.
- [NTSB WPR20LA128](https://openairdocs.org/ntsb/WPR20LA128.md): Piper PA31T · Billings, MT · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 20, 2020 · N926K · Destroyed
  > The degraded airplane performance after takeoff for reasons that could not be determined from available evidence.
- [NTSB WPR20CA124](https://openairdocs.org/ntsb/WPR20CA124.md): Cessna 180 · Marion, MT · Accident · No injuries · Data collection · Final report · Apr 16, 2020 · N53ES · Substantial damage
  > The pilot's loss of directional control and subsequent improper brake application during the landing roll in gusting wind conditions, which resulted in a nose-over.
- [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 WPR20FA063](https://openairdocs.org/ntsb/WPR20FA063.md): Cessna TR182 · Billings, MT · Accident · 4 fatal · Class 3 · Field · Final report · Jan 12, 2020 · N736YU · Destroyed
  > The pilot’s failure to maintain clearance due to poor decision making in selecting an unsafe altitude during cruise flight.
- [NTSB WPR20CA066](https://openairdocs.org/ntsb/WPR20CA066.md): Piper PA 23 · Helena, MT · Accident · No injuries · Data collection · Final report · Jan 8, 2020 · N1428P · Substantial damage
  > The pilot's improper decision to attempt an off-airport departure from rough terrain without inspecting the takeoff area, which resulted in a collision with a shallow rut during takeoff and the nose landing gear collapsing.
- [NTSB WPR20CA053](https://openairdocs.org/ntsb/WPR20CA053.md): Cessna 170 · Missoula, MT · Accident · No injuries · Data collection · Final report · Dec 28, 2019 · N4476B · Substantial damage
  > The pilot receiving instruction's failure to maintain directional control during the takeoff roll, which resulted in a runway excursion and ground-loop, and the flight instructor’s failure to adequately monitor the pilot.
- [NTSB GAA20CA070](https://openairdocs.org/ntsb/GAA20CA070.md): Cessna 195 · Kalispell, MT · Accident · No injuries · Data collection · Final report · Nov 11, 2019 · N195BG · Substantial damage
  > The pilot's failure to maintain directional control during landing, which resulted in a runway excursion and the left main landing gear collapsing.
- [NTSB WPR19FA246](https://openairdocs.org/ntsb/WPR19FA246.md): Beech 33 · St. Ignatius, MT · Accident · 3 fatal · Class 3 · Field · Final report · Aug 29, 2019 · N9529Y · Substantial damage
  > The pilot’s decision to maneuver the airplane at a low altitude, which resulted in impact with power lines and terrain.
- [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 WPR19LA213](https://openairdocs.org/ntsb/WPR19LA213.md): Cessna 150 · Roundup, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 30, 2019 · C-GEYP · Substantial damage
  > The pilot ‘s failure to maintain an adequate altitude above the trees while maneuvering to land.
- [NTSB GAA19CA475](https://openairdocs.org/ntsb/GAA19CA475.md): Avid Avid Mark IV · Thompson Falls, MT · Accident · Serious injuries · Data collection · Final report · Jul 30, 2019 · N4829W · Substantial damage
  > The student pilot's failure to go-around after a hard, bounced landing and the flight instructor's delayed remedial action, which resulted in a collision with trees at the departure end of the runway.
- [NTSB GAA19CA432](https://openairdocs.org/ntsb/GAA19CA432.md): Aviat A1 · Ennis, MT · Accident · Minor injuries · Data collection · Final report · Jul 17, 2019 · N137C · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack while turning at low altitude, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's distraction due to looking at wildlife.
- [NTSB WPR19LA194](https://openairdocs.org/ntsb/WPR19LA194.md): Bell 47G 3B 1 · Mosby, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 13, 2019 · N3078G · Substantial damage
  > The pilot’s failure to account for environmental conditions conducive to a loss of tail rotor effectiveness, which resulted in a loss of tail rotor effectiveness and subsequent loss of control. Contributing to the accident was the pilot’s inappropriate…
- [NTSB GAA19CA408](https://openairdocs.org/ntsb/GAA19CA408.md): Piper PA 20 · Hamilton, MT · Accident · Minor injuries · Data collection · Final report · Jul 12, 2019 · N7409K · Substantial damage
  > The pilot's loss of directional control due to his unintentional use of brakes instead of the rudder during the landing roll, which resulted in a nose-over.
- [NTSB WPR19LA184](https://openairdocs.org/ntsb/WPR19LA184.md): Cessna TR182 · Lincoln, MT · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 30, 2019 · N5JB · Substantial damage
  > A loss of control during landing, which resulted in a nose landing gear collapse and runway excursion.
- [NTSB GAA19CA261](https://openairdocs.org/ntsb/GAA19CA261.md): Siai-Marchetti SM · Belgrade, MT · Accident · No injuries · Data collection · Final report · May 13, 2019 · N772DW · Substantial damage
  > The pilot receiving instruction's overapplication of rudder during the landing roll and his subsequent failure to maintain directional control, which resulted in a ground loop.
- [NTSB WPR19LA134](https://openairdocs.org/ntsb/WPR19LA134.md): Cessna A185 · Kalispell, MT · Accident · No injuries · Class 3 · Limited · Final report · May 4, 2019 · N185FT · Substantial damage
  > The loss of directional control during landing for reasons that could not be determined based on available evidence.
- [NTSB GAA19CA238](https://openairdocs.org/ntsb/GAA19CA238.md): Aerospatiale AS350 · Sula, MT · Accident · No injuries · Data collection · Final report · Apr 30, 2019 · N350DL · Substantial damage
  > The pilot's failure to maintain adequate clearance from ground equipment, which resulted in a tail rotor blade impact.
- [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 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 WPR18FA260](https://openairdocs.org/ntsb/WPR18FA260.md): Robert L Coons RotorWay RW 1 · Billings, MT · Accident · 1 fatal · Field investigation · Final report · Sep 12, 2018 · N166LC · Substantial damage
  > The pilot's failure to maintain clearance with a hangar while maneuvering to his hangar. Contributing to the accident was the pilot's limited experience in helicopters.
- [NTSB GAA18CA533](https://openairdocs.org/ntsb/GAA18CA533.md): Taylorcraft BC12 · Cut Bank, MT · Accident · Minor injuries · Data collection · Final report · Sep 5, 2018 · N95514 · Substantial damage
  > The pilot’s failure to see and avoid power wires while maneuvering at low altitude. Contributing to the accident was the pilot’s inability to determine the airplane’s altitude due to sun glare.
- [NTSB GAA18CA482](https://openairdocs.org/ntsb/GAA18CA482.md): Qac Quickie · helena, MT · Accident · No injuries · Data collection · Final report · Aug 11, 2018 · N624JC · Substantial damage
  > The pilot's failure to maintain yaw control and a proper descent rate during an aborted takeoff.
- [NTSB GAA18CA481](https://openairdocs.org/ntsb/GAA18CA481.md): Helio H 295 · Great Falls, MT · Accident · No injuries · Data collection · Final report · Aug 11, 2018 · N77TR · Substantial damage
  > The pilot’s failure to maintain lateral control of the airplane during takeoff in a quartering tailwind.
- [NTSB GAA18CA438](https://openairdocs.org/ntsb/GAA18CA438.md): Mooney M20E · Great Falls, MT · Accident · No injuries · Data collection · Final report · Jul 22, 2018 · N7845V · Substantial damage
  > The flight instructor’s incorrect use of the landing gear system and his and the pilot’s failure to ensure that the landing gear was extended, which resulted in a gear-up landing. Contributing to the accident was the flight instructor’s unfamiliarity with the…
- [NTSB GAA18CA437](https://openairdocs.org/ntsb/GAA18CA437.md): Cessna 180 · Bozeman, MT · Accident · No injuries · Data collection · Final report · Jul 19, 2018 · N3224D · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [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 GAA18CA372](https://openairdocs.org/ntsb/GAA18CA372.md): Beech D17 · Hamilton, MT · Accident · Minor injuries · Data collection · Final report · Jun 22, 2018 · N61862 · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll and his subsequent inability to recover due to his foot being stuck.
- [NTSB DCA18CA255](https://openairdocs.org/ntsb/DCA18CA255.md): Embraer ERJ175 · Cut Bank, MT · Accident · Serious injuries · Data collection · Final report · Jun 17, 2018 · N637CZ · No damage
  > an unexpected encounter with clear air turbulence.
- [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.

Next page: https://openairdocs.org/ntsb.md?state=MT&page=4

## 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'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=3&state=MT

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