# 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 1 of 45 · 2,223 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
- [NTSB WPR27LA002](https://openairdocs.org/ntsb/WPR27LA002.md): Cessna P210N · Stevensville, MT · Accident · No injuries · Class 3 · Limited · Investigation open · Oct 4, 2026 · N94PS
- [NTSB WPR26LA360](https://openairdocs.org/ntsb/WPR26LA360.md): Cessna A185F · Livingston, MT · Accident · No injuries · Class 4 · Limited · Investigation open · Sep 26, 2026 · N185BZ · Substantial damage
- [NTSB WPR26LA348](https://openairdocs.org/ntsb/WPR26LA348.md): Piper PA-18-150 · Roundup, MT · Accident · No injuries · Class 4 · Limited · Investigation open · Sep 15, 2026 · N4500W · Substantial damage
- [NTSB WPR26LA344](https://openairdocs.org/ntsb/WPR26LA344.md): Taylorcraft BC12D · Nibbe, MT · Accident · Serious injuries · Class 4 · Limited · Investigation open · Sep 14, 2026 · N96888 · Substantial damage
- [NTSB WPR26LA335](https://openairdocs.org/ntsb/WPR26LA335.md): Cessna 210 · Polson, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 10, 2026 · N9517T · Substantial damage
  > On September 10, 2026, about 1005 mountain daylight time, a Cessna 210, N9517T, was substantially damaged when it was involved in an accident near Polson Airport (8S1), Polson, Montana. The student pilot was not injured. The airplane was operated as a Title…
- [NTSB WPR26LA295](https://openairdocs.org/ntsb/WPR26LA295.md): Vans RV8 · Great Falls, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 5, 2026 · C-GFWR · Substantial damage
  > On August 5, 2026, at about 1034 mountain daylight time, a Van’s Aircraft RV-8, C-GFWR, was substantially damaged when it was involved in an accident near Great Falls, Montana. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB WPR26LA280](https://openairdocs.org/ntsb/WPR26LA280.md): Harmon Rocket II · Glasgow, MT · Accident · Minor injuries · Class 4 · Limited · Investigation open · Jul 24, 2026 · C-FCPG
- [NTSB WPR26LA155](https://openairdocs.org/ntsb/WPR26LA155.md): Aero Vodochody L-39 · Ennis, MT · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Apr 10, 2026 · N136EM · Substantial damage
  > On April 10, 2026, about 1210 mountain daylight time, an Aero Vodochody L 39, N136EM, was substantially damaged when it was involved in an accident near Ennis, Montana. The flight instructor sustained minor injuries, and the pilot undergoing instruction was…
- [NTSB WPR26LA157](https://openairdocs.org/ntsb/WPR26LA157.md): Cessna T182 · Marion, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 8, 2026 · N5475N · Substantial damage
  > On April 8, 2026, about 1315 mountain standard time, a Cessna T182, N5475N, was substantially damaged when it was involved in an accident near Marion, Montana. Both pilots were uninjured. The airplane was operated as a Title 14 Code of Federal Regulations…
- [NTSB WPR26LA152](https://openairdocs.org/ntsb/WPR26LA152.md): Just Highlander · Great Falls, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 8, 2026 · N563JA · Substantial damage
  > On April 8, 2026, about 1106 mountain daylight time, an experimental amateur built Just Aircraft Highlander, N563JA, was substantially damaged when it was involved in an accident near Great Falls, Montana. The pilot was not injured. The airplane was operated…
- [NTSB WPR26LA146](https://openairdocs.org/ntsb/WPR26LA146.md): Bell Helicopter Textron 206L-1 · Chimney Rock, MT · Accident · No injuries · Class 4 · Limited · Final report · Apr 4, 2026 · N5017G · Substantial damage
  > The pilot’s failure to maintain adequate clearance from the terrain while performing a low altitude circling takeoff maneuver, which resulted in a dynamic rollover.
- [NTSB WPR26LA105](https://openairdocs.org/ntsb/WPR26LA105.md): Piper PA-20 · Three Forks, MT · Accident · No injuries · Class 4 · Limited · Final report · Feb 13, 2026 · N1491A · Substantial damage
  > The pilot’s failure to maintain directional during the landing roll with a variable wind.
- [NTSB WPR26LA099](https://openairdocs.org/ntsb/WPR26LA099.md): Bell Helicopter Textron Canada BHT407 · Libby, MT · Accident · No injuries · Class 4 · Limited · Final report · Feb 5, 2026 · N407VS · Substantial damage
  > The pilot's failure to maintain clearance from a light post during landing.
- [NTSB WPR26LA093](https://openairdocs.org/ntsb/WPR26LA093.md): Cessna 500 · Great Falls, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 19, 2026 · C-GJVK · Substantial damage
  > On January 19, 2026, about 1303 mountain standard time, a Cessna 500 airplane, C-GJVK, was substantially damaged when it was involved in an accident at Great Falls International Airport (GTF), Great Falls, Montana. The pilot and passenger were not injured.…
- [NTSB WPR26LA055](https://openairdocs.org/ntsb/WPR26LA055.md): Maule M-5-210C · Eureka, MT · Accident · No injuries · Class 4 · Limited · Final report · Dec 9, 2025 · N339X · Substantial damage
  > The pilot’s failure to maintain directional control during landing in crosswind conditions. Contributing to the accident was the pilot's lack of recent flight experience.
- [NTSB WPR26FA032](https://openairdocs.org/ntsb/WPR26FA032.md): Cirrus Design SR22T · Lincoln, MT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Oct 25, 2025 · N740TS · Destroyed
  > On October 24, 2025 at 2115 mountain daylight time, a Cirrus SR22T, N740TS, was destroyed when it was involved in an accident near Lincoln, Montana. The pilot sustained fatal injuries. The airplane was operated as a Title 14 Code of Federal Regulations (CFR)…
- [NTSB WPR26FA031](https://openairdocs.org/ntsb/WPR26FA031.md): Robinson Helicopter R66 · Ekalaka, MT · Accident · 4 fatal · Class 3 · Field · Preliminary report · Oct 23, 2025 · N67GA · Substantial damage
  > On October 22, 2025, about 1830 mountain daylight time, a Robinson Helicopter Co. R66, N67GA, was substantially damaged when it was involved in an accident near Ekalaka, Montana. The pilot and 3 passengers were fatally injured. The helicopter was operated as…
- [NTSB WPR26LA020](https://openairdocs.org/ntsb/WPR26LA020.md): Piper PA-23-250 · Condon, MT · Accident · 3 fatal · Class 3 · Limited · Preliminary report · Oct 17, 2025 · N2345R · Substantial damage
  > On October 17, 2025, about 1615 mountain daylight time, a Piper PA-23-250, N2345R, was substantially damaged when it was involved in an accident near Condon, Montana. The pilot and two passengers were fatally injured. The airplane was operated as a Title 14…
- [NTSB WPR25LA295](https://openairdocs.org/ntsb/WPR25LA295.md): Siai-Marchetti SF260B · Billings, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 26, 2025 · N272C · Substantial damage
  > On September 26, 2025, about 1040 mountain daylight time, a SIAI-MARCHETTI SF 260B, N272C, was substantially damaged when it was involved in an accident near Billings, Montana. The pilot and passenger were not injured. The airplane was operated as a Title 14…
- [NTSB WPR25FA289](https://openairdocs.org/ntsb/WPR25FA289.md): Murphy SR3500 · Bigfork, MT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Sep 19, 2025 · N62ZT · Destroyed
  > On September 19, 2025, about 1205 mountain daylight time, an experimental amateur built Murphy SR3500, N62ZT, was destroyed when it was involved in an accident near Bigfork, Montana. The pilot was fatally injured. The airplane was operated as a Title 14 Code…
- [NTSB WPR25LA271](https://openairdocs.org/ntsb/WPR25LA271.md): Naval Aircraft Factory N3N-3 · Red Lodge, MT · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 31, 2025 · N45254 · Substantial damage
  > The pilot’s failure to maintain clearance from obstacles during an aborted landing. Contributing to the accident was the high density altitude weather condition.
- [NTSB WPR25LA260](https://openairdocs.org/ntsb/WPR25LA260.md): Bell Textron Canada 407 · Lincoln, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 26, 2025 · N38AJ · Substantial damage
  > On August 26, 2025, at about 0100 mountain daylight time, a Bell 407 GTX, N38AJ, was substantially damaged when it was involved in an accident near Lincoln, Montana. The pilot and two passengers were not injured. The helicopter was operated as a Title 14,…
- [NTSB WPR25FA252](https://openairdocs.org/ntsb/WPR25FA252.md): Vans RV-7A · West Glacier, MT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 12, 2025 · N30SG · Substantial damage
  > On August 12, 2025, about 1457 mountain daylight time, an experimental amateur-built Vans RV-7A N30SG, was substantially damaged when it was involved in an accident near West Glacier, Montana. The pilot was fatally injured. The airplane was operated as a…
- [NTSB WPR25LA251](https://openairdocs.org/ntsb/WPR25LA251.md): Socata TBM 700 · Kalispell, MT · Accident · No injuries · Class 4 · Limited · Final report · Aug 11, 2025 · N860CA · Destroyed
  > The pilot’s unstable approach to the runway, which resulted in an aerodynamic stall at low altitude and impact with terrain.
- [NTSB WPR25LA243](https://openairdocs.org/ntsb/WPR25LA243.md): Cessna 172N · Ronan, MT · Accident · No injuries · Class 4 · Limited · Final report · Aug 8, 2025 · N734SW · Substantial damage
  > The student pilot's inadequate landing flare and recovery from a bounced landing.
- [NTSB WPR25LA239](https://openairdocs.org/ntsb/WPR25LA239.md): Robinson Helicopter R44 II · Ponderosa Pines, MT · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 3, 2025 · N750GT · Substantial damage
  > The pilot’s improper pedal application during an approach to a hover.
- [NTSB WPR25FA223](https://openairdocs.org/ntsb/WPR25FA223.md): Grumman American Avn. AA-5 · West Glacier, MT · Accident · 2 fatal · Class 3 · Field · Preliminary report · Jul 26, 2025 · N1342R · Substantial damage
  > On July 26, 2025, about 0942 mountain daylight time, a Grumman AA-5, N1342R, was destroyed when it was involved in an accident near West Glacier, Montana. The pilot and passenger were fatally injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB WPR25LA221](https://openairdocs.org/ntsb/WPR25LA221.md): Beech B35 · Helena, MT · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 24, 2025 · N5204C · Substantial damage
  > The pilot’s failure to properly configure the airplane during a go-around which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall at a low altitude.
- [NTSB WPR25FA214](https://openairdocs.org/ntsb/WPR25FA214.md): Piper PA-28-180 · West Yellowstone, MT · Accident · 3 fatal · Class 3 · Field · Preliminary report · Jul 18, 2025 · N7186W · Substantial damage
  > On July 17, 2025, about 2358 mountain daylight time, a Piper PA-28-180, N7186W, was substantially damaged when it was involved in an accident near West Yellowstone, Montana. The pilot and two pilot rated passengers were fatally injured. The airplane was…
- [NTSB WPR25LA200](https://openairdocs.org/ntsb/WPR25LA200.md): Faust 3 · Harrison, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Jun 30, 2025 · N5901V · Substantial damage
  > On June 30, 2025, about 1200 mountain daylight time, an experimental amateur built Faust 3, N5901V, sustained substantial damage when it was involved in an accident near Harrison, Montana. The pilot and passenger were not injured. The airplane was operated as…
- [NTSB WPR25LA194](https://openairdocs.org/ntsb/WPR25LA194.md): Bellanca 7GCBC · Helena, MT · Accident · No injuries · Class 4 · Limited · Final report · Jun 30, 2025 · N50476 · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during landing.
- [NTSB WPR25LA301](https://openairdocs.org/ntsb/WPR25LA301.md): Piper PA-24-260 · West Yellowstone, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Jun 29, 2025 · N9366P · Substantial damage
  > On June 29, 2025, at 1033 mountain daylight time, a Piper PA-24-260, N9366P, was substantially damaged when it was involved in an accident near West Yellowstone, Montana. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB WPR25FA182](https://openairdocs.org/ntsb/WPR25FA182.md): Cessna 172 · Billings, MT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jun 19, 2025 · N79306 · Substantial damage
  > On June 19, 2025, at 1412 mountain daylight time, a Cessna 172K airplane, N79306, was destroyed when it was involved in an accident near Billings, Montana. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations…
- [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 WPR25LA165](https://openairdocs.org/ntsb/WPR25LA165.md): Weatherly 620B · Lewiston, MT · Accident · No injuries · Class 4 · Limited · Final report · May 30, 2025 · N90393 · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude.
- [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 WPR25LA122](https://openairdocs.org/ntsb/WPR25LA122.md): Beech C90A · Helena, MT · Accident · No injuries · Class 3 · Limited · Final report · Mar 16, 2025 · N513JM · Substantial damage
  > The failure of the left main landing gear to fully extend and lock as a result of broken downlock switch wires and the failure of the pilots to complete the manual gear extension checklist.
- [NTSB WPR25LA074](https://openairdocs.org/ntsb/WPR25LA074.md): Piper PA-18-150 · Red Rock, MT · Accident · No injuries · Class 4 · Limited · Final report · Jan 6, 2025 · N4644Y · Substantial damage
  > The pilot's failure to maintain directional control during takeoff, which resulted in an impact with deep snow and vegetation.
- [NTSB WPR25LA047](https://openairdocs.org/ntsb/WPR25LA047.md): Cessna A185F · Lewistown, MT · Accident · No injuries · Class 4 · Limited · Final report · Nov 23, 2024 · N9533H · Substantial damage
  > The pilot’s inadvertent impact with a rock during a landing on a grass strip.
- [NTSB WPR25LA043](https://openairdocs.org/ntsb/WPR25LA043.md): Charlie Guinn CCK-1865 · Lewiston, MT · Accident · No injuries · Class 4 · Limited · Final report · Nov 14, 2024 · N247CC · Substantial damage
  > The pilot’s failure to maintain directional control in a gusting tailwind, which resulted in an impact with a tree.
- [NTSB WPR24LA307](https://openairdocs.org/ntsb/WPR24LA307.md): Robinson Helicopter R44 II · Basin, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 15, 2024 · N233WT · Substantial damage
  > The pilot’s decision to continue performing a high-performance takeoff in a full throttle and low-rotor-rpm condition, which resulted in a loss of control and subsequent impact with terrain.
- [NTSB WPR24LA323](https://openairdocs.org/ntsb/WPR24LA323.md): Beech J35 · Belgrade, MT · Accident · Class 3 · Limited · Preliminary report · Aug 28, 2024 · N8350D · Substantial damage
  > On August 27, 2024, about 1845 mountain daylight time, a Beech J35, N8350D, was substantially damaged when it was involved in an accident near Belgrade, Montana. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations…
- [NTSB WPR24LA271](https://openairdocs.org/ntsb/WPR24LA271.md): Piper PA-18-150 · Manhattan, MT · Accident · No injuries · Class 4 · Limited · Final report · Aug 11, 2024 · N8576Y · Substantial damage
  > A total loss of engine power due to carburetor icing.
- [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 WPR24FA238](https://openairdocs.org/ntsb/WPR24FA238.md): Air Tractor AT-802A · Helena, MT · Accident · 1 fatal · Class 3 · Field · Final report · Jul 10, 2024 · N10122 · Substantial damage
  > The pilot’s loss of situational awareness during the water scoop due to task overload while operating in a multi-airplane tactical firefighting environment, which resulted in the pilot’s failure to maintain directional control and the airplane’s collision…
- [NTSB WPR24LA204](https://openairdocs.org/ntsb/WPR24LA204.md): Maule MXT-7-180 · Winifred, MT · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 23, 2024 · N5519C · Substantial damage
  > The pilot’s inadvertent excessive application of brakes, which resulted in a nose over.
- [NTSB WPR24LA180](https://openairdocs.org/ntsb/WPR24LA180.md): Republic RC-3 · Butte, MT · Accident · No injuries · Class 4 · Limited · Final report · Jun 5, 2024 · N87583 · Substantial damage
  > The pilot’s failure to maintain control of the airplane during the takeoff with a gusty left quartering crosswind.
- [NTSB WPR24LA192](https://openairdocs.org/ntsb/WPR24LA192.md): SIAI Marchetti SM. 1019 · Twin Bridges, MT · Accident · No injuries · Class 4 · Limited · Final report · May 19, 2024 · N992BB · Substantial damage
  > The binding of the parking brake cable, which resulted in un-commanded brake application during the landing roll and subsequent nose over.
- [NTSB WPR24FA150](https://openairdocs.org/ntsb/WPR24FA150.md): Piper PA-18-150 · Thurlow, MT · Accident · 2 fatal · Class 3 · Field · Final report · May 14, 2024 · UNREG · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering at low altitude, resulting in an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the pilot’s distraction by his cell phone use while…

Next page: https://openairdocs.org/ntsb.md?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'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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