NTSB investigations, 1985, MT

180,610 investigations by the National Transportation Safety Board since 1962: 174,589 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.

Cases per year

19632026
NTSB investigations, 1985, MT per year, 1963–2026: 2,223 cases
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Latest cases

Query with SQL
duckdb -csv -c "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 year(c.\"eventDate\") = 1985
    AND c.\"eventStateOrRegion\" = 'MT' AND c.\"eventCountry\" = 'USA'
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB DEN86LA050Accident · Serious injuriesLimited investigationFinal reportBeech V-35B · Wibaux, MTThe plt stated that light snow was falling at the arpt at the time of departure. The pax stated after the accident that the plt encountered clouds at their cruise alt of about 6000 ft. he continued to state that the acft made a shallow descent at first…Dec 18, 1985 · N24198 · DestroyedNTSB DEN86LA046Accident · No injuriesLimited investigationFinal reportCessna 206 · Hardin, MTAfter ldg to the east on a snow covered dirt rwy, the pilot elected to t/o on an intersecting rwy to the south. He could not see the entire rwy surface from the position due to dwn slope from center of rwy. The acft impacted snowdrifts 40-50 mph on t/o gnd…Dec 14, 1985 · N5173U · DestroyedNTSB DEN86LA042Accident · No injuriesLimited investigationFinal reportCessna 172P · Missoula, MTThe solo student plt was attempting to land during a local flt when he lost control of the acft during the landing roll. The plt stated that the acft veered to one side of the ice covered rwy where it contacted 6 to 8 inches of snow, the acft continued…Dec 9, 1985 · N64069 · Substantial damageNTSB DEN86LA041Accident · No injuriesLimited investigationFinal reportCessna 177B · Billings, MTThe acft was damaged during a forced landing in a fld following a loss of pwr from fuel exhaustion. The plt stated that during the preflight he checked the fuel level by the gages and not visually. The gages indicated slightly over one-half full at that time.Dec 6, 1985 · N13717 · Substantial damageNTSB DEN86LA040Accident · No injuriesLimited investigationFinal reportHelio H-391B · Bozeman, MTAccording to personnel in the area, the plt radioed he had smoke in the cockpit and was returning to gallantin field, his departure point. Later, the plt transmitted that the eng lost total pwr and he was making a forced landing. During the investigation, it…Dec 6, 1985 · N4101D · Substantial damageNTSB DEN86FA039Accident · 1 fatalField investigationFinal reportBeech 35-B33 · Columbia Falls, MTThe acft contacted snow covered terrain in an uncontrolled descent aprx 3 minutes after takeoff. The plt obtained a wx briefing from kalispell, MT, NWS and updated briefings from missoula and great Falls, MT, fss, for proposed night VFR flt to ogden, UT. VFR…Dec 6, 1985 · N5637K · DestroyedNTSB DEN86LA011Accident · Minor injuriesLimited investigationFinal reportCessna 182P · Kalispell, MTThe plt stated that while on a return flt to calgary, alberta, Canada, over the mountainous terrain of glacier national park, he encountered a severe downdraft which forced the acft to the ground. The flt originated at kaispell, Montana.Oct 13, 1985 · CGSPF · DestroyedNTSB FTW86MA010Accident · 4 fatalMajor investigationFinal reportBeech V35 · Bridger, MTDrg a preflt wx briefing, the plt was advised that VFR flt was not recommended due to forecast frontal activity moving southbound along his route. Severe turbulence & icing had been reported just to the north of his course. He filed a VFR flt plan & took off…Oct 3, 1985 · N8475H · DestroyedNTSB DEN85LA247Accident · No injuriesLimited investigationFinal reportCessna 182A · Troy, MTThe plt said that as he approached his destination he reduced engine pwr to begin descent. The engine quit forcing the pilot to land on unsuitable terrain. Contaminated fuel was found in the fuel system.Sep 22, 1985 · N5145D · Substantial damageNTSB DEN85FA236Accident · 2 fatalField investigationFinal reportPiper PA-28RT-201T · Saint Mary, MTPlt received wx update enroute to kalispell, MT. He attempted to navigate through the glacier national park, following the 'going-to-the-sun' highway. The wx along the plt's route of flt included low cloud ceiling, limited visibility and mountain obscurement.…Sep 5, 1985 · CGTGV · DestroyedNTSB DEN85LA221Accident · No injuriesLimited investigationFinal reportBeech E18S · Billings, MTThe plt stated that he encountered a 'wind draft' and the acft was struck by lightning. The rt eng mount failed and the rt eng was deflected downward. Plt was unable to maintain alt and executed a forced landing in an open field. Post crash exam of the welded…Aug 16, 1985 · N44N · Substantial damageNTSB DEN85LA220Accident · No injuriesLimited investigationFinal reportBeech 76 · Sula, MTPlt stated that he overflew airstrip to 'make sure it was clear.' During the landing roll, he saw shrubbery on the rwy and attempted evasive action. The acft veered left and the left main gear rolled into a drainage ditch and the left wing contacted a fence…Aug 15, 1985 · N3865U · Substantial damageNTSB DEN85LA218Accident · No injuriesLimited investigationFinal reportDowner Aircraft Industries REP. Seabee RC-3 · Haugan, MTThe plt had reconditioned N6305K and was flying the acft to his home in Texas. He continued to state that while climbing through 6500 ft, he heard an unusual noise followed by a substantial loss in pwr. The plt executed an emergency landing on a forest…Aug 13, 1985 · N6305K · Substantial damageNTSB DEN85LA209Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Superior, MTThe plt was flying with his wife on a pleasure flight to Idaho when smoke started coming into the cabin. Engine oil pressure went to zero. The plt secured the engine and made a forced landing to a farmer's field. The acft was substantially damaged; however,…Aug 5, 1985 · N8976K · Substantial damageNTSB DEN85FA202Accident · 1 fatalField investigationFinal reportCessna 172RG · Wilsall, MTThe plt obtained a wx briefing that forecast IMC. He filed a VFR flt plan and departed polson, Montana at 0830 en route to powell, Wyoming. The plt said he encountered low ceilings, low visibilities, and drizzle just past helena, Montana but he continued. The…Jul 29, 1985 · N6156R · DestroyedNTSB DEN85LA193Accident · No injuriesLimited investigationFinal reportCessna 182P · Missoula, MTThe pilot lost directional control during the touchdown phase of landing. The aircraft was substantially damaged when it veered off the runway and nosed over in the soft dirt.Jul 22, 1985 · N6375F · Substantial damageNTSB DEN85LA194Accident · No injuriesLimited investigationFinal reportCessna 170B · Kalispell, MTThe plt was returning from a local pleasure flt, it was a hot day. The plt said that he inadvertently leveled the acft aprx 10 ft high. He said the acft stalled causing a hard landing. The impact caused substantial damage to the acft.Jul 21, 1985 · N5414C · Substantial damageNTSB DEN85LA192Accident · No injuriesLimited investigationFinal reportCessna 170B · Missoula, MTThe pilot stated that he did not use proper technique and did not maintain directional control while landing in a brisk and direct crosswind. The airplane was substantially damaged in the hard landing that was followed by a ground loop.Jul 17, 1985 · N8252A · Substantial damageNTSB DEN85FA179Accident · 2 fatalField investigationFinal reportPiper J3C-65 · Columbus, MTAfter making a low pass over his pax home, the plt pulled the acft up abruptly and stalled at a very low altitude. The alt was too low for the plt to effect a successful recovery before ground impact.Jul 12, 1985 · N6817H · Substantial damageNTSB DEN85LA181Accident · No injuriesLimited investigationFinal reportCessna 170B · Swan Lake, MTThe plt said that prior to departure there was an estimated 14 gals of fuel on board. After aprx 30 minutes of flight the eng lost all pwr and a forced landing was accomplished in a mountainous creek bed. During the landing roll the acft struck a feeled tree…Jul 6, 1985 · N2432D · Substantial damageNTSB DEN85FTI04Accident · 1 fatalFinal reportFailing/Rand-Robinson KR-2 · Laurel, MTDrg a test flt, the plt made a fast taxi run, then took off on rwy 21. After takeoff, he made a gradual climb & shallow left turns to a downwind, circled the arpt & reentered a downwind for rwy 21. Witnesses reported that the plt made a power reduction &…Jun 22, 1985 · N8483Y · DestroyedNTSB DEN85FA153Accident · 1 fatalField investigationFinal reportPiper PA-32R-300 · Melstone, MTThe acft was observed in a left turn in a steep dive until it passed out of view behind a hill. The investigation revealed no evidence of airframe or engine malfunction or failure piror to the crash. Medical findings revealed the plt, sole occupant, had 90…Jun 9, 1985 · N75063 · Substantial damageNTSB DEN85LA151Accident · No injuriesLimited investigationFinal reportBeech B35 · Chinook, MTAbout 10 min after takeoff, the acft was damaged during a forced landing after the eng began sputtering & then lost power. The plt reported that he made a normal takeoff with the cowl flaps open & the mixture rich. After climbing about 1100 ft (to 3500 ft…Jun 7, 1985 · N5099C · Substantial damageNTSB DEN85LA149Accident · No injuriesLimited investigationFinal reportBeech V35B · Kalispell, MTN904V, a privately owned B-35, skidded off to the side of a runway during landing. The plt said that he inadvertently activated the gear up switch instead of the flap switch. The right landing gear collapsed causing the plt to lose control of acft.Jun 5, 1985 · N908V · Substantial damageNTSB DEN85LA150Accident · No injuriesLimited investigationFinal reportPiper PA-18-135 · Cut Bank, MTThe purpose of the flt was to clean the acft spray sys. The plt reported that he initiated a downhill/donwind takeoff in winds that were light, but gusting. At lift-off, the plt lost directional control & the acft mushed & crashed. The plt believed the…Jun 2, 1985 · N2491A · Substantial damageNTSB DEN85FA141Accident · 1 fatalField investigationFinal reportCessna 414 · Billings, MTThe plt was making a short (35 minutes) local flt to 'check N333AA over' before turning it over to its new owner. The acft collided with the ground in a steep descent, wings level, attitude during an entry into the traffic pattern at Billings, Montana. VMC…May 24, 1985 · N333AA · DestroyedNTSB DEN85LA135Accident · No injuriesLimited investigationFinal reportCessna 172 · Loma, MTThe acft contacted power lines which cross over the Missouri river. The lines are aprx 150-200 ft above the river on one side and aprx 45 ft above the river on the opposite side. The plt stated he was flying along the river at an alt of aprx 75 ft when…May 18, 1985 · N6462D · Substantial damageNTSB DEN85LA133Accident · No injuriesLimited investigationFinal reportPiper PA-36 · Rapelje, MTThe acft settled back to ground contact after reaching an alt (EST by the plt) of 60 ft AGL during takeoff initial climb. The plt stated that he recognized the acft was settling toward the ground & noticed a dissipation of airspeed. The plt said that he then…May 13, 1985 · N44260 · DestroyedNTSB DEN85FA131Accident · 1 fatalField investigationFinal reportConsolidated-Vultee PBY-5A · Lewistown, MTDuring taxi to takeoff the brakes failed. The plt attempted to groundloop the acft. The acft rolled down hill and collided with a gully. The plt was fatally injured. During preflight the co-plt inadvertently added hydraulic fluid in the alcohol tank. The…May 9, 1985 · N84857 · Substantial damageNTSB DEN85LA119Accident · No injuriesLimited investigationFinal reportCessna 172 · Opheim, MTThe plt took off on a wet-soft airstrip which made the takeoff run longer than normal. The initial climb was at minimum airspeed when gusty winds caused the acft to stall. The acft impacted the ground and was substantially damaged.Apr 20, 1985 · N6495E · Substantial damageNTSB DEN85LA112Accident · Serious injuriesLimited investigationFinal reportPiper PA-32RT-300T · Garneill, MTThe plt reported that during a night x-country flt, he encountered marginal (obscured) wx & reversed course to return to the departure point. He stated that while he was returning, he 'dozed off a little bit' & when he awoke, he saw a mountain directly ahead.…Apr 6, 1985 · N21092 · DestroyedNTSB DEN85FTI03Accident · No injuriesFinal reportHilliard B-8-M · Clinton, MTThe gyrocopter inadvertently became airborne during a high speed taxi run. The plt reported that at an alt of aprx 10-15 ft AGL he 'cut the engine speed to idle, and pulled the joystick fully back to land.' This action put the gyrocopter in a nose high…Mar 18, 1985 · N8036T · Substantial damageNTSB DEN85LA093Accident · No injuriesLimited investigationFinal reportCessna 421C · Butte, MTWhile in level flt the plt noticed a puff of smoke emit from the left engine, followed by the appearance of hydraulic fluid and the illumination of the left and right hydraulic flow lights. The plt lowered the landing gear during the apch, however, the nose…Feb 28, 1985 · N98487 · Substantial damageNTSB DEN85LA085Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Polson, MTThe plt stated a 35 kt gust of wind from the north lifted the tail of the acft to the left. The acft veered right, contacted a snow bank and nosed over. The plt was taxiing on rwy 18 after landing when the accident occurred.Feb 25, 1985 · N8676C · Substantial damageNTSB DEN85FTI02Accident · No injuriesFinal reportBenjamin Pitts S1U · Fort Benton, MTThe acft contacted a dirt bank during a forced landing in a field following a loss of pwr shortly after takeoff. A landing was made at Fort Benton arpt where the acft was serviced with 11.85 gallons of 100 oct avgas. Post accident examination of the acft…Feb 24, 1985 · N155LB · Substantial damageNTSB DEN85FA084Accident · 2 fatalField investigationFinal reportTaylorcraft BC-65 · Chinook, MTThe airplane was observed to enter a shallow right climbing turn at about 200 feet AGL after making a low pass over friends. Witnesses said the airplane then stalled and dove to the ground. There was no evidence of airframe, eng, prop, flt control, or syst…Feb 22, 1985 · N26580 · DestroyedNTSB DEN85LA082Accident · No injuriesLimited investigationFinal reportCessna 152 · Kalispell, MTThe acft collided with a snowbank during the landing roll following a loss of directional control. The plt reported that the left brake froze or locked up when it was applied during the landing. Inspection revealed that there was a substantial amount of ice…Feb 15, 1985 · N24950 · Substantial damageNTSB DEN85LA076Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Thompson Falls, MTThe acft nosed over during a forced lndg on terrain covered by 20 inches of snow. The flt was on deer survey flt the plt told of improper use of the carb heat control during a period of'perfect' icing conditions. The plts reduction of power during maneuvering…Feb 11, 1985 · N3777P · Substantial damageNTSB DEN85LA063Accident · No injuriesLimited investigationFinal reportCessna 150 · Missoula, MTOn jan 14, 1985, a Cessna 150 nosed over after landing on a highway near Missoula, MT. The pilot stated he lost partial engine power due to carburetor icing conditions encountered enroute from great falls, MT. The pilot and his passenger were not injured. The…Jan 15, 1985 · N1416Q · Substantial damageNTSB DEN85LA060Accident · Minor injuriesLimited investigationFinal reportBeech B36TC · Billings, MTPlt used cannula connected to portable oxygen system during climb starting at 11,000 ft MSL. At FL 170 plt switched to a mask connected to acft oxygen ststem. At FL 250, plt complained of stomach pains for aprx 1/2 hr. Plt then stated to his son that his…Jan 5, 1985 · N6750C · Substantial damageNTSB DEN85FTI01Accident · 1 fatalFinal reportPolliwagen 2 Place · Manhattan, MTThe acft crashed in an open flt shortly after takeoff and was destroyed by fire. There were no witnesses to the accident. The plt reportedly stated he needed to depart Manhattan by 0500 MST to arrive in helena before 0600 MST when the ATC twr opened as his…Jan 3, 1985 · N13954 · DestroyedNTSB DEN85LA054Accident · No injuriesLimited investigationFinal reportCessna 180 · Marion, MTThe acft nosed over onto its back after the plt landed in snow 6 to 8 inches in depth.Jan 1, 1985 · N966K · Substantial damage