# 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 15 of 45 · 2,224 cases

## Cases, newest first

- [NTSB SEA94T#A02](https://openairdocs.org/ntsb/SEA94T%23A02.md): Lockheed P2V-7 · Missoula, MT · Accident · No injuries · Class 3 · Final report · Jul 29, 1994 · N918AP · Destroyed
- [NTSB SEA94FA163](https://openairdocs.org/ntsb/SEA94FA163.md): Piper J3C-65 · Seeley Lake, MT · Accident · 1 fatal · Field investigation · Final report · Jul 4, 1994 · N88114 · Destroyed
  > The pilot in command's failure to maintain flying airspeed.
- [NTSB SEA94LA158](https://openairdocs.org/ntsb/SEA94LA158.md): Cessna A188 · Cut Bank, MT · Accident · No injuries · Limited investigation · Final report · Jun 22, 1994 · N9879V · Substantial damage
  > The pilot's failure to adequately compensate for wind conditions. The crosswind and the ditch were factors.
- [NTSB SEA94LA146](https://openairdocs.org/ntsb/SEA94LA146.md): Cessna 170A · Wolf Creek, MT · Accident · No injuries · Limited investigation · Final report · Jun 12, 1994 · N1389D · Substantial damage
  > Poor in flight planning. The mountainous terrain was a factor.
- [NTSB SEA94LA140](https://openairdocs.org/ntsb/SEA94LA140.md): Piper PA-18 · Culbertson, MT · Accident · No injuries · Limited investigation · Final report · Jun 5, 1994 · N4509Y · Substantial damage
  > The pilot's failure to maintain directional control. Factors include gusty crosswinds, and a fence near the point of takeoff.
- [NTSB SEA94LA152](https://openairdocs.org/ntsb/SEA94LA152.md): Cessna T188C · Angela, MT · Accident · No injuries · Limited investigation · Final report · Jun 4, 1994 · N2535J · Substantial damage
  > Directional control was not maintained. Factors to the accident were: wet terrain and inadequate aircraft preflight.
- [NTSB SEA94LA132](https://openairdocs.org/ntsb/SEA94LA132.md): Piper PA-12 · Nashua, MT · Accident · Serious injuries · Limited investigation · Final report · May 27, 1994 · N3960M · Substantial damage
  > Airspeed was not maintained. Factors include an inadvertent stall.
- [NTSB SEA94LA128](https://openairdocs.org/ntsb/SEA94LA128.md): Bell 204B · Libby, MT · Accident · Serious injuries · Limited investigation · Final report · May 27, 1994 · N911SW · Substantial damage
  > The fatigue fracture of the 42 degree gear box input pinion. Factors include unsuitable, mountainous/hilly terrain.
- [NTSB SEA94LA122](https://openairdocs.org/ntsb/SEA94LA122.md): Vickers Spitfire Mark Xviii · Great Falls, MT · Accident · 1 fatal · Limited investigation · Final report · May 19, 1994 · N41702 · Destroyed
  > The pilot's failure to maintain aircraft control while in instrument meteorological conditions (IMC). Factors include the pilot's poor inflight decision to attempt an IMC climb in an aircraft not certified for instrument flight rules (IFR) operation, and his…
- [NTSB SEA94LA113](https://openairdocs.org/ntsb/SEA94LA113.md): Cessna 172N · Monarch, MT · Accident · Minor injuries · Limited investigation · Final report · Apr 30, 1994 · N739CW · Substantial damage
  > Poor in flight planning/decision. A factor to the accident was downdrafts.
- [NTSB SEA94LA086](https://openairdocs.org/ntsb/SEA94LA086.md): Cessna 182G · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Mar 18, 1994 · N2399R · Destroyed
  > The loss of engine power for undetermined reasons. The intentional ground loop and the fence were factors in the accident.
- [NTSB SEA94LA074](https://openairdocs.org/ntsb/SEA94LA074.md): Beech 58P · Billings, MT · Accident · No injuries · Limited investigation · Final report · Mar 6, 1994 · N717HL · Substantial damage
  > The pilot's inadvertent retraction of the landing gear while on the runway.
- [NTSB SEA94LA059](https://openairdocs.org/ntsb/SEA94LA059.md): Cessna T210N · Havre, MT · Accident · No injuries · Limited investigation · Final report · Feb 8, 1994 · N5520A · Substantial damage
  > An undetermined loss of engine power.
- [NTSB SEA94LA058](https://openairdocs.org/ntsb/SEA94LA058.md): Cessna 402C · Billings, MT · Accident · No injuries · Limited investigation · Final report · Feb 7, 1994 · N2718Y · Substantial damage
  > The nose gear actuator froze. A factor to the accident was temperature extremes.
- [NTSB SEA94LA056](https://openairdocs.org/ntsb/SEA94LA056.md): Taylorcraft BC12-D · Sidney, MT · Accident · No injuries · Limited investigation · Final report · Jan 22, 1994 · N95900 · Substantial damage
  > The pilot's inadequate compensation for the crosswind resulting in loss of directional control.
- [NTSB SEA94LA048](https://openairdocs.org/ntsb/SEA94LA048.md): Piper PA-18-150 · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Jan 11, 1994 · N82166 · Substantial damage
  > The pilot/passenger's failure to maintain directional control and the pilot in command's failure to properly supervise the landing.
- [NTSB SEA94LA022](https://openairdocs.org/ntsb/SEA94LA022.md): Beech A-35 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Oct 30, 1993 · N575B · Substantial damage
  > The pilot's failure to maintain directional control during the go-around. Factors include proper airspeed not being maintained, and gusty crosswinds.
- [NTSB SEA94LA019](https://openairdocs.org/ntsb/SEA94LA019.md): Piper PA-12 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Oct 22, 1993 · N3568M · Substantial damage
  > The pilot's improper recovery from a bounced landing, and failure to maintain directional control of the airplane. Factors related to the accident were: the pilot's improper flare for landing, the resultant porpoise, and the ditch near the side of the runway.
- [NTSB SEA94LA003](https://openairdocs.org/ntsb/SEA94LA003.md): Cessna 180H · Denton, MT · Accident · Serious injuries · Limited investigation · Final report · Oct 3, 1993 · N9002M · Substantial damage
  > The pilot in command's failure to maintain adequate clearance with terrain. Factors contributing to the accident were unfavorable winds and the pilot in command's inadquate compensation (premature crosswind turn) for the wind conditions.
- [NTSB SEA93LA216](https://openairdocs.org/ntsb/SEA93LA216.md): Let Blanik L-13 · Clinton, MT · Accident · No injuries · Limited investigation · Final report · Sep 26, 1993 · N52AS · Substantial damage
  > Total failure of the tow equipment.
- [NTSB SEA93LA210](https://openairdocs.org/ntsb/SEA93LA210.md): White BD-5 · Helena, MT · Accident · No injuries · Limited investigation · Final report · Sep 25, 1993 · N273GW · Substantial damage
  > The pilot's failure to maintain airspeed. The pilot's lack of experience in this make and model aircraft was a factor.
- [NTSB SEA93FA205](https://openairdocs.org/ntsb/SEA93FA205.md): Cessna 185A · De Borgia, MT · Accident · 2 fatal · Field investigation · Final report · Sep 22, 1993 · N4176Y · Destroyed
  > The pilot's poor in-flight planning/decision and his failure to maintain airspeed above a stall.
- [NTSB SEA93LA195](https://openairdocs.org/ntsb/SEA93LA195.md): Cessna A188B · Ringling, MT · Accident · No injuries · Limited investigation · Final report · Sep 9, 1993 · N731ED · Substantial damage
  > The pilot's failure to maintain airspeed.
- [NTSB SEA93LA189](https://openairdocs.org/ntsb/SEA93LA189.md): Cessna 150M · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Sep 2, 1993 · N3305V · Destroyed
  > The loss of engine power from fuel exhaustion due to inadequate preflt planning/preparation by the PIC. A factor related to the accident was the rough/uneven terrain at the accident site.
- [NTSB SEA93LA188](https://openairdocs.org/ntsb/SEA93LA188.md): Cessna A188B · Three Forks, MT · Accident · Serious injuries · Limited investigation · Final report · Sep 2, 1993 · N21861 · Destroyed
  > The pilot's failure to maintain flying speed resulting in a stall/mush. The high density altitude and the pilot's failure to completely jettison his load were factors.
- [NTSB SEA93LA171](https://openairdocs.org/ntsb/SEA93LA171.md): Cessna 188 · Marion, MT · Accident · No injuries · Limited investigation · Final report · Aug 8, 1993 · N9802V · Substantial damage
  > The premature liftoff for takeoff by the pilot and the inadvertant stall/mush. A factor relating to the accident was the high density altitude.
- [NTSB SEA93LA163](https://openairdocs.org/ntsb/SEA93LA163.md): Cessna 195 · Pray, MT · Accident · No injuries · Limited investigation · Final report · Jul 27, 1993 · N9836A · Substantial damage
  > The PIC failed to maintain directional control. A factor relating to the accident was the tailwind weather condition.
- [NTSB SEA93LA156](https://openairdocs.org/ntsb/SEA93LA156.md): Stark Rand KR-2 · Townsend, MT · Accident · 1 fatal · Limited investigation · Final report · Jul 18, 1993 · N2AL · Destroyed
  > The loss of engine power due to the failure of the improperly modified magneto and loss of control in flight by the PIC while maneuvering to return to the airport.
- [NTSB SEA93LA143](https://openairdocs.org/ntsb/SEA93LA143.md): Cessna 180 · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Jun 25, 1993 · N8047Z · Substantial damage
  > Directional control was not maintained. A factor to the accident was: inadequate remedial action.
- [NTSB SEA93LA135](https://openairdocs.org/ntsb/SEA93LA135.md): Bell 206B · Harlem, MT · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 1993 · N33EA · Substantial damage
  > The improper refueling system procedures which allowed water to contaminate the aircraft fuel and the pilot's inadequate preflight.
- [NTSB SEA93LA132](https://openairdocs.org/ntsb/SEA93LA132.md): Cessna T-188C · Augusta, MT · Accident · Minor injuries · Limited investigation · Final report · Jun 17, 1993 · N9952J · Substantial damage
  > The pilot's failure to maintain airspeed and terrain clearance while maneuvering on an aerial application flight. A factor relating to the accident was the pilot's diverted attention.
- [NTSB SEA93LA128](https://openairdocs.org/ntsb/SEA93LA128.md): Beech A23-24 · Havre, MT · Accident · No injuries · Limited investigation · Final report · Jun 4, 1993 · N4741J · Substantial damage
  > The pilot in command misjudged his clearance from a ditch, and his use of improper remedial action.
- [NTSB SEA93LA112](https://openairdocs.org/ntsb/SEA93LA112.md): Boeing A75N1 · Hardin, MT · Accident · No injuries · Limited investigation · Final report · May 19, 1993 · N9041R · Substantial damage
  > The pilot in command's failure to maintain directional control.
- [NTSB SEA93LA106](https://openairdocs.org/ntsb/SEA93LA106.md): Piper PA-36 · Fort Benton, MT · Accident · No injuries · Limited investigation · Final report · May 9, 1993 · N56542 · Substantial damage
  > Inadequate inflight planning/decision. Factors to the accident were: turbulence, downdrafts, poor weather evaluation and altitude not maintained.
- [NTSB SEA93LA098](https://openairdocs.org/ntsb/SEA93LA098.md): Ercoupe 415-C · Helena, MT · Accident · Minor injuries · Limited investigation · Final report · Apr 17, 1993 · N94142 · Destroyed
  > The inadequate lookout by the PIC and his failure to maintain clearance from electrical wires. A factor relating to the accident was the presence of electrical wires near the approach end of the airstrip.
- [NTSB SEA93LA096](https://openairdocs.org/ntsb/SEA93LA096.md): Cessna T-210N · Laurel, MT · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 1993 · N9605Y · Substantial damage
  > The loss of engine power from fuel exhaustion due to the pilot's failure to ensure an adequate supply of fuel for the flt.
- [NTSB SEA93LA093](https://openairdocs.org/ntsb/SEA93LA093.md): Cessna 172K · Pony, MT · Accident · No injuries · Limited investigation · Final report · Apr 14, 1993 · N79505 · Destroyed
  > The improper preflt planning by the PIC and his failure to attain takeoff airspeed during ground roll on a soft snow covered airstrip. A factor relating to the accident was the soft snow on the airstrip.
- [NTSB SEA93LA090](https://openairdocs.org/ntsb/SEA93LA090.md): Cessna 182M · Hamilton, MT · Accident · Minor injuries · Limited investigation · Final report · Apr 8, 1993 · N71654 · Substantial damage
  > The pilot's improper use of carburetor heat. A factor which contributed to the accident was the carburetor icing conditions.
- [NTSB SEA93LA083](https://openairdocs.org/ntsb/SEA93LA083.md): Cessna 150 · Laurel, MT · Accident · No injuries · Limited investigation · Final report · Mar 26, 1993 · N6581T · Substantial damage
  > The loss of engine power, undetermined.
- [NTSB SEA93LA068](https://openairdocs.org/ntsb/SEA93LA068.md): Piper PA-18-150 · Winnett, MT · Accident · No injuries · Limited investigation · Final report · Feb 28, 1993 · N789FG · Substantial damage
  > The student pilot's failure to maintain directional control. Factors contributing to the accident were the snowbank and lack of total experience in type operation.
- [NTSB SEA93GA052](https://openairdocs.org/ntsb/SEA93GA052.md): Hiller UH-12E · Chinook, MT · Accident · 1 fatal · Final report · Jan 15, 1993 · N28908 · Minor damage
  > Inattentive FBO personnel.
- [NTSB SEA93LA047](https://openairdocs.org/ntsb/SEA93LA047.md): Aero Commander AC-500B · Billings, MT · Accident · No injuries · Limited investigation · Final report · Dec 29, 1992 · N2783Q · Substantial damage
  > Loss of engine power on both engines for undetermined reasons and left main landing gear not down and locked on touchdown.
- [NTSB SEA93GA041](https://openairdocs.org/ntsb/SEA93GA041.md): Cessna 550 · Billings, MT · Accident · 8 fatal · Final report · Dec 18, 1992 · N6887Y · Destroyed
  > The pilot-in-command's failure to follow established vortex avoidance procedures, as published in the airman's information manual, to provide his own wake turbulence separation.
- [NTSB SEA93LA027](https://openairdocs.org/ntsb/SEA93LA027.md): Swearingen SA-226TC · Billings, MT · Accident · No injuries · Limited investigation · Final report · Nov 21, 1992 · N139PA · Substantial damage
  > Failure of a gear door roller, which necessitated a gear up landing. Factors include inadequate lubrication.
- [NTSB SEA92LA215](https://openairdocs.org/ntsb/SEA92LA215.md): Cessna T210N · Helena, MT · Accident · Minor injuries · Limited investigation · Final report · Sep 27, 1992 · N1911U · Substantial damage
  > Fuel exhaustion, the pilot in command's failure to refuel en route and the inability of the pilot in command to avoid the fence during the landing roll. Factors contributing to the accident were dark night conditions and the fence.
- [NTSB SEA92LA213](https://openairdocs.org/ntsb/SEA92LA213.md): Cessna 172M · Lloyd, MT · Accident · No injuries · Limited investigation · Final report · Sep 19, 1992 · N12089 · Substantial damage
  > The pilot in command's failure to maintain directional control. A factor contributing to the accident was wind gusts.
- [NTSB SEA92LA185](https://openairdocs.org/ntsb/SEA92LA185.md): Schaknowski Dyke Delta JD-2 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Aug 21, 1992 · N78BS · Substantial damage
  > Fatigue of the left main landing gear axle.
- [NTSB SEA92LA179](https://openairdocs.org/ntsb/SEA92LA179.md): Cessna A185F · Ennis, MT · Accident · No injuries · Limited investigation · Final report · Aug 13, 1992 · N1207Q · Substantial damage
  > Directional control was not maintained. Factors to the accident were: a loose gravel airstrip, wind gusts and inadequate remedial action.
- [NTSB SEA92LA176](https://openairdocs.org/ntsb/SEA92LA176.md): Cessna 180K · Wibaux, MT · Accident · No injuries · Limited investigation · Final report · Aug 10, 1992 · N63242 · Substantial damage
  > A poorly planned approach.
- [NTSB SEA92LA171](https://openairdocs.org/ntsb/SEA92LA171.md): Boeing B-75 · Three Forks, MT · Accident · No injuries · Limited investigation · Final report · Aug 1, 1992 · N5176N · Substantial damage
  > The pilot's failure to maintain directional control. Factors include a crosswind gust.

Next page: https://openairdocs.org/ntsb.md?state=MT&page=16

## 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=15&state=MT

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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.