# NTSB investigations, 2020, 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 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.

## 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") = 2020
  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=2020

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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.