NTSB investigations, 1983, MT
180,611 investigations by the National Transportation Safety Board since 1962: 174,590 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
| 1963 | 2 |
|---|---|
| 1964 | 78 |
| 1965 | 73 |
| 1966 | 87 |
| 1967 | 82 |
| 1968 | 61 |
| 1969 | 56 |
| 1970 | 67 |
| 1971 | 55 |
| 1972 | 46 |
| 1973 | 49 |
| 1974 | 59 |
| 1975 | 61 |
| 1976 | 60 |
| 1977 | 61 |
| 1978 | 57 |
| 1979 | 50 |
| 1980 | 46 |
| 1981 | 52 |
| 1982 | 57 |
| 1983 | 37 |
| 1984 | 38 |
| 1985 | 42 |
| 1986 | 34 |
| 1987 | 27 |
| 1988 | 31 |
| 1989 | 26 |
| 1990 | 32 |
| 1991 | 28 |
| 1992 | 29 |
| 1993 | 25 |
| 1994 | 29 |
| 1995 | 26 |
| 1996 | 23 |
| 1997 | 29 |
| 1998 | 38 |
| 1999 | 24 |
| 2000 | 28 |
| 2001 | 18 |
| 2002 | 25 |
| 2003 | 23 |
| 2004 | 29 |
| 2005 | 21 |
| 2006 | 33 |
| 2007 | 28 |
| 2008 | 20 |
| 2009 | 16 |
| 2010 | 14 |
| 2011 | 21 |
| 2012 | 17 |
| 2013 | 29 |
| 2014 | 21 |
| 2015 | 20 |
| 2016 | 18 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 15 |
| 2020 | 19 |
| 2021 | 18 |
| 2022 | 14 |
| 2023 | 16 |
| 2024 | 18 |
| 2025 | 24 |
| 2026 | 15 |
Where
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\") = 1983
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.
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") = 1983 AND c."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA' ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB DEN84LA058Accident · No injuriesLimited investigationFinal reportPiper PA-32-260 · Ekalaka, MTThe plt stated that during touchdown the acft hit an area of patchy snow & the acft veered off the rwy into a snowbank.NTSB DEN84LA052Accident · No injuriesLimited investigationFinal reportLake LA-4-200 · Great Falls, MTThe acft was damaged in a forced landing on a highway after the engine seized. The plt said 'the engine made unusual sounds of an engine running bad.' Then it lost compression and seized. He made a forced landing on a highway and damagedthe hull. Examination…NTSB DEN84LA034Accident · Serious injuriesLimited investigationFinal reportCessna 172N · Helena, MTThe acft propeller struck a passenger who was attemping to sweep snow off the acft. The plt's and passenger's version of mishap vary. The plt stated he instructed the passenger to stay away from the acft. The passenger stated the plt toldhim to sweep the snow…NTSB DEN84LA028Accident · No injuriesLimited investigationFinal reportCessna 170B · Kalispell, MTThe acft landed hard just short of the rwy after the plt exprienced icing problems in flt. The airspeed indicator stopped working in flt so the plt was attempting a landing and says he also lost engine power at about 30 ft in the air during the flare for…NTSB DEN84LTI01Accident · Serious injuriesFinal reportBenson B8M · Libby, MTThe acft crashed into trees during a takeoff and descended inverted to the ground. The pilot stated he had not intended to fly a pattern but merely takeoff and land in a modified high speed taxi run. But on this last run he ran out of rwy and decided to go…NTSB SEA83FA208Accident · 2 fatalField investigationFinal reportCessna 182N · Kalispell, MTThe pilot's failure to maintain clearance from the terrain while attempting to maneuver back to the departure airport after encountering icing conditions. Factors include icing conditions, mountainous terrain, and low ceilings.NTSB DEN83LA202Accident · No injuriesLimited investigationFinal reportPiper PA-11-90 · Babb, MTThe pilot said that before takeoff, he fueled the left tank of the aircraft. The right tank was reportedly empty. Five or ten minutes after takeoff the pilot put the acft into a 5 degree left forward slip for about 30 seconds. As soon as the pilot returned…NTSB DEN83LA201Accident · No injuriesLimited investigationFinal reportCessna 180 · Busby, MTAccording to the pilot he was making a downwind landing to avoid taxiing over rough ground any farther than necessary. After touchdown he travelled about 150 yards up the runway when a gust of wind picked up the tail and he lost control ending in a ground…NTSB DEN83LA205Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Alzada, MTThe acft nosed over during landing after the landing gear collapsed. The plt said the landing was a little hard and thathe hit a bump which broke the left shock cord. The plt stated that he does not believe that the landing was hard enough to fail the gear…NTSB DEN83LA194Accident · No injuriesLimited investigationFinal reportPiper PA-12 · St. Xavier, MTThe acft collided with a fence during an attempted go-around in a field which was estimated to be 500 ft long. The wind was calm and the density alt was calculated to be 4900 ft. after landing and rolling 300 ft the plt decided he would not be able to stop.…NTSB DEN84LA185Accident · No injuriesLimited investigationFinal reportPiper 601P · Billings, MTBefore starting the flt, the acft was loaded with full fuel, 5 adult passengers & aprx 45 lbs of baggage. The elevation & temp at the arpt were 3606 ft & 93 deg. The plt said he did not calculate the weight & balance or density altitude limits for this flt…NTSB DEN83LA177Accident · No injuriesLimited investigationFinal reportBell 206B · Melrose, MTThe helicopter tail rotor contacted a forest service sign post during landing. The pilot was aware of the post when landing but landed near it for convenience in refueling. The landing was on a slope and the nose of the acft started sliding on the slope. The…NTSB DEN83LA172Accident · No injuriesLimited investigationFinal reportCessna T188C · Bozeman, MTThe acft settled into trees after the engine lost power during a swath run. The flt had been in progress for about 15 minutes. The plt started the 4th run and the acft started to settle. The plt dumped the load but did not touch the throttle or mixture. He…NTSB DEN83LA181Accident · No injuriesLimited investigationFinal reportCessna 182 · Forsyth, MTThe flt originated at cambridge, id with a planned refueling stop at billings, MT. The plt stated the acft was 'topped off' at cambridge before takeoff. En route, southerly winds were encountered which drifted the acft north, so a refueling stop was made at…NTSB DEN83LA154Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 Soloy · Townsend, MTThe helicopter made a hard touchdown during an autorotative forced landing after the engine quit. During the landing themain rotor severed the tail boom. The pilot stretched the autorotational glide to reach a hay field and lost main rotor RPM in the process.…NTSB DEN83LA143Accident · Minor injuriesLimited investigationFinal reportCessna U206 · Billings, MTThe acft nosed over during a forced landing after the engine quit during descent for approach to land. The pilot stated that very shortly after the beginning of descent to land the engine quit at 5000 ft while he was accomplishing the checklist. The plt said…NTSB DEN83LA142Accident · No injuriesLimited investigationFinal reportCessna 182Q · Hysham, MTThe plt reported that he aborted his x-country flt due to IMC ahead. While returning to billings, MT, oil & smoke started coming from the eng compartment & oil covered his windshield. The eng began losing power, so he shut it down. While making an emergency…NTSB DEN83LA137Accident · Serious injuriesLimited investigationFinal reportCessna A188B · Saco, MTThe acft collided with telephone lines during an aerial application run. The pilot's son reported that the acft was pulling up at the end of a spray run when the wires were hit. Most of the wires in this area are underground however thewires at the end of…NTSB DEN83LA136Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Conrad, MTThe acft landed hard and collapsed the right main landing gear during a forced landing after fuel exhaustion. During a landing to reload the pilot had handled the herbicide on-loading and a ground crewman was loading the acft fuel. The supply of 80/87 octane…NTSB DEN83LA134Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-235 · Hamilton, MTGround roll during takeoff was normal but at liftoff the acft began a roll to the left. The pilot said he began the takeoff with less than full power but added full power as the turn began. He tried to correct with aileron to no avail. The acft was now…NTSB DEN83LA127Accident · Serious injuriesLimited investigationFinal reportPiper PA-18A-150 · Hilger, MTThe pilot stated that he and another pilot were spraying a field in tandem formation at an alt of about 10 feet AGL. He was about 1/2 mile behind the lead acft and slightly to the left. After making a swath run he pulled up to about 100 ft AGL and started…NTSB DEN83LA128Accident · No injuriesLimited investigationFinal reportCessna 180B · Decker, MTThe tailwheel acft groundlooped on takeoff as the tail came up and the acft swerved sharply to the left. During the turn at about 40 mph the acft nosed over. The pilot noticed a pulling to the left as the takeoff roll commenced but thought he could contain it…NTSB DEN83LA121Accident · Minor injuriesLimited investigationFinal reportPiper PA-22-150 · Ennis, MTDuring a night flight, oil began spreading over the windshield & heavy smoke came in the cockpit through the cabin heater. The plt opened the cabin windows, reduced power & turned back toward the arpt. The oil pressure dropped to 5 PSI & the plt descended to…NTSB DEN83FA122Accident · No injuriesField investigationFinal reportBell 206B · Billings, MTThe helicopter made a hard autorotative landing after takeoff from an off arpt landing stie. The plt was on a personal flt with family and friends when a engine fire/explosion forced him to land. The fire was extinguished by the plt after landing. Post…NTSB DEN83FTI04Accident · 2 fatalFinal reportCessna 152 · Hamilton, MTThe acft was flying uphill at low alt when it struck the top of 4 trees and impacted the ground about 40 yards away inverted with power on at low airspeed. The elevation at the crash site was about 6000 ft MSL with the tops of the terrain in the direction of…NTSB DEN83LA113Accident · No injuriesLimited investigationFinal reportCessna 182Q · Townsend, MTThe acft nosed over in a plowed field off the end of the rwy during an attempted aborted takeoff. The acft had departed one arpt and landed again at a private strip to onload a passenger clothes bag. The landing was uphill into the wind. There was no windsock…NTSB DEN83LA102Accident · No injuriesLimited investigationFinal reportCessna 180 · Ft. Smith, MTAfter taking off from ft Smith, the plt leveled at 500 ft AGL & followed a river to look at some property aprx 5 mi away. While en route, the engine began to sputter & run irregularily. He performed a successful precautionary landing in a field where he made…NTSB DEN83LA101Accident · No injuriesLimited investigationFinal reportPiper J3C65 · Kalispell, MTWhile making an approach to a field on a ranch, the acft hit a power line on short final and crashed upright in the field. The pilot said he did not see the wire across the north approach to the field.NTSB DEN83LA100Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Martinsdale, MTReportedly, the instructor plt was on a personal/business flt with a student plt as a passenger. A landing was made on a road that had been used by crop duster plts. The plt had been informed about the presence of power lines. He saw some power lines & had…NTSB DEN83LA096Accident · No injuriesLimited investigationFinal reportCessna 182P · Ashland, MTThe acft lifted off early, stalled, dropped a wing and cartwheeled to a stop. The left main gear was sheared off in the impact. The pilot stated that during the takeoff from his own ranch airstrip a horse ran out on the rwy in front of the acft. He said there…NTSB DEN83LA098Accident · No injuriesLimited investigationFinal reportCessna 170A · Plentywood, MTPilot was practicing touch and go landings on runway 30. Pilot stated that on landing roll as he closed the carburetor heat control preparing for another takeoff a gust caught the right wing lifting it up. The pilot corrected by using right aileron and left…NTSB DEN83LA094Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Havre, MTThe plt reported that he was taking off from a dirt strip on his farm to check on some cattle from the air. During the takeoff roll, the left main gear went into some mud & pulled the acft to the left. Subsequently, the acft contacted frozen dirt piles & some…NTSB DEN83LA066Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Cut Bank, MTThe acft nosed over after overrunning the end of the runway during an aborted takeoff. The runway was grass and there was a 90 degree crosswind. During takeoff a downdraft put the acft back on the ground. The pilot decided to abort the takeoff and retarded…NTSB DEN83LA050Accident · No injuriesLimited investigationFinal reportCessna 180K · Billings, MTThe tailwheel (conventional gear) aircraft was equipped with a robertson stol modification. The pilot reported that with this modification, the plane's stall speed was lowered to 28 to 30 KTS. While in the traffic pattern, tower asked him to keep his speed up…NTSB DEN83FTI03Accident · Serious injuriesFinal reportPiper PA-18-150 · Galen, MTAccording to witnesses, the plt circled around some ranch building, then began a steep climbing turn. The plt stated that he was momentarily distracted by an outside observation, the climb became too steep, and the plane stalled. The pilot initiated a…NTSB DEN83LA046Accident · No injuriesLimited investigationFinal reportBell 47G-3B-2 (Soloy) · Great Falls, MTWhile maneuvering at low altitude in search of animals, the pilot experienced a severe vibration through the flight controls. The helicopter began an uncontrolled descent and attempts to stop the descent by using the collective were unsuccessful. The…NTSB DEN83FA045Accident · 1 fatalField investigationFinal reportBell 206B III · Sula, MTThe helicopter crashed tail low and rolled over in an open field during marginal weather. The pilot was flying on an expired student certificate and expired medical. According to a pilot who had worked with him the pilot had no helicopter rating. Witnesses…