# 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 6 of 45 · 2,224 cases

## Cases, newest first

- [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 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 WPR13LA178](https://openairdocs.org/ntsb/WPR13LA178.md): MD Helicopter 369A · Darby, MT · Accident · Serious injuries · Limited investigation · Final report · Apr 2, 2013 · N369HW · Substantial damage
  > The pilot's failure to arrest the landing descent due to his incorrect use of the throttle, which resulted in a hard landing.
- [NTSB WPR13CA117](https://openairdocs.org/ntsb/WPR13CA117.md): Cessna 170B · Sunburst, MT · Accident · No injuries · Data collection · Final report · Feb 6, 2013 · N2619D · Substantial damage
  > The pilot's failure to compensate for the strong, gusting wind conditions, which resulted in a loss of airplane control during takeoff.
- [NTSB WPR13FA073](https://openairdocs.org/ntsb/WPR13FA073.md): Beech B100 · Libby, MT · Accident · 2 fatal · Field investigation · Final report · Dec 19, 2012 · N499SW · Destroyed
  > The noncertificated pilot’s failure to maintain clearance from terrain while maneuvering to land in dark night conditions likely due to his geographic disorientation (lost). Contributing to the accident was the pilot’s improper decision to fly at night with a…
- [NTSB WPR13LA069](https://openairdocs.org/ntsb/WPR13LA069.md): Powerchute Airwolf 912ULS · Dell, MT · Accident · Serious injuries · Limited investigation · Final report · Dec 14, 2012 · N480QP · Substantial damage
  > The pilot's failure to maintain aircraft control and clearance from mountainous terrain while maneuvering at a low altitude in downdraft conditions.
- [NTSB WPR13LA063](https://openairdocs.org/ntsb/WPR13LA063.md): Aerotek Pitts S-1T · Billings, MT · Accident · No injuries · Limited investigation · Final report · Dec 2, 2012 · N49309 · Substantial damage
  > The pilot’s inability to maintain directional control during the landing roll because of the failure of the tailwheel support bracket.
- [NTSB WPR13CA018](https://openairdocs.org/ntsb/WPR13CA018.md): Albright Stan Kitfox Super Sport · Twin Bridges, MT · Accident · No injuries · Data collection · Final report · Oct 18, 2012 · N960WM · Substantial damage
  > The airplane builder’s failure to rig the flight controls correctly, which resulted in a loss of control after takeoff.
- [NTSB WPR12TA364](https://openairdocs.org/ntsb/WPR12TA364.md): American Eurocopter AS350B3 · Sunburst, MT · Accident · No injuries · Final report · Aug 18, 2012 · N3939A · Substantial damage
  > The improper installation of the engine-to-main gearbox flex coupling, which resulted in the failure of the flex coupling and a loss of power to the rotor system during takeoff.
- [NTSB WPR12LA348](https://openairdocs.org/ntsb/WPR12LA348.md): Santana PA-18 Replica · Ronan, MT · Accident · No injuries · Limited investigation · Final report · Aug 8, 2012 · N3AK · Substantial damage
  > A jammed tailwheel assembly, which resulted in the pilot’s inability to maintain directional control upon landing.
- [NTSB WPR12LA317](https://openairdocs.org/ntsb/WPR12LA317.md): Herem DR-107 · Bridger, MT · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 2012 · N58GH · Substantial damage
  > The pilot’s failure to maintain airplane control while maneuvering after takeoff.
- [NTSB WPR12CA293](https://openairdocs.org/ntsb/WPR12CA293.md): Piper PA-12 · Stevensville, MT · Accident · No injuries · Data collection · Final report · Jul 4, 2012 · N2870M · Substantial damage
  > The separation of the left rudder control cable from the rudder bellcrank, which resulted in a loss of directional control during landing roll.
- [NTSB WPR12CA284](https://openairdocs.org/ntsb/WPR12CA284.md): Cessna 210-5 · West Glacier, MT · Accident · Minor injuries · Data collection · Final report · Jul 2, 2012 · N8450Z · Substantial damage
  > The pilot elected to abort the takeoff without sufficient runway available to land and stop the airplane. Contributing to the accident was the illusion created by the rising terrain, which influenced the pilot's decision to abort the takeoff.
- [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 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 WPR12CA209](https://openairdocs.org/ntsb/WPR12CA209.md): Piper PA-28-140 · Sula, MT · Accident · Minor injuries · Data collection · Final report · Jun 8, 2012 · N2839T · Substantial damage
  > The pilot's inability to maintain clearance from terrain while operating in a downdraft over mountainous terrain.
- [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 WPR12CA145](https://openairdocs.org/ntsb/WPR12CA145.md): Rockwell International 690C · Conrad, MT · Accident · No injuries · Data collection · Final report · Mar 23, 2012 · N840JC · Substantial damage
  > The pilot did not maintain directional control of the airplane due to ice and slushy snow on the runway during the landing roll.
- [NTSB WPR12FA123](https://openairdocs.org/ntsb/WPR12FA123.md): Bellanca 7GCBC · Brockton, MT · Accident · 1 fatal · Field investigation · Final report · Mar 5, 2012 · N5542K · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and airplane control while maneuvering at a low altitude, which resulted in a stall and subsequent impact with terrain.
- [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 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 WPR12CA025](https://openairdocs.org/ntsb/WPR12CA025.md): Cessna 172K · Florence, MT · Accident · No injuries · Data collection · Final report · Oct 30, 2011 · N7276G · Substantial damage
  > The pilot's failure to maintain clearance from a power line during a low-level flight along a river. Contributing to the accident was the pilot's decision to fly at a low altitude.
- [NTSB WPR11CA439](https://openairdocs.org/ntsb/WPR11CA439.md): Cessna 182D · Roundup, MT · Accident · No injuries · Data collection · Final report · Sep 5, 2011 · N8772X · Substantial damage
  > The pilot's failure to maintain clearance from an obstacle during the landing flare.
- [NTSB WPR11CA406](https://openairdocs.org/ntsb/WPR11CA406.md): Cessna A185F · Polson, MT · Accident · No injuries · Data collection · Final report · Aug 21, 2011 · N61609 · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB WPR11FA390](https://openairdocs.org/ntsb/WPR11FA390.md): Piper PA-18-150 · Forsyth, MT · Accident · 2 fatal · Field investigation · Final report · Aug 18, 2011 · N7666D · Substantial damage
  > The pilot’s failure to maintain adequate airspeed while maneuvering, which resulted in a stall/mush, loss of control, and impact with terrain.
- [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 WPR11FA383](https://openairdocs.org/ntsb/WPR11FA383.md): Piper PA-38-112 · Silver Bow, MT · Accident · 2 fatal · Field investigation · Final report · Aug 15, 2011 · N2584N · Substantial damage
  > The pilot's failure to maintain airplane control while maneuvering.
- [NTSB WPR11LA370](https://openairdocs.org/ntsb/WPR11LA370.md): Piper J5A · Biddle, MT · Accident · No injuries · Limited investigation · Final report · Jul 24, 2011 · N38AW · Substantial damage
  > Failure of the left main landing gear strut during the landing roll due to a preexisting crack.
- [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 WPR11LA317](https://openairdocs.org/ntsb/WPR11LA317.md): Schweizer SGS 2-32 · Bigfork, MT · Accident · 1 fatal · Limited investigation · Final report · Jul 8, 2011 · N591CC · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his excessive control inputs during a simulated rope break while taking off, which resulted in an accelerated aerodynamic stall.
- [NTSB WPR11CA310](https://openairdocs.org/ntsb/WPR11CA310.md): Cubcrafters CC11-160 · Whitefish, MT · Accident · No injuries · Data collection · Final report · Jul 5, 2011 · N40WP · Substantial damage
  > The pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's lack of recent experience in a tailwheel equipped airplane.
- [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 WPR11CA281](https://openairdocs.org/ntsb/WPR11CA281.md): Piper PA-36-285 · Havre, MT · Accident · No injuries · Data collection · Final report · Jun 23, 2011 · N57736 · Substantial damage
  > The pilot's failure to maintain directional control during takeoff.
- [NTSB WPR11LA272](https://openairdocs.org/ntsb/WPR11LA272.md): Air Tractor AT-301 · Hogeland, MT · Accident · 1 fatal · Limited investigation · Final report · Jun 21, 2011 · N3661B · Substantial damage
  > Collision with the ground while maneuvering at low altitude for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [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 WPR11CA249](https://openairdocs.org/ntsb/WPR11CA249.md): Rusk Smith Super Cub · Heron, MT · Accident · Minor injuries · Data collection · Final report · Jun 3, 2011 · N316BR · Substantial damage
  > The floatplane's collision with a submerged object during a water landing.
- [NTSB WPR11FA221](https://openairdocs.org/ntsb/WPR11FA221.md): Air Tractor AT-802A · Miles City, MT · Accident · 1 fatal · Field investigation · Final report · May 9, 2011 · N8523H · Substantial damage
  > The pilot's continued visual flight rules flight into deteriorating weather conditions in an airplane not equipped for instrument flight, which resulted in a collision with terrain.
- [NTSB WPR11FA170](https://openairdocs.org/ntsb/WPR11FA170.md): Cessna T310R · Butte, MT · Accident · 1 fatal · Field investigation · Final report · Mar 19, 2011 · N4914A · Substantial damage
  > The pilot's loss of airplane control during the missed approach for undetermined reasons. Contributing to the accident was the rapid and unforecast deterioration of the weather conditions to below the landing minimum and the pilot's decision to attempt the…
- [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 WPR11CA101](https://openairdocs.org/ntsb/WPR11CA101.md): Bell 206B3 · Three Forks, MT · Accident · No injuries · Data collection · Final report · Jan 15, 2011 · N78BR · Substantial damage
  > The pilot’s inadequate use of throttle during the practice autorotation that resulted in a hard landing.
- [NTSB WPR10LA476](https://openairdocs.org/ntsb/WPR10LA476.md): Cessna 310R · Great Falls, MT · Accident · No injuries · Limited investigation · Final report · Sep 28, 2010 · N455TB · Substantial damage
  > The uncommanded retraction of the right main landing gear during taxi due to the failure of the landing gear extension system to move the right main gear upper side link into the locked position for undetermined reasons.
- [NTSB WPR10CA469](https://openairdocs.org/ntsb/WPR10CA469.md): Piper PA-18-150 · White Sulphur Springs, MT · Accident · No injuries · Data collection · Final report · Sep 24, 2010 · N4036E · Substantial damage
  > The pilot's failure to maintain control of the airplane during a go-around in turbulent wind conditions, which resulted in a collision with trees.
- [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 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 WPR10LA393](https://openairdocs.org/ntsb/WPR10LA393.md): Piper PA18A · Billings, MT · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 2010 · N2660A · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and failure to maintain lateral and directional control of the airplane during landing.
- [NTSB WPR10CA380](https://openairdocs.org/ntsb/WPR10CA380.md): Piper PA-12 · White Sulphur Springs, MT · Accident · No injuries · Data collection · Final report · Aug 2, 2010 · N3098M · Substantial damage
  > The pilot’s loss of directional control while attempting to avoid a herd of antelope crossing the runway during the landing rollout.
- [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 WPR10TA335](https://openairdocs.org/ntsb/WPR10TA335.md): Piper PA-18-150 · Dillon, MT · Accident · No injuries · Final report · Jul 5, 2010 · N6110A · Substantial damage
  > The pilot's failure to maintain directional control during landing.

Next page: https://openairdocs.org/ntsb.md?state=MT&page=7

## 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=6&state=MT

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