NTSB investigations, 1990, WY
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
| 1964 | 47 |
|---|---|
| 1965 | 52 |
| 1966 | 50 |
| 1967 | 55 |
| 1968 | 47 |
| 1969 | 53 |
| 1970 | 42 |
| 1971 | 34 |
| 1972 | 38 |
| 1973 | 45 |
| 1974 | 37 |
| 1975 | 42 |
| 1976 | 38 |
| 1977 | 48 |
| 1978 | 45 |
| 1979 | 34 |
| 1980 | 43 |
| 1981 | 40 |
| 1982 | 47 |
| 1983 | 44 |
| 1984 | 32 |
| 1985 | 20 |
| 1986 | 31 |
| 1987 | 16 |
| 1988 | 22 |
| 1989 | 14 |
| 1990 | 18 |
| 1991 | 21 |
| 1992 | 18 |
| 1993 | 24 |
| 1994 | 24 |
| 1995 | 15 |
| 1996 | 16 |
| 1997 | 12 |
| 1998 | 21 |
| 1999 | 21 |
| 2000 | 20 |
| 2001 | 17 |
| 2002 | 16 |
| 2003 | 19 |
| 2004 | 16 |
| 2005 | 17 |
| 2006 | 13 |
| 2007 | 13 |
| 2008 | 18 |
| 2009 | 4 |
| 2010 | 9 |
| 2011 | 26 |
| 2012 | 18 |
| 2013 | 15 |
| 2014 | 11 |
| 2015 | 14 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 11 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 13 |
| 2023 | 6 |
| 2024 | 16 |
| 2025 | 9 |
| 2026 | 13 |
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\") = 1990
AND c.\"eventStateOrRegion\" = 'WY' 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") = 1990 AND c."eventStateOrRegion" = 'WY' 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 ANC91FA017Accident · 1 fatalField investigationFinal reportPiper PA-31-350 · Evanston, WYThe pilot's premature descent. Contributing to the accident was the pilot's fatigue and poor weather.NTSB SEA91LA012Accident · No injuriesLimited investigationFinal reportChristen Industries A-1 · Afton, WYAn improper maintenance modification to disable the carburetor heat control by unknown personnel.NTSB SEA91LA009Accident · No injuriesLimited investigationFinal reportCessna T210N · Laramie, WYThe pilot did not properly set the mixture control.NTSB SEA91LA007Accident · No injuriesLimited investigationFinal reportCessna 414A · Jackson, WYThe pilot's inadequate preflight preparation of the aircraft, his failure to remove snow and ice from the aircraft before takeoff, and his delay in attempting to abort the takeoff.NTSB SEA91LA006Accident · No injuriesLimited investigationFinal reportMooney M20F · Casper, WYThe loss of engine power due to fatigue fracture of the number 2 cylinder connecting rod. Factors related to the accident were: rough and uneven terrain at the accident site and the lack of suitable terrain for forced landing.NTSB SEA90LA188Accident · No injuriesLimited investigationFinal reportPiper PA34-200T · Jackson, WYThe pilot misjudged the landing flare and landed hard.NTSB SEA90LA178Accident · Serious injuriesLimited investigationFinal reportCessna 170A · Elk Mountain, WYThe pilot's failure to maintain flying speed while at an altitude that did not provide adequate terrain clearance for a safe stall recovery.NTSB SEA90LA174Accident · No injuriesLimited investigationFinal reportPiper PA-32-300RT · Glenrock, WYFuel exhaustion resulting from the pilot's inadequate preflight planning/preparation. Unsuitable terrain was a factor related to the accident.NTSB SEA90LA175Accident · No injuriesLimited investigationFinal reportMooney M-20E · Cheyenne, WYPilot's failure to extend the landing gear prior to landing after having been distracted by traffic. A mitigating factor in this accident was the fact that the gear warning horn did not function.NTSB DEN90FA172Accident · Serious injuriesField investigationFinal reportAerospatiale SA316B · Meeteetse, WYA main rotor head blade dampener failure. A factor in the accident was the subsequent failure of a blade restraining cable.NTSB SEA90LA152Accident · No injuriesLimited investigationFinal reportBoson Starduster TOO · Pinedale, WYThe loss of engine power due to failure of the ignition coil, and the lack of suitable terrain for a forced landing. Failure of the ignition coil resulting in a total loss of engine power. The lack of suitable terrain was a factor related to the accident.NTSB DEN90LA168Accident · Serious injuriesLimited investigationFinal reportGulfstream G-II · Cheyenne, WYAn unforeseen encounter with clear air turbulence.NTSB SEA90LA147Accident · Minor injuriesLimited investigationFinal reportLake LA-250 · Rawlins, WYPilot's improper planning/decision, and his misjudgement of the aircraft's climb capability in conditions of high density altitude and unanticipated atmospheric conditions. The high density altitude and rising terrain were related factors.NTSB SEA90FA146Accident · 3 fatalField investigationFinal reportWheeler Technology FT-210 · Linch, WYFailure of the pilot to maintain control of the aircraft and/or correct the stall/spin.NTSB DEN90LA164Accident · No injuriesLimited investigationFinal reportMooney M20F · Torrington, WYA partial loss of power due to a failed exhaust valve. A factor was the lack of suitable terrain for the forced landing.NTSB DEN90LA141Accident · No injuriesLimited investigationFinal reportBeech 23 · Wheatland, WYPermature liftoff.NTSB DEN90LA123Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Douglas, WYThe accident to be improper installation of aileron control system by maintenance personnel, and failure to perform an aircraft preflight by the pilot in command.NTSB DEN90IA072Incident · No injuriesIncident investigationFinal reportCessna 208A · Wright, WYThe incident was engine failure due to gas producer turbine disc blade failure caused by stress rupture.