# 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 14 of 45 · 2,224 cases ## Cases, newest first - [NTSB SEA96LA138](https://openairdocs.org/ntsb/SEA96LA138.md): Cessna A188B · Opheim, MT · Accident · No injuries · Limited investigation · Final report · Jun 29, 1996 · N731ED · Substantial damage > the pilot's failure to follow the proper short field takeoff procedure as specified in the Airplane Flight Manual, his improper use of wing flaps during the takeoff, and his failure to abort the takeoff (while there was sufficient runway remainin). A factor… - [NTSB SEA96FA137](https://openairdocs.org/ntsb/SEA96FA137.md): Piper PA-28R-180 · Pray, MT · Accident · 2 fatal · Field investigation · Final report · Jun 27, 1996 · N7529J · Destroyed > the pilot's delay in initiating a go-around, and his failure to obtain and/or maintain sufficient airspeed to avoid higher terrain during the go-around, which resulted in a stall and collision with terrain. Factors relating to the accident were: the narrow… - [NTSB SEA96LA118](https://openairdocs.org/ntsb/SEA96LA118.md): Cessna 180 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Jun 9, 1996 · N2411C · Substantial damage > failure of the pilot to maintain directional control, due to inadequate compensation for wind conditions. Factors relating to the accident were: the crosswind and soft/wet terrain near the edge of the runway. - [NTSB SEA96LA114](https://openairdocs.org/ntsb/SEA96LA114.md): Cessna T188C · Roundup, MT · Accident · Serious injuries · Limited investigation · Final report · Jun 7, 1996 · N4970J · Destroyed > failure of the pilot to maintain adequate airspeed, during a turn-around maneuver after a swath run, which resulted in an inadvertent stall. - [NTSB SEA96IA104](https://openairdocs.org/ntsb/SEA96IA104.md): Dornier 328 · Billings, MT · Incident · No injuries · Incident investigation · Final report · May 29, 1996 · N336PH · No damage > paint overspray on the elevator trim actuator push rods, which damaged the actuator quad rings during normal operation and allowed water to enter the actuators; and the resultant freezing of the actuators. Factors relating to the incident included the… - [NTSB SEA96LA096](https://openairdocs.org/ntsb/SEA96LA096.md): Tilbert Baby Great Lakes · Stevensville, MT · Accident · No injuries · Limited investigation · Final report · May 20, 1996 · N94AT · Substantial damage > the pilot's inadequate compensation for the wind conditions during the landing roll, which resulted in loss of directional control and an inadvertent ground swerve. Factors relating to the accident were: the adverse wind conditions (crosswind and gusts),… - [NTSB SEA96LA095](https://openairdocs.org/ntsb/SEA96LA095.md): Stinson 108-2 · Cut Bank, MT · Accident · No injuries · Limited investigation · Final report · May 19, 1996 · N9808K · Substantial damage > the pilot's inadequate compensation for the wind conditions during the landing roll, which resulted in a loss of directional control and an inadvertent ground swerve. Factors relating to the accident were: the unfavorable wind conditions (crosswind and… - [NTSB SEA96LA086](https://openairdocs.org/ntsb/SEA96LA086.md): Cessna 150F · Plains, MT · Accident · No injuries · Limited investigation · Final report · Apr 13, 1996 · N8093F · Substantial damage > the pilot's excessive use of brakes during the landing rollout. - [NTSB SEA96LA058](https://openairdocs.org/ntsb/SEA96LA058.md): Beech 35 · Laurel, MT · Accident · No injuries · Limited investigation · Final report · Feb 22, 1996 · N3363V · Substantial damage > the pilot's failure to extend the landing gear. Factors related to the accident were: an inoperative gear warning system, the dark night, and the pilot's failure to follow the checklist. - [NTSB SEA96LA041](https://openairdocs.org/ntsb/SEA96LA041.md): Cessna 172K · Park City, MT · Accident · No injuries · Limited investigation · Final report · Jan 6, 1996 · N172NS · Substantial damage > Inadequate visual lookout by the pilot, and his failure to maintain sufficient altitude/clearance from the transmission line. - [NTSB SEA96LA038](https://openairdocs.org/ntsb/SEA96LA038.md): Beech B100 · Miles City, MT · Accident · No injuries · Limited investigation · Final report · Jan 4, 1996 · N924WS · Substantial damage > Failure of airport personnel to properly remove snow from the runway or issue an appropriate notam concerning the runway condition. Factors relating to the accident were: the low light condition at dawn, and the snowbank or berm that was left on the runway. - [NTSB SEA96FA024](https://openairdocs.org/ntsb/SEA96FA024.md): Beech C24R · Bozeman, MT · Accident · 2 fatal · Field investigation · Final report · Nov 25, 1995 · N3729T · Substantial damage > failure of the pilot to follow the specified approach track (proper IFR procedure), and his associated failure to maintain altitude or clearance from mountainous terrain. Factors relating to the accident were: the pilot's failure to abide by the aircraft… - [NTSB SEA96LA019](https://openairdocs.org/ntsb/SEA96LA019.md): Maule M-6-235 · Wisdom, MT · Accident · No injuries · Limited investigation · Final report · Nov 15, 1995 · N5646Z · Substantial damage > The pilot's failure to maintain clearance from the fence post. Factors include sunglare, slush covered terrain, and the pilot's selection of unsuitable terrain for takeoff. - [NTSB SEA96LA018](https://openairdocs.org/ntsb/SEA96LA018.md): Piper PA-22-160 · Seeley Lake, MT · Accident · No injuries · Limited investigation · Final report · Nov 15, 1995 · N8431D · Substantial damage > The pilot's selection of unsuitable terrain for landing. The snow covered runway was a factor. - [NTSB SEA96LA011](https://openairdocs.org/ntsb/SEA96LA011.md): Cessna 210L · Lincoln, MT · Accident · No injuries · Limited investigation · Final report · Oct 24, 1995 · N1752X · Substantial damage > The failure of the pilot to follow the landing checklist and assure that the landing gear was extended. Factors relating to the accident were: the pilot's diverted attention, and an inoperative landing gear warning system. - [NTSB SEA96LA009](https://openairdocs.org/ntsb/SEA96LA009.md): Cessna 172N · Laurel, MT · Accident · No injuries · Limited investigation · Final report · Oct 19, 1995 · N6477D · Substantial damage > the student pilot's improper planning/decision, which resulted in inadequate altitude/clearance from hangar buildings and a subsequent emergency landing, while attempting to evade a flock of geese. The flock of geese was a related factor. - [NTSB SEA95LA218](https://openairdocs.org/ntsb/SEA95LA218.md): Cessna 180 · Pray, MT · Accident · No injuries · Limited investigation · Final report · Sep 15, 1995 · N11JW · Substantial damage > The loss of directional control due to the loss of right tailwheel steering. Factors in the accident were: a left quartering crosswind and the sloped side of the road. - [NTSB SEA95FA209](https://openairdocs.org/ntsb/SEA95FA209.md): Cessna 180J · Browning, MT · Accident · 1 fatal · Field investigation · Final report · Sep 7, 1995 · N7820K · Destroyed > Clearance from the ground was not maintained while attempting a VFR flight into IMC weather conditions. A factor to the accident was fog. - [NTSB SEA95LA193](https://openairdocs.org/ntsb/SEA95LA193.md): Hall Kitfox 1 · Pompeys Pillar, MT · Accident · No injuries · Limited investigation · Final report · Aug 23, 1995 · N87TJ · Substantial damage > the pilot's delayed decision to abort the takeoff. High density altitude, unavailabilty of aircraft takeoff performance data, and the short rough takeoff area were factors in the accident. - [NTSB SEA95LA190](https://openairdocs.org/ntsb/SEA95LA190.md): Mooney M20K · Roundup, MT · Accident · No injuries · Limited investigation · Final report · Aug 22, 1995 · N1154L · Substantial damage > an engine failure due to foreign object ingestion into the oil pump. A ruptured oil inlet screen contributed to the accident. - [NTSB SEA95LA181](https://openairdocs.org/ntsb/SEA95LA181.md): Taylorcraft BC12D · St. Mary, MT · Accident · Serious injuries · Limited investigation · Final report · Aug 12, 1995 · N43597 · Destroyed > The pilot-in-command's failure to maintain proper altitude while maneuvering in high, mountainous, terrain. The terrain and the downdrafts were factors. - [NTSB SEA95LA173](https://openairdocs.org/ntsb/SEA95LA173.md): Cessna TU206F · Ennis, MT · Accident · No injuries · Limited investigation · Final report · Aug 7, 1995 · N777FN · Substantial damage > The pilot-in-command's inaccurate weather evaluation and continued flight into adverse weather. The microburst was a factor. - [NTSB SEA95FA175](https://openairdocs.org/ntsb/SEA95FA175.md): Beech F33A · Swan Lake, MT · Accident · 2 fatal · Field investigation · Final report · Aug 7, 1995 · N8014R · Destroyed > the pilot's incapacitation due to a heart attack. - [NTSB SEA95LA169](https://openairdocs.org/ntsb/SEA95LA169.md): Cessna 172C · Red Lodge, MT · Accident · No injuries · Limited investigation · Final report · Aug 1, 1995 · N1364Y · Substantial damage > The pilot's failure to maintain airspeed. The pilot's inadequate preflight planning/preparation and selection of unsuitable terrain for landing were factors. - [NTSB SEA95LA161](https://openairdocs.org/ntsb/SEA95LA161.md): Air Tractor AT-301 · Havre, MT · Accident · No injuries · Limited investigation · Final report · Jul 24, 1995 · N3660U · Substantial damage > the loss of power due to a failure of the cylinder head exhaust valve rocker box. The tall crop encountered during the forced landing is a factor. - [NTSB SEA95LA134](https://openairdocs.org/ntsb/SEA95LA134.md): Cessna 210B · Lewiston, MT · Accident · No injuries · Limited investigation · Final report · Jul 1, 1995 · N4GY · Substantial damage > Loss of engine power due to undetermined reasons, and the lack of a suitable area for the forced landing. - [NTSB SEA95LA141](https://openairdocs.org/ntsb/SEA95LA141.md): Mooney M20E · Ronan, MT · Accident · No injuries · Limited investigation · Final report · Jun 29, 1995 · N9273M · Substantial damage > Directional control was not maintained. Factors to the accident were a rough/uneven airstrip and tall vegetation. - [NTSB SEA95LA123](https://openairdocs.org/ntsb/SEA95LA123.md): Piper PA-18A · Laurel, MT · Accident · No injuries · Limited investigation · Final report · Jun 18, 1995 · N1252C · Substantial damage > The selection of unsuitable terrain for landing. A factor to the accident was tall vegetation. - [NTSB SEA95LA121](https://openairdocs.org/ntsb/SEA95LA121.md): Boeing A75N1 · Helena, MT · Accident · No injuries · Limited investigation · Final report · Jun 18, 1995 · N1967M · Substantial damage > The pilots failure to maintain directional control. Contributing to the accident was the crosswind. - [NTSB SEA95LA119](https://openairdocs.org/ntsb/SEA95LA119.md): Grumman G-164B · Helena, MT · Accident · No injuries · Limited investigation · Final report · Jun 15, 1995 · N6669Q · Destroyed > The loss of engine power for undetermined reasons. - [NTSB SEA95LA114](https://openairdocs.org/ntsb/SEA95LA114.md): Cessna 150J · Miles City, MT · Accident · No injuries · Limited investigation · Final report · Jun 6, 1995 · N51146 · Substantial damage > The flight instructor's inadequate supervision. Factors to the accident were: The student pilot's failure to maintain aircraft control and the downdraft. - [NTSB SEA95LA113](https://openairdocs.org/ntsb/SEA95LA113.md): Cessna 180 · Phillipsburg, MT · Accident · No injuries · Limited investigation · Final report · May 28, 1995 · N9115C · Substantial damage > The failure of the dual student to maintain directional control during the bounced landing, and the failure of the certified flight instructor to take adequate remedial action and recover from the loss of directional control. A factor contributing to the… - [NTSB SEA95LA086](https://openairdocs.org/ntsb/SEA95LA086.md): Piper PA-24-250 · Anaconda, MT · Accident · No injuries · Limited investigation · Final report · May 1, 1995 · N6288P · Substantial damage > The pilot's attempt to conduct visual flight into instrument meteorological conditions, and his failure to maintain clearance from terrain. - [NTSB SEA95LA069](https://openairdocs.org/ntsb/SEA95LA069.md): Scheibe Flugzeugbau Bergfalke II-55 · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Mar 18, 1995 · N5924 · Substantial damage > The pilot misjudged his altitude and distance from the runway. A factor was the pilot's failure to obtain the current altimeter setting. - [NTSB SEA95GA062](https://openairdocs.org/ntsb/SEA95GA062.md): Bell 206 · Dillon, MT · Accident · No injuries · Final report · Feb 24, 1995 · N2277T · Substantial damage > The pilot's selection of a landing site that was not suitable to support the weight of the helicopter. Factors include terrain covered with soft snow. - [NTSB SEA95LA050](https://openairdocs.org/ntsb/SEA95LA050.md): Beech S-35 · Wolf Point, MT · Accident · No injuries · Limited investigation · Final report · Feb 11, 1995 · N8828M · Substantial damage > The loss of power due to lost oil pressure and a failed connecting rod. Factors include fence posts and dusk lighting conditions which limited visibility. - [NTSB SEA95FA043](https://openairdocs.org/ntsb/SEA95FA043.md): Beech E18S · Butte, MT · Accident · 1 fatal · Field investigation · Final report · Jan 27, 1995 · N250RP · Substantial damage > The pilot's failure to follow the IFR procedure by not maintaining the proper altitude prior to the initial appraoch fix. Factors to the accident were dark night conditions and a low ceiling. - [NTSB SEA95FA025](https://openairdocs.org/ntsb/SEA95FA025.md): Piper PA-31T1 · Brockway, MT · Accident · 2 fatal · Field investigation · Final report · Nov 30, 1994 · N22CN · Destroyed > a loss of control for undetermined reasons. - [NTSB SEA95IA021](https://openairdocs.org/ntsb/SEA95IA021.md): Fairchild SA227 · Missoula, MT · Incident · No injuries · Incident investigation · Final report · Nov 17, 1994 · N380PH · Minor damage > The fatigue failure of the first stage compressor impeller. - [NTSB SEA95FA017](https://openairdocs.org/ntsb/SEA95FA017.md): Beech 58P · Great Falls, MT · Accident · 4 fatal · Field investigation · Final report · Nov 8, 1994 · N180PB · Substantial damage > The pilot's failure to maintain airspeed. A factor to the accident was: inadequate aircraft preflight. - [NTSB SEA95LA001](https://openairdocs.org/ntsb/SEA95LA001.md): Maule M-5-235C · Billings, MT · Accident · No injuries · Limited investigation · Final report · Oct 1, 1994 · N664G · Substantial damage > Inadequate compensation for wind conditions. Factors to the accident were: crosswind and inadequate remedial action. - [NTSB SEA94LA240](https://openairdocs.org/ntsb/SEA94LA240.md): Cessna 180G · Cut Bank, MT · Accident · No injuries · Limited investigation · Final report · Sep 15, 1994 · N4734U · Substantial damage > Inadequate compensation for wind conditions. A factor to the accident was wind gusts. - [NTSB SEA94LA244](https://openairdocs.org/ntsb/SEA94LA244.md): I.C.A. Brasov IS-28B2 · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Sep 10, 1994 · N28KG · Substantial damage > The student pilot's improper compensation for wind. The crosswind was a factor. - [NTSB SEA94FA237](https://openairdocs.org/ntsb/SEA94FA237.md): Piper J3C-65 · Dixon, MT · Accident · 2 fatal · Field investigation · Final report · Sep 9, 1994 · N42056 · Destroyed > The pilot in command's allowing the aircraft airspeed to decrease below the stall speed. - [NTSB SEA94LA236](https://openairdocs.org/ntsb/SEA94LA236.md): Cessna 182 · Circle, MT · Accident · No injuries · Limited investigation · Final report · Sep 8, 1994 · N2889R · Substantial damage > The failure of the pilot-in-command (CFI) to perform an adequate preflight inspection of the airplane, including the proper securing of the fuel cap. The pilot's failure to divert to the nearest airport after recognizing excessive fuel consumption was a… - [NTSB SEA94LA234](https://openairdocs.org/ntsb/SEA94LA234.md): Cessna A185F · Conrad, MT · Accident · No injuries · Limited investigation · Final report · Sep 7, 1994 · N5387H · Substantial damage > The cfi's failure to assure an adequate inspection of the aircraft, including the proper engagement and function of the rudder pedals, prior to the flight. - [NTSB SEA94T#A05](https://openairdocs.org/ntsb/SEA94T%23A05.md): Bell 206L3 · Libby, MT · Accident · No injuries · Class 3 · Final report · Sep 3, 1994 · N206LB · Substantial damage - [NTSB SEA94LA228](https://openairdocs.org/ntsb/SEA94LA228.md): Sikorsky S-64F · Libby, MT · Accident · Minor injuries · Limited investigation · Final report · Sep 1, 1994 · N165AC · Destroyed > The flight crew allowed the helicopter's weight and balance to be exceeded, and the external load (tank) jettison system failed to operate. A factor related to the accident was: the false indication on the retardant quantity indicator. - [NTSB SEA94LA218](https://openairdocs.org/ntsb/SEA94LA218.md): Beech 99 · Helena, MT · Accident · No injuries · Limited investigation · Final report · Aug 20, 1994 · N14MV · Substantial damage > Landing gear locking mechanism overload and improper rigging. - [NTSB SEA94LA202](https://openairdocs.org/ntsb/SEA94LA202.md): Groce Vans RV-4 · Glendive, MT · Accident · 1 fatal · Limited investigation · Final report · Aug 1, 1994 · N7GJ · Destroyed > Airspeed was not maintained after takeoff. A factor was high density altitude. Next page: https://openairdocs.org/ntsb.md?state=MT&page=15 ## 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=14&state=MT --- 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.