NTSB investigations, 2009, 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
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 year(c.\"eventDate\") = 2009
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") = 2009 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 WPR10CA024Accident · No injuriesData collectionFinal reportCessna A185F · Sand Coulee, MTThe pilot's failure to maintain directional control during landing with a crosswind.NTSB WPR10FA018Accident · 2 fatalField investigationFinal reportCessna 182 · Pryor, MTThe pilot’s decision to continue flight into an area of low ceilings and low visibility and his failure to maintain clearance from terrain.NTSB WPR10LA003Accident · Minor injuriesLimited investigationFinal reportMateskon Fisher DAK · Bozeman, MTA loss of engine power due to shearing of the crankshaft gear cluster bolts. Contributing to the accident was the lack of regular overhaul periods as recommended by the engine manufacturer.NTSB WPR09CA443Accident · No injuriesData collectionFinal reportCessna 305A · Helena, MTThe pilot's improper landing flare and recovery from a bounced landing.NTSB WPR09CA435Accident · No injuriesData collectionFinal reportPiper PA-20 · Bozeman, MTThe failure of the pilot receiving instruction to maintain directional control during the takeoff roll and the flight instructor's delayed corrective action.NTSB WPR09CA421Accident · No injuriesData collectionFinal reportMeyer Robert AIR CAM · Hamilton, MTThe separation of the right main landing gear wheel due to the flight's encounter with soft terrain while landing on an unimproved river sandbar. Contributing to the accident was the pilot's decision to attempt a landing on an unimproved off-airport surface.NTSB WPR09CA388Accident · No injuriesData collectionFinal reportAeronca 7AC · Broadus, MTThe pilot’s failure to maintain sufficient airspeed during low altitude maneuvering, which resulted in an inadvertent stall.NTSB WPR09CA351Accident · No injuriesData collectionFinal reportCox John Wiley Kitfox III · Laurel, MTThe pilot's failure to maintain directional control during an attempted go-around from a landing.NTSB WPR09LA286Accident · Serious injuriesLimited investigationFinal reportWermling KR-2 Rand Robinson · Anaconda, MTThe non-certificated pilot’s failure to maintain airspeed and aircraft control during initial climb resulting in a stall/spin.NTSB WPR09LA281Accident · No injuriesLimited investigationFinal reportCessna T188C · Rock Springs, MTThe pilot's decision to attempt to takeoff in crosswind conditions that exceeded the airplane’s demonstrated crosswind capability.NTSB WPR09LA179Accident · No injuriesLimited investigationFinal reportCessna 182 · Kalispell, MTA partial loss of engine power during a go-around for undetermined reasons. Contributing to the accident was a fatigue failure of the right main landing gear spring.NTSB WPR09FA176Accident · 1 fatalField investigationFinal reportMaule M-4-220C · Hungry Horse, MTThe pilot's improper decision to continue flight into an area of reduced visibility and snow showers during cruise flight, which resulted in the pilot's spatial disorientation and subsequent loss of aircraft control.NTSB WPR09MA159Accident · 14 fatalClass 1 · MajorFinal reportPilatus PC-12/45 · Butte, MT(1) the pilot's failure to ensure that a fuel system icing inhibitor was added to the fuel before the flights on the day of the accident; (2) his failure to take appropriate remedial actions after a low fuel pressure state (resulting from icing within the…NTSB WPR09FA154Accident · 1 fatalField investigationFinal reportCessna 180F · Townsend, MTThe pilot's failure to maintain clearance from trees and terrain while maneuvering at a low altitude.NTSB WPR09CA110Accident · No injuriesData collectionFinal reportErcoupe 415D · Whitehall, MTThe pilot's failure to attain the proper touchdown point and his failure to abort the landing.NTSB WPR09CA092Accident · No injuriesData collectionFinal reportRyan Navion · Three Forks, MTA total loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel system management. Contributing to the accident were the pilot's diverted attention and failure to perform the prelanding checklist.