# 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 9 of 45 · 2,224 cases ## Cases, newest first - [NTSB SEA06CA073](https://openairdocs.org/ntsb/SEA06CA073.md): Cessna 170B · Havre, MT · Accident · No injuries · Data collection · Final report · Apr 10, 2006 · N2831C · Substantial damage > The pilot's improper starting procedures in attempting to hand-prop the airplane's engine. Contributing factors were the discharged battery, the failure of the right parking brake and the hangar which the aircraft collided with. - [NTSB SEA06FA068](https://openairdocs.org/ntsb/SEA06FA068.md): Beech C99 · Butte, MT · Accident · 2 fatal · Field investigation · Final report · Mar 18, 2006 · N54RP · Substantial damage > The second pilot's failure to follow the published instrument approach procedure and the captain/PIC's inadequate supervision. Snow and mountain obscuration were factors. - [NTSB SEA06LA052](https://openairdocs.org/ntsb/SEA06LA052.md): Robinson R44 · Helena, MT · Accident · 1 fatal · Limited investigation · Final report · Feb 6, 2006 · N7085U · Destroyed > The pilot's intentional suicide. The unauthorized use of a helicopter and impairment by alcohol were factors. - [NTSB SEA06LA029](https://openairdocs.org/ntsb/SEA06LA029.md): Piper PA-28-181 · Butte, MT · Accident · 1 fatal · Limited investigation · Final report · Dec 17, 2005 · N4350F · Destroyed > The pilot's failure to maintain clearance from the terrain during low-level maneuvering at night. Factors included the pilot’s improper in-flight decision to continue into an area that was forecasted to possibly contain snow, fog, and low ceilings. Additional… - [NTSB SEA06FA022](https://openairdocs.org/ntsb/SEA06FA022.md): Cessna 425 · Belgrade, MT · Accident · 1 fatal · Field investigation · Final report · Nov 30, 2005 · N701QR · Destroyed > The pilot's failure to maintain airspeed during the approach which resulted in an inadvertent stall. Factors associated with the accident were dark night conditions, clouds, icing conditions, low visibility and snow. - [NTSB SEA05LA189](https://openairdocs.org/ntsb/SEA05LA189.md): Ballhagen/Shyrock Q-2 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Sep 2, 2005 · N12QJ · Substantial damage > The pilot/owner's improper setting of the engine's valve clearance, leading to the failure of the exhaust valves to fully close and a total loss of power while on a VFR downwind, and the pilot/owner's failure to maintain sufficient airspeed as he tried to… - [NTSB SEA05LA176](https://openairdocs.org/ntsb/SEA05LA176.md): Alon A-2A · Helena, MT · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 2005 · N5467F · Substantial damage > The loss of engine power for undetermined reasons, which resulted in a forced landing and nose over. A factor contributing to the accident was the ground bordering the runway pavement. - [NTSB SEA05CA149](https://openairdocs.org/ntsb/SEA05CA149.md): Hughes 269A · Laurel, MT · Accident · Minor injuries · Data collection · Final report · Jul 21, 2005 · N801CP · Substantial damage > the pilot's failure to maintain rotor rpm while executing a pinnacle approach, which resulted in a loss of control and collision with terrain. - [NTSB SEA05CA148](https://openairdocs.org/ntsb/SEA05CA148.md): Piper PA-16 · Park City, MT · Accident · No injuries · Data collection · Final report · Jul 20, 2005 · N5942H · Substantial damage > The failure of the pilot to maintain directional control of the airplane on the takeoff roll. Factors contributing to the accident included the loose gravel, ditch, and the fence. - [NTSB SEA05CA135](https://openairdocs.org/ntsb/SEA05CA135.md): Cessna 170B · Laurel, MT · Accident · No injuries · Data collection · Final report · Jun 28, 2005 · N2619D · Substantial damage > The flight instructor's failure to maintain directional control during the landing roll, which resulted in an inadvertent ground loop. A contributing factor was the flight instructor's diverted attention to talking with the student. - [NTSB SEA05FA124](https://openairdocs.org/ntsb/SEA05FA124.md): Cessna 320E · Missoula, MT · Accident · Serious injuries · Field investigation · Final report · Jun 21, 2005 · N3438Q · Destroyed > Terrain clearance was not possible as a result of a right engine failure. Factors contributing to the accident included the rising terrain, foreign material being ingested into the engine's turbocharger, which obstructed the turbocharger's impeller, the… - [NTSB SEA05LA121](https://openairdocs.org/ntsb/SEA05LA121.md): Cessna 188A · Fairview, MT · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 2005 · N2133U · Substantial damage > While in cruise flight a separation of a propeller blade as a result of a propeller hub crack. Factors contributing to the accident included the installation of an unapproved propeller, and the failure to properly service the propeller with red dyed oil for… - [NTSB SEA05LA120](https://openairdocs.org/ntsb/SEA05LA120.md): MBB BO-105 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Jun 17, 2005 · N314MS · Substantial damage > The pilot's improper in-flight decision to continue a simulated engine-out autorotation after sensing an excessive descent rate at 100 feet above the ground. Factors include the excessive descent rate, variable winds, and a high density altitude. - [NTSB SEA05CA117](https://openairdocs.org/ntsb/SEA05CA117.md): Piper PA-25-260 · Geraldine, MT · Accident · Minor injuries · Data collection · Final report · Jun 12, 2005 · N4768Y · Substantial damage > The pilot's failure to maintain clearance with rising terrain. Rising terrain was a factor. - [NTSB SEA05CA109](https://openairdocs.org/ntsb/SEA05CA109.md): Jackson Rans S-6S · Laurel, MT · Accident · No injuries · Data collection · Final report · May 28, 2005 · N133DJ · Substantial damage > The flight instructor's inadequate remedial action which resulted in a stall/spin during final approach to land. A contributing factor was the student pilot's failure to maintain adequate airspeed during the landing approach. - [NTSB SEA05LA100](https://openairdocs.org/ntsb/SEA05LA100.md): Cessna 152TW · Missoula, MT · Accident · No injuries · Limited investigation · Final report · May 12, 2005 · N7866Z · Substantial damage > The pilot's failure to maintain clearance from a taxiway identification sign as he attempted to turn off the runway onto the taxiway during the last part of the landing roll. Factors include a taxiway identification sign in the vicinity of the intersection of… - [NTSB SEA05FA092](https://openairdocs.org/ntsb/SEA05FA092.md): Cessna T210N · Kalispell, MT · Accident · 2 fatal · Field investigation · Final report · May 3, 2005 · N106PM · Destroyed > Loss of aircraft control during climb while in instrument meteorological conditions. Icing conditions was a factor. - [NTSB SEA05CA088](https://openairdocs.org/ntsb/SEA05CA088.md): Cessna 150L · Eureka, MT · Accident · No injuries · Data collection · Final report · Apr 27, 2005 · N1387Q · Substantial damage > The pilot's failure to adequately compensate for the wind conditions during the landing roll. Factors include a 10 knot crosswind, with gusts up to 15 knots, and a taxiway sign near the point where the aircraft exited the runway. - [NTSB SEA05LA084](https://openairdocs.org/ntsb/SEA05LA084.md): Cessna T210N · Kalispell, MT · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 2005 · N2AK · Destroyed > An airborne fire which was fueled by leaking hydraulic fluid (the ignition source for the fire was undetermined) from the landing gear hydraulic system located under the cockpit instrument panel due to inadequate maintenance from other maintenance personnel.… - [NTSB SEA05CA083](https://openairdocs.org/ntsb/SEA05CA083.md): Hughes 269A · Whitefish, MT · Accident · No injuries · Data collection · Final report · Apr 17, 2005 · N7054C · Substantial damage > The student pilot's failure to maintain control of the helicopter while hovering resulting in an in-flight collision with terrain. Gusting winds and the student pilot's inadequate compensation for the wind conditions were contributing factors. - [NTSB SEA05LA066](https://openairdocs.org/ntsb/SEA05LA066.md): Abbott Glasair Legend · Cascade, MT · Accident · No injuries · Limited investigation · Final report · Mar 24, 2005 · C-GUTT · Substantial damage > The accumulation of wet snow on the engine inlet assembly protection screen during a rapid increase in outside air temperature, while on an instrument approach for landing. Factors include falling snow, a sudden and significant increase in outside air… - [NTSB SEA05CA050](https://openairdocs.org/ntsb/SEA05CA050.md): Aviat Husky A-1 · Kalispell, MT · Accident · No injuries · Data collection · Final report · Feb 17, 2005 · N22HU · Substantial damage > The pilot's failure to maintain clearance from a tree located off the departure end of his private airstrip during an aborted landing attempt. Factors include trees located near the departure end of the runway. - [NTSB SEA05LA048](https://openairdocs.org/ntsb/SEA05LA048.md): Piper PA-28-140 · Superior, MT · Accident · No injuries · Limited investigation · Final report · Feb 9, 2005 · N6399W · Substantial damage > A loss of engine power due to the pilot's inadequate planning/decision and improper fuel management, which resulted in fuel starvation. A contributing factor was the berm. - [NTSB SEA05CA033](https://openairdocs.org/ntsb/SEA05CA033.md): Cessna 180 · Billings, MT · Accident · No injuries · Data collection · Final report · Jan 10, 2005 · N8609X · Substantial damage > The pilot's improper flare and his failure to maintain aircraft control. The pilot's improper recovery from a bounced landing is a contributing factor. - [NTSB SEA05LA032](https://openairdocs.org/ntsb/SEA05LA032.md): Aerostar 601 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Dec 30, 2004 · N601DF · Destroyed > A partial loss of engine power due to the lack of lubrication and subsequent failure of the left engine's right turbocharger for undetermined reasons, and subsequent forced landing after takeoff. A factor was the unsuitable terrain for the forced landing. - [NTSB SEA05FA023](https://openairdocs.org/ntsb/SEA05FA023.md): Cirrus Design SR22 · Belgrade, MT · Accident · 3 fatal · Field investigation · Final report · Dec 4, 2004 · N1159C · Destroyed > The pilot's failure to maintain altitude/clearance while maneuvering in mountainous terrain, which resulted in an inflight collision with trees and terrain. Contributing factors were the mountainous terrain and the downdraft. - [NTSB SEA05LA011](https://openairdocs.org/ntsb/SEA05LA011.md): Cessna T210H · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Oct 23, 2004 · N2240R · Substantial damage > The pilot's failure to follow published procedures/directives (inducing excessive fuel flow to the engine), and the subsequent loss of engine power for nonmechanical reasons while on final approach. Contributing factors were the utility pole and the ditch. - [NTSB SEA05LA001](https://openairdocs.org/ntsb/SEA05LA001.md): Aviat A-1 · Winifred, MT · Accident · Minor injuries · Limited investigation · Final report · Oct 19, 2004 · N79795 · Substantial damage > The pilot's failure to maintain airspeed which resulted in an aerodynamic stall while maneuvering. - [NTSB SEA05LA010](https://openairdocs.org/ntsb/SEA05LA010.md): Beech 99A · Billings, MT · Accident · No injuries · Limited investigation · Final report · Oct 18, 2004 · N955AA · Substantial damage > the pilot's failure to follow the instrument approach procedure, which resulted in a premature descent below the decision height and subsequent collision with a building. - [NTSB SEA05LA002](https://openairdocs.org/ntsb/SEA05LA002.md): Cessna 150G · Augusta, MT · Accident · Minor injuries · Limited investigation · Final report · Oct 2, 2004 · N3086R · Substantial damage > The pilot's failure to maintain adequate obstacle clearance which resulted in the in-flight collision with rising terrain. Trees and rising terrain are factors in the accident. - [NTSB SEA04GA192](https://openairdocs.org/ntsb/SEA04GA192.md): Cessna U206G · Essex, MT · Accident · 3 fatal · Final report · Sep 20, 2004 · N206SM · Destroyed > The pilot's misidentification of the airplane's location, which resulted in his improper decision to fly into the wrong drainage, and his failure to maintain terrain clearance while executing a turn to reverse course after he realized his navigational error.… - [NTSB SEA04FA173](https://openairdocs.org/ntsb/SEA04FA173.md): Beech C35 · Kalispell, MT · Accident · 2 fatal · Field investigation · Final report · Aug 29, 2004 · N63AC · Destroyed > The pilot's improper positioning of the fuel tank selector, which resulted in fuel starvation and a subsequent loss of engine power while maneuvering. - [NTSB SEA04LA168](https://openairdocs.org/ntsb/SEA04LA168.md): Cessna 150L · Angela, MT · Accident · 1 fatal · Limited investigation · Final report · Aug 19, 2004 · N17062 · Destroyed > The failure of the pilot to maintain clearance while maneuvering. A factor contributing to the accident was the physical impairment of the pilot due to an elevated blood alcohol level. - [NTSB SEA04FA166](https://openairdocs.org/ntsb/SEA04FA166.md): Beech BE-99 · Neihart, MT · Accident · 2 fatal · Field investigation · Final report · Aug 18, 2004 · N199GL · Destroyed > The pilot's failure to maintain adequate terrain clearance during cruise, which resulted in the in-flight collision with mountainous terrain. Dark night conditions and mountainous terrain were contributing factors. - [NTSB SEA04CA151](https://openairdocs.org/ntsb/SEA04CA151.md): Piper PA22-20 · Wht Sulphur Spg, MT · Accident · No injuries · Data collection · Final report · Aug 1, 2004 · N3838P · Substantial damage > The failure of the private pilot receiving flight training for a tail wheel endorsement to maintain aircraft control, and his excessive braking during the landing roll, subsequently nosing over the airplane. A contributing factor was the flight instructor's… - [NTSB SEA04CA142](https://openairdocs.org/ntsb/SEA04CA142.md): Cessna 182N · Bainville, MT · Accident · No injuries · Data collection · Final report · Jul 24, 2004 · N92824 · Substantial damage > The pilot's misjudgment of his airspeed on landing, and his subsequent overrunning of the runway. A contributing factor was the trees. - [NTSB SEA04CA138](https://openairdocs.org/ntsb/SEA04CA138.md): Cessna A185F · Cut Bank, MT · Accident · No injuries · Data collection · Final report · Jul 16, 2004 · N185S · Substantial damage > The pilot's failure to maintain directional control during the takeoff roll. - [NTSB SEA04LA119](https://openairdocs.org/ntsb/SEA04LA119.md): Apco Powered Parachute · Wolf Point, MT · Accident · 2 fatal · Limited investigation · Final report · Jun 29, 2004 · UNREG · Destroyed > The pilot's loss of control as a result of trying a low altitude quick turning maneuver. A factor was the pilot's lack of experience in the aircraft. - [NTSB SEA04LA118](https://openairdocs.org/ntsb/SEA04LA118.md): Maule M-7-235C · Miles City, MT · Accident · No injuries · Limited investigation · Final report · Jun 25, 2004 · N1936P · Substantial damage > The pilot's failure to maintain directional control of the aircraft during the landing roll resulting in a main landing gear collapse. - [NTSB SEA04LA117](https://openairdocs.org/ntsb/SEA04LA117.md): Cessna 185F · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Jun 24, 2004 · N4585F · Substantial damage > The failure of the right main gear brake disk attach flange during the landing roll, due to fatigue cracks emanating from numerous corrosion pits present on the surface of the disk, leading to the right brake becoming totally inoperative, and resulting in a… - [NTSB SEA04LA101](https://openairdocs.org/ntsb/SEA04LA101.md): Piper PA-18A · Trego, MT · Accident · Minor injuries · Limited investigation · Final report · Jun 8, 2004 · N7094D · Destroyed > Failure to maintain clearance from trees during the initial climb. - [NTSB SEA04LA098](https://openairdocs.org/ntsb/SEA04LA098.md): Piper PA-18-150 · Columbus, MT · Accident · Minor injuries · Limited investigation · Final report · Jun 5, 2004 · N82172 · Substantial damage > The pilot's failure to maintain directional control of the aircraft during the landing and subsequent go-around. Inadequate compensation for the gusting winds and an airport hangar were factors. - [NTSB SEA04LA094](https://openairdocs.org/ntsb/SEA04LA094.md): Beech P-35 · Havre, MT · Accident · No injuries · Limited investigation · Final report · May 29, 2004 · N7DR · Substantial damage > A loss of engine power due to fuel starvation during the initial climb after takeoff as a result of an unsecured fuel sender unit which resulted in a false fuel quantity indication. - [NTSB SEA04LA084](https://openairdocs.org/ntsb/SEA04LA084.md): Piper J4/E · Bigfork, MT · Accident · No injuries · Limited investigation · Final report · May 18, 2004 · N37982 · Substantial damage > A loss of engine power due to fuel exhaustion while in cruise flight as a result of inadequate preflight planning / preparation. Factors contributing to the accident were the short landing field and trees. - [NTSB SEA04LA087](https://openairdocs.org/ntsb/SEA04LA087.md): Cessna 185A · Polson, MT · Accident · No injuries · Limited investigation · Final report · May 16, 2004 · N1624H · Substantial damage > The pilot's inadequate compensation for the changing wind conditions at the time of the landing. Factors include gusty, variable, crosswinds, and a runway marker near the edge of the runway the pilot was landing on. - [NTSB SEA04LA080](https://openairdocs.org/ntsb/SEA04LA080.md): 2003 Nash Kitfox II · Broadview, MT · Accident · Minor injuries · Limited investigation · Final report · May 9, 2004 · N308KF · Substantial damage > Fuel starvation during cruise flight for undetermined reasons. Unsuitable terrain for a forced landing was a factor. - [NTSB SEA04LA196](https://openairdocs.org/ntsb/SEA04LA196.md): Dornier DO27A4 · Marion, MT · Accident · No injuries · Limited investigation · Final report · May 8, 2004 · N276MK · Substantial damage > The pilot's improper landing flare resulting in a hard landing. - [NTSB SEA04LA077](https://openairdocs.org/ntsb/SEA04LA077.md): Piper PA-18-105 · Laurel, MT · Accident · No injuries · Limited investigation · Final report · May 1, 2004 · N5483H · Substantial damage > The pilot's failure to maintain adequate clearance/altitude while maneuvering resulting in the inadvertent in-flight collision with water/terrain. - [NTSB SEA04LA067](https://openairdocs.org/ntsb/SEA04LA067.md): Champion 7ECA · Hardin, MT · Accident · No injuries · Limited investigation · Final report · Apr 10, 2004 · N5235X · Substantial damage > The pilot's failure to perform a go-around. Contributing factors were the pilot's misjudgment of speed and distance and the tree. - [NTSB SEA04LA061](https://openairdocs.org/ntsb/SEA04LA061.md): Cessna 305A · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Mar 31, 2004 · N5210G · Substantial damage > The pilot's failure to maintain directional control during the landing roll in the tail wheel-equipped aircraft, leading to an inadvertent ground-loop, during which the aircraft's wing impacted the ground. Next page: https://openairdocs.org/ntsb.md?state=MT&page=10 ## 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=9&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.