NTSB investigations, 2009, WI
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
| 1964 | 70 |
|---|---|
| 1965 | 75 |
| 1966 | 88 |
| 1967 | 99 |
| 1968 | 81 |
| 1969 | 93 |
| 1970 | 87 |
| 1971 | 65 |
| 1972 | 74 |
| 1973 | 77 |
| 1974 | 81 |
| 1975 | 69 |
| 1976 | 55 |
| 1977 | 75 |
| 1978 | 90 |
| 1979 | 89 |
| 1980 | 62 |
| 1981 | 69 |
| 1982 | 54 |
| 1983 | 60 |
| 1984 | 64 |
| 1985 | 59 |
| 1986 | 55 |
| 1987 | 48 |
| 1988 | 47 |
| 1989 | 56 |
| 1990 | 47 |
| 1991 | 46 |
| 1992 | 39 |
| 1993 | 55 |
| 1994 | 41 |
| 1995 | 41 |
| 1996 | 35 |
| 1997 | 33 |
| 1998 | 44 |
| 1999 | 44 |
| 2000 | 34 |
| 2001 | 46 |
| 2002 | 37 |
| 2003 | 32 |
| 2004 | 37 |
| 2005 | 38 |
| 2006 | 21 |
| 2007 | 32 |
| 2008 | 40 |
| 2009 | 23 |
| 2010 | 26 |
| 2011 | 31 |
| 2012 | 35 |
| 2013 | 18 |
| 2014 | 22 |
| 2015 | 30 |
| 2016 | 28 |
| 2017 | 25 |
| 2018 | 26 |
| 2019 | 19 |
| 2020 | 14 |
| 2021 | 25 |
| 2022 | 23 |
| 2023 | 25 |
| 2024 | 24 |
| 2025 | 24 |
| 2026 | 20 |
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\" = 'WI' 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" = 'WI' 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 CEN10IA059Incident · No injuriesIncident investigationFinal reportPiper PA-46-310P · Elk Mound, WIThe loss of engine power due to component failure from excessive heating of the engine connecting rod journals.NTSB CEN10CA038Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Three Lakes, WIThe pilot's improper flare and touchdown during the water landing.NTSB CEN09CA566Accident · No injuriesData collectionFinal reportPiper J3C-65 · Mondovi, WIThe pilot's failure to maintain adequate airspeed while in the traffic pattern, which resulted in an aerodynamic stall.NTSB CEN09CA537Accident · No injuriesData collectionFinal reportRewey William M CH 801 · Cottage Grove, WIA total loss of engine power during initial climb due to fuel starvation from a blocked fuel screen that resulted from the pilot/owner's inadequate inspection and maintenance of the fuel system.NTSB CEN09LA602Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301A · New Miner, WIA total loss of engine power due to the fatigue failure of the engine torsion shaft. Contributing to the accident was the chrome plating of the shaft by an undetermined maintenance/overhaul facility.NTSB CEN09CA522Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Evansville, WIA jam of the elevator flight control for undetermined reasons.NTSB CEN09LA486Accident · No injuriesLimited investigationFinal reportGallagher Junior ACE · Oshkosh, WIThe failure of a weld joint on the right rudder pedal leading to the loss of directional control during landing.NTSB CEN09LA487Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Black River Falls, WIThe loss of engine power during cruise due to the number two cylinder piston connecting rod failure for undetermined reasons.NTSB CEN09CA478Accident · Minor injuriesData collectionFinal reportP&M Quik GT450 · Oshkosh, WIThe pilot's improper flare and improper recovery from a bounced landing.NTSB CEN09CA477Accident · No injuriesData collectionFinal reportCessna A185F · River Falls, WIThe pilot not checking the security of the fuel caps prior to flight leading to fuel exhaustion and the subsequent non-mechanical loss of engine power during descent.NTSB CEN09CA472Accident · No injuriesData collectionFinal reportFisher RV-7A · Brodhead, WIThe pilot's improper landing flare and recovery from a bounced landing.NTSB CEN09LA463Accident · No injuriesLimited investigationFinal reportPilgrim Samuel W JR RV-6 · Oshkosh, WIThe failure of the rudder pedal which resulted in the pilot's inability to maintain directional control of the aircraft.NTSB CEN09LA447Accident · No injuriesLimited investigationFinal reportCessna A188B · Suring, WIA loss of engine power resulting from the fatigue failure of the crankshaft due to the loss of engine case through-bolt torque. Contributing to the engine failure was the operator's failure to overhaul the engine in accordance with the manufacturer's…NTSB CEN09LA424Accident · No injuriesLimited investigationFinal reportConsolidated Aeronautics Lake LA-4-200 · Racine, WIThe pilot's improper landing flare that resulted in a hard landing and subsequent separation of the airplane's sponson.NTSB CEN09CA407Accident · No injuriesData collectionFinal reportRemos G-3/6000 · Oshkosh, WIA total loss of total engine power due to fuel exhaustion as a result of the instructor pilot's inadequate preflight inspection. Contributing to the accident was the creased fuel quantity tube.NTSB CEN09CA397Accident · No injuriesData collectionFinal reportWeatherhead Peter L Stol CH 701 · Hayward, WIThe pilot's improper flare resulting in a hard landing during gusty wind conditions. Contributing to the accident was the pilot's lack of experience with the accident airplane.NTSB CEN09CA358Accident · Serious injuriesData collectionFinal reportAerostar International RX-9 · Marathon City, WIA hard landing as a result of unexpected high winds and gusts.NTSB CEN09FA340Accident · 2 fatalField investigationFinal reportGulfstream American AA-5B · Humbird, WIThe pilot's decision to attempt a visual flight rules flight into an area of known instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation.NTSB CEN09CA314Accident · No injuriesData collectionFinal reportJabiru J230-SP · Delavan, WIThe pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's lack of experience in the make and model airplane.NTSB CEN09CA279Accident · Minor injuriesData collectionFinal reportAmerican AA-1 · Cumberland, WIThe pilot's failure to maintain control of the aircraft during takeoff in crosswind conditions.NTSB CEN09LA263Accident · 1 fatalLimited investigationFinal reportLaseure Sonerai II · Grantsburg, WIThe pilot's failure to maintain airspeed during initial climb which resulted in a stall/spin. Contributing to the accident was the degraded engine performance.NTSB CEN09GA242Accident · 1 fatalFinal reportCessna 337 · Pittsville, WIThe pilot's failure to maintain adequate airspeed which resulted in an aerodynamic stall at a low altitude.NTSB CEN09FA146Accident · 3 fatalField investigationFinal reportCirrus Design SR20 · Menomonie, WIThe pilot's failure to maintain control of the airplane while flying at night in instrument meteorological conditions.