# 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 13 of 45 · 2,224 cases

## Cases, newest first

- [NTSB SEA98LA066](https://openairdocs.org/ntsb/SEA98LA066.md): Ercoupe 415-D · Colstrip, MT · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 1998 · N2777H · Substantial damage
  > The pilot's operation of the aircraft above maximum gross weight, resulting in her inability to attain a sustained climb rate after becoming airborne. A factor was high density altitude conditions.
- [NTSB SEA98FA101](https://openairdocs.org/ntsb/SEA98FA101.md): Piper PA-46-350P · Bigfork, MT · Accident · 2 fatal · Field investigation · Final report · Apr 11, 1998 · N9247W · Destroyed
  > The pilot's failure to maintain terrain clearance for undetermined reasons. Contributing factors were the mountainous terrain, trees, dark night conditions, clouds and pilot fatigue.
- [NTSB SEA98FA062](https://openairdocs.org/ntsb/SEA98FA062.md): Mooney M20F · Lodgepole, MT · Accident · 1 fatal · Field investigation · Final report · Apr 6, 1998 · N9131V · Destroyed
  > The pilot's failure to maintain clearance from the terrain after flying into an area of known adverse weather. Factors include low ceilings, fog, snow showers, drizzle, and trees along his intended route.
- [NTSB SEA98LA057](https://openairdocs.org/ntsb/SEA98LA057.md): Aeronca 7-EC · Glendive, MT · Accident · No injuries · Limited investigation · Final report · Apr 1, 1998 · N4382C · Substantial damage
  > The pilot's delayed remedial action and his inadvertent entry into a ground loop.
- [NTSB SEA98LA051](https://openairdocs.org/ntsb/SEA98LA051.md): Piper PA-22 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Mar 24, 1998 · N1770A · Substantial damage
  > The pilot's failure to maintain adequate crosswind correction during landing. A factor was a crosswind.
- [NTSB SEA98LA049](https://openairdocs.org/ntsb/SEA98LA049.md): Cessna 177A · Laurel, MT · Accident · No injuries · Limited investigation · Final report · Mar 23, 1998 · N177MT · Substantial damage
  > The pilot's excessive descent rate on final, and improper recovery from a bounced landing.
- [NTSB SEA98LA037](https://openairdocs.org/ntsb/SEA98LA037.md): Piper PA-11 · Bridger, MT · Accident · Minor injuries · Limited investigation · Final report · Feb 15, 1998 · N947MG · Substantial damage
  > The student pilot's failure to maintain airspeed during a bounced landing recovery.
- [NTSB SEA98LA036](https://openairdocs.org/ntsb/SEA98LA036.md): Piper PA-17 · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Feb 15, 1998 · N4835H · Substantial damage
  > The pilot's failure to maintain directional control during takeoff.
- [NTSB SEA98LA031](https://openairdocs.org/ntsb/SEA98LA031.md): Cessna 150F · Havre, MT · Accident · 1 fatal · Limited investigation · Final report · Jan 30, 1998 · N8798G · Substantial damage
  > The student pilot's loss of control after his failure to maintain airspeed. Factors include his lack of total flight experience and incapacitation due to alcohol.
- [NTSB SEA98LA025](https://openairdocs.org/ntsb/SEA98LA025.md): Cessna 177 · Thompson Falls, MT · Accident · No injuries · Limited investigation · Final report · Dec 18, 1997 · N2988X · Substantial damage
  > The student pilot's improper remedial action when confronted with a porpoised landing. A factor was his failure to execute a go-around maneuver.
- [NTSB FTW98FA063](https://openairdocs.org/ntsb/FTW98FA063.md): Pitts S-2B · Bozeman, MT · Accident · 3 fatal · Field investigation · Final report · Dec 7, 1997 · N693SB · 2 aircraft · Destroyed
  > The failure of both pilots to maintain visual lookout. Factors were the pilot of N693SB not following procedures and directives, and the pilot of N693SB using poor judgment.
- [NTSB SEA98LA020](https://openairdocs.org/ntsb/SEA98LA020.md): Schramm Helicycle · Big Timber, MT · Accident · Minor injuries · Limited investigation · Final report · Dec 5, 1997 · N3275Q · Substantial damage
  > the pilot's failure to maintain clearance from power lines. The pilot's diverted attention and transmission wires were factors.
- [NTSB SEA98LA016](https://openairdocs.org/ntsb/SEA98LA016.md): Short Brothers SD3-60 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Nov 25, 1997 · N691A · Substantial damage
  > The co-pilot's failure to maintain the proper descent rate on final approach, the pilot-in-command's delayed remedial action, and overload of the left main landing gear assembly. Factors contributing were snow, crosswind conditions and deteriorating…
- [NTSB SEA98LA011](https://openairdocs.org/ntsb/SEA98LA011.md): Cessna 150H · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Nov 6, 1997 · N695NS · Substantial damage
  > The student pilot's failure to maintain directional control.
- [NTSB SEA98LA006](https://openairdocs.org/ntsb/SEA98LA006.md): Bell 47-G3B · Winston, MT · Accident · No injuries · Limited investigation · Final report · Oct 19, 1997 · N47AH · Substantial damage
  > Fuel starvation due to fuel flow restriction from a failed carburetor automatic mixture control device. Factors include night light conditions for the forced landing.
- [NTSB SEA98LA003](https://openairdocs.org/ntsb/SEA98LA003.md): Champion 7EC · Galata, MT · Accident · Minor injuries · Limited investigation · Final report · Oct 17, 1997 · CFOJT · Substantial damage
  > The pilot's failure to adequately perform preflight planning (prior to the precautionary landing and prior to the subsequent takeoff), his selection of an unsuitable takeoff area, and his failure to maintain altitude/clearance from the fence during the…
- [NTSB SEA97LA208](https://openairdocs.org/ntsb/SEA97LA208.md): Bellanca 7GCBC · Columbus, MT · Accident · No injuries · Limited investigation · Final report · Sep 9, 1997 · N5500L · Substantial damage
  > the pilot passenger failed to maintain clearance from the power line.
- [NTSB SEA97LA204](https://openairdocs.org/ntsb/SEA97LA204.md): Piper J-3 · Jordan, MT · Accident · 2 fatal · Limited investigation · Final report · Sep 7, 1997 · N98833 · Destroyed
  > The pilot's inadequate remedial action during an inadvertent stall/spin entry. Factors include buzzing, a rapid pull-up, and failure to maintain proper airspeed (Vs).
- [NTSB SEA97LA194](https://openairdocs.org/ntsb/SEA97LA194.md): Let Blanik L-13 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Aug 19, 1997 · N52AS · Substantial damage
  > The pilot's excessive speed taxispeed and failure to maintain wing clearance from a taxiway sign.
- [NTSB SEA97LA185](https://openairdocs.org/ntsb/SEA97LA185.md): Cessna 172L · Townsend, MT · Accident · No injuries · Limited investigation · Final report · Aug 9, 1997 · N7925G · Substantial damage
  > The pilot's failure to maintain airspeed.
- [NTSB SEA97LA162](https://openairdocs.org/ntsb/SEA97LA162.md): Cessna 320E · W. Yellowstone, MT · Accident · Minor injuries · Limited investigation · Final report · Jul 18, 1997 · N3425Q · Substantial damage
  > The pilot's failure to maintain directional control during landing when asymmetric power was applied. A factor was the crosswind conditions.
- [NTSB SEA97LA164](https://openairdocs.org/ntsb/SEA97LA164.md): Piper PA-18-135 · Biddle, MT · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 1997 · N3253B · Destroyed
  > The pilot-in-command's failure to maintain adequate airspeed which resulted in a stall/mush. A factor contributing to the accident was the tailwind condition on takeoff.
- [NTSB SEA97LA141](https://openairdocs.org/ntsb/SEA97LA141.md): Wood Murphy Rebel · Marion, MT · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 1997 · N224MR · Substantial damage
  > The pilot's failure to maintain clearance from the terrain/water. Factors include gusty winds and downdrafts.
- [NTSB SEA97FA133](https://openairdocs.org/ntsb/SEA97FA133.md): Cessna U206E · Red Lodge, MT · Accident · 3 fatal · Field investigation · Final report · Jun 9, 1997 · N206EC · Destroyed
  > The pilot-in-command's flight into known adverse weather and the subsequent overload and separation of the right wing-strut fuselage-to-strut attach point. Factors contributing were clouds and obscuration.
- [NTSB SEA97LA131](https://openairdocs.org/ntsb/SEA97LA131.md): Cessna 182C · Hardin, MT · Accident · No injuries · Limited investigation · Final report · Jun 7, 1997 · N8522T · Substantial damage
  > the student's delay in initiating a go-around. A factor relating to the accident was: the sunglare.
- [NTSB SEA97LA119](https://openairdocs.org/ntsb/SEA97LA119.md): Garlick UH-1H · Lolo, MT · Accident · No injuries · Limited investigation · Final report · May 22, 1997 · N95NW · Substantial damage
  > Fuel exhaustion due to the pilot's failure to refuel.
- [NTSB SEA97LA116](https://openairdocs.org/ntsb/SEA97LA116.md): Piper PA-28-140 · Hysham, MT · Accident · Minor injuries · Limited investigation · Final report · May 20, 1997 · N32142 · Substantial damage
  > A failure of an engine exhaust valve and the pilot's misjudgement of altitude/distance during an emergency landing at an airstrip.
- [NTSB SEA97LA109](https://openairdocs.org/ntsb/SEA97LA109.md): Learjet 35A · Great Falls, MT · Accident · Minor injuries · Limited investigation · Final report · May 16, 1997 · N1AH · Substantial damage
  > the captain's inadequate preflight planning/preparation, and the subsequent improper response to a simulated loss of engine power, resulting in liftoff at an airspeed below that for which sustained flight was possible.
- [NTSB SEA97LA103](https://openairdocs.org/ntsb/SEA97LA103.md): Cessna 152 · Deer Lodge, MT · Accident · No injuries · Limited investigation · Final report · May 9, 1997 · N714VL · Substantial damage
  > The pilot's improper decision to abort the takeoff, and his improper use of brakes during the abort. A factor contributing to the accident was the pilot's failure to maintain directional control during the takeoff roll.
- [NTSB SEA97LA101](https://openairdocs.org/ntsb/SEA97LA101.md): Cessna 150F · Plains, MT · Accident · No injuries · Limited investigation · Final report · May 7, 1997 · N8093F · Substantial damage
  > The pilot's failure to adequately compensate for wind conditions during the landing roll. Factors contributing to the accident were gusts and crosswinds.
- [NTSB SEA97LA100](https://openairdocs.org/ntsb/SEA97LA100.md): Cessna TR182RG · Ennis, MT · Accident · No injuries · Limited investigation · Final report · May 6, 1997 · N9480R · Substantial damage
  > The pilot's failure to adequately compensate for the wind conditions. Factors contributing to the accident were the gusting winds, and the presence of a ditch on the edge of the landing area.
- [NTSB SEA97LA087](https://openairdocs.org/ntsb/SEA97LA087.md): Cessna A185E · Billings, MT · Accident · No injuries · Limited investigation · Final report · Apr 16, 1997 · N70194 · Substantial damage
  > The flight instructor's inadequate compensation for the wind conditions. The crosswind conditions were a factor.
- [NTSB SEA97LA090](https://openairdocs.org/ntsb/SEA97LA090.md): Taylorcraft BC12-65 · Plentywood, MT · Accident · No injuries · Limited investigation · Final report · Apr 13, 1997 · N33976 · Substantial damage
  > the pilot's inadequate recovery from a bounced landing and failure to maintain control of the airplane. Factors relating to the accident included: the pilot's lack of recent experience in the tailwheel aircraft, his inadequate recurrent training, and…
- [NTSB SEA97FA075](https://openairdocs.org/ntsb/SEA97FA075.md): Cessna T210L · Dillon, MT · Accident · 4 fatal · Field investigation · Final report · Mar 23, 1997 · N22219 · Destroyed
  > flight by the pilot into adverse weather conditions, and his failure to maintaint altitude/clearance from terrain. The adverse weather condition was a related factor.
- [NTSB SEA97LA062](https://openairdocs.org/ntsb/SEA97LA062.md): Hall Kitfox · Billings, MT · Accident · Serious injuries · Limited investigation · Final report · Feb 22, 1997 · N87TJ · Substantial damage
  > The pilot-in-command's failure to maintain flying airspeed while executing a downwind turn at low altitude immediately following takeoff.
- [NTSB SEA97FA044](https://openairdocs.org/ntsb/SEA97FA044.md): Piper PA-24-260 · Winston, MT · Accident · 3 fatal · Field investigation · Final report · Jan 7, 1997 · N9080P · Destroyed
  > Pilot incapacitation due to hypoxia. Failure of the pilot to use available oxygen is a factor.
- [NTSB SEA97FA043](https://openairdocs.org/ntsb/SEA97FA043.md): Piper PA-28R · Fort Smith, MT · Accident · 2 fatal · Field investigation · Final report · Jan 6, 1997 · N3347Q · Destroyed
  > The pilot's failure to maintain clearance from terrain. Factors include the pilot inadvertently becoming lost/disoriented, the dark night (minimum ambient light), and mountainous/hilly terrain.
- [NTSB SEA97LA042](https://openairdocs.org/ntsb/SEA97LA042.md): Cessna 150K · Helena, MT · Accident · No injuries · Limited investigation · Final report · Jan 4, 1997 · N5935G · Substantial damage
  > The pilot's failure to maintain directional control.
- [NTSB SEA97LA036](https://openairdocs.org/ntsb/SEA97LA036.md): Piper PA18-135 · Cohagen, MT · Accident · 2 fatal · Limited investigation · Final report · Dec 5, 1996 · N62100 · Substantial damage
  > The pilot's failure to maintain airspeed. Factors were the intentional flight at a low altitude and the over gross condition of the airplane.
- [NTSB SEA97LA026](https://openairdocs.org/ntsb/SEA97LA026.md): Cessna 182G · Hardin, MT · Accident · No injuries · Limited investigation · Final report · Nov 7, 1996 · N3126S · Substantial damage
  > the pilot's inadequate compensation for the wind conditions during the landing, and his failure to maintain directional control of the aircraft after touched down. Factors relating to the accident included the pilot's abrupt movement of the throttle as he…
- [NTSB SEA97LA019](https://openairdocs.org/ntsb/SEA97LA019.md): Cessna 170B · Utica, MT · Accident · No injuries · Limited investigation · Final report · Oct 25, 1996 · N2419D · Substantial damage
  > The pilot's improper use of the brakes, while landing a tailwheel aircraft in crosswind conditions. The crosswind was a related factor.
- [NTSB SEA96LA219](https://openairdocs.org/ntsb/SEA96LA219.md): Kaman HH-43 B/F · Troy, MT · Accident · Minor injuries · Limited investigation · Final report · Sep 23, 1996 · N4069R · Substantial damage
  > failure of the freewheeling sprag unit bearings for undetermined reasons.
- [NTSB SEA96TA213](https://openairdocs.org/ntsb/SEA96TA213.md): Bell 206B-3 · St Regis, MT · Accident · No injuries · Final report · Sep 13, 1996 · N47MA · Substantial damage
  > failure of the pilot to maintain clearance from electrical transmission lines. The proximity of transmission lines was a related factor.
- [NTSB SEA96LA212](https://openairdocs.org/ntsb/SEA96LA212.md): Grazier Quickie 2 · Superior, MT · Accident · 1 fatal · Limited investigation · Final report · Sep 11, 1996 · N73QQ · Substantial damage
  > loss of engine power after takeoff for undetermined reason(s), and failure of the pilot to maintain adequate airspeed, while maneuvering to return to the departure airport, which resulted in a stall and collision with wooded terrain.
- [NTSB SEA96FA209](https://openairdocs.org/ntsb/SEA96FA209.md): Cessna 340A · Wise River, MT · Accident · 1 fatal · Field investigation · Final report · Sep 5, 1996 · N128RP · Destroyed
  > The pilot's attempt to fly in adverse meteorological conditions which led a loss of aircraft control. Factors contributing to the accident include: the pilot's failure to obtain the most current information of the meteorological conditions prior to departure,…
- [NTSB SEA96LA203](https://openairdocs.org/ntsb/SEA96LA203.md): Forney F-1 · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Aug 25, 1996 · N7551C · Substantial damage
  > the pilot's failure to adequately service the engine with oil before flight, which resulted in a loss of oil pressure and a subsequent forced landing. The high vegetation and embankment at the forced landing site were related factors.
- [NTSB SEA96LA179](https://openairdocs.org/ntsb/SEA96LA179.md): Stinson 108-3 · Culbertson, MT · Accident · No injuries · Limited investigation · Final report · Aug 6, 1996 · CGYYF · Substantial damage
  > the pilot's inadequate compensation for wind conditions, which resulted in a loss of directional control; and her inadequate remedial action for gusty winds after the aircraft departed the runway. Factors relating to the accident were: the strong and gusty…
- [NTSB SEA96LA176](https://openairdocs.org/ntsb/SEA96LA176.md): Grumman-Schweizer G-164A · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Aug 3, 1996 · N9853 · Substantial damage
  > loss of engine power for undetermined reason(s). A factor relating to the accident was: a ditch in the field where the forced landing was executed.
- [NTSB SEA96FA170](https://openairdocs.org/ntsb/SEA96FA170.md): Piper PA-28R-200 · Libby, MT · Accident · 3 fatal · Field investigation · Final report · Jul 26, 1996 · N3071R · Destroyed
  > collision with rising mountainous terrain for unknown reason(s).
- [NTSB SEA96LA153](https://openairdocs.org/ntsb/SEA96LA153.md): Cessna 170B · Lewistown, MT · Accident · No injuries · Limited investigation · Final report · Jul 12, 1996 · N3156A · Substantial damage
  > the pilot's inadequate compensation for the changing wind conditions, and his failure to maintain directional control, which resulted in an inadvertent ground swerve. The sudden windshift was a related factor.

Next page: https://openairdocs.org/ntsb.md?state=MT&page=14

## 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=13&state=MT

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