NTSB investigations, MT
19 cases where the first occurrence was “On ground/water encounter with terrain/water”.
Cases per year
| 1982 | 1 |
|---|---|
| 1984 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 2 |
| 2006 | 1 |
Where
Open the mapLatest 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 c.\"eventStateOrRegion\" = 'MT' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 320)
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 c."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 320) 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 SEA06CA182Accident · No injuriesData collectionFinal reportMaule M-4-180V · Lewistown, MTThe airplane inadvertently impacted a coyote hole during the landing roll on unsuitable terrain.NTSB SEA02LA165Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Melstone, MTThe pilot's improper decision to continue a takeoff once it had become apparent that it was questionable whether the aircraft would clear an obstacle at the departure end of the takeoff area. Factors include the pilot's failure to perform pre-takeoff…NTSB SEA02LA140Accident · Minor injuriesLimited investigationFinal reportBlanik L-13 · Belgrade, MTThe glider pilot's improper in-flight planning decision and his failure to attain the proper touchdown point. Contributing to the accident were the inadvertent activation of the speed brakes, the pilot's failure to maintain altitude, the high vegetation and…NTSB SEA01LA107Accident · No injuriesLimited investigationFinal reportHerriford RAF 2000 · Gardiner, MTthe pilot's failure to rotate the aircraft until he was well past the normal takeoff rotation speed, and his abrupt rotation at this higher speed.NTSB SEA00LA115Accident · No injuriesLimited investigationFinal reportCessna 182B · Laurel, MTThe pilot's selection of unsuitable terrain for the precautionary landing. Wet and soft terrain, and the pilot's failure to maintain directional control of the aircraft during the landing roll were factors.NTSB SEA99LA034Accident · No injuriesLimited investigationFinal reportCessna 182A · Conner, MTThe pilots delayed remedial action during an aborted landing. Factors include a slush-covered runway.NTSB SEA96LA038Accident · No injuriesLimited investigationFinal reportBeech B100 · Miles City, MTFailure 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 SEA95GA062Accident · No injuriesFinal reportBell 206 · Dillon, MTThe 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 SEA94LA234Accident · No injuriesLimited investigationFinal reportCessna A185F · Conrad, MTThe 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 SEA94LA158Accident · No injuriesLimited investigationFinal reportCessna A188 · Cut Bank, MTThe pilot's failure to adequately compensate for wind conditions. The crosswind and the ditch were factors.NTSB SEA93LA128Accident · No injuriesLimited investigationFinal reportBeech A23-24 · Havre, MTThe pilot in command misjudged his clearance from a ditch, and his use of improper remedial action.NTSB SEA92LA146Accident · No injuriesLimited investigationFinal reportCessna 182Q · Melstone, MTInadequate in flight planning/decision. Factors to the accident were: unsuitable terrain was selected, rough/uneven terrain and a go around was not performed.NTSB SEA91LA043Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Wolf Point, MTThe inadequate preflight planning and preparation by the pilot in command, and his selection of unsuitable terrain for takeoff. A factor relating to the accident was the snowdrifts in the takeoff area.NTSB DEN89LA065Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Medicine Lake, MTSelection of unsuitable terrain by the pilot, resulting in a collision with snowdrifts during landing ground run.NTSB DEN87LA183Accident · No injuriesLimited investigationFinal reportCessna T188C · Winnett, MTDuring landing on a roadway used by the crop-duster for re-loading chemicals for spraying, the left spray boom contacted vegetation and slewed the acft sideways. The right wing was bent and the propeller was damaged.NTSB DEN87LA030Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Opheim, MTThe plt elected to take off downhill because he said the hill was too steep to try a takeoff uphill even into the wind. He said that just prior to lift off, he hit a snowbank which slowed the acft down. Deeper snow was then contacted and the acft flipped over.NTSB DEN84FA294Accident · 1 fatalField investigationFinal reportCessna A185F · Fort Peck, MTPlt attempted to takeoff from a calm part of reservoir. The wave heights were estimated to be 4 to 6 feet. The arft struck several waves during the takeoff run. The rt wing tip dragged in the water causing the acft to nose over. The acft came to rest…NTSB DEN84LA230Accident · No injuriesLimited investigationFinal reportSikorsky S-55B · Richey, MTThe pilot stated that he landed in a pasture where he intended to refuel. During the landing roll, one of the wheels dropped into a hole, causing the main rotor blade to flex downward and severe the tailboom.NTSB DEN82DTI09Accident · No injuriesFinal reportAir Tractor AT-301 · Greenough, MTDuring takeoff the aircraft struck a snow berm. The aircraft received substantial damage to both wings and prop. The aircraft had been landed on a county road about a week earlier due to deteriorating weather.