# NTSB investigations, 2019, 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.

## Latest cases

- [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.

## 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 year(c."eventDate") = 2019
  AND 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?state=MT&year=2019

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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.