NTSB investigations, WI
35 cases where NTSB found Not determined, general.
Cases per year
| 2008 | 5 |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 5 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
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\" = 'WI' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '05000000'))
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" = 'WI' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '05000000')) 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 CEN25LA378Accident · No injuriesClass 4 · LimitedFinal reportCirrus Design SR22T · Racine, WIA total loss of engine power for reasons that could not be determined.NTSB CEN25LA149Accident · Serious injuriesClass 3 · LimitedFinal reportPphu Ekolot KR-030 Topaz · Platteville, WIThe pilot’s failure to maintain clearance from terrain for reasons which could not be determined.NTSB CEN24LA119Accident · Serious injuriesClass 3 · LimitedFinal reportZenith Stol CH750 · Sextonville, WIA loss of engine power for reasons that could not be determined, followed by a loss of control and subsequent impact with terrain.NTSB CEN23LA099Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-160 · Eau Claire, WIThe engine fire that began for undetermined reasons following numerous engine start attempts.NTSB CEN22LA103Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 120 · Sturtevant, WIThe pilot’s loss of directional control during the takeoff for reasons that could not be determined based on the available evidence, which resulted in a runway excursion.NTSB CEN21FA459Accident · 3 fatalClass 3 · FieldFinal reportRockwell International 690B · Hiles, WIThe pilot’s failure to maintain adequate airspeed, which caused the airplane to exceed its critical angle of attack and enter an inadvertent stall and spin.NTSB CEN19LA060Accident · Serious injuriesClass 3 · LimitedFinal reportStinson 108 · Keshena, WIA total loss of engine power during cruise flight for undetermined reasons, which resulted in a forced landing and subsequent impact with trees.NTSB CEN19FA018Accident · 1 fatalField investigationFinal reportEurocopter AS350 · Odanah, WIThe pilot's loss of helicopter control for undetermined reasons.NTSB CEN18TA296Accident · No injuriesFinal reportFisher Dakato Hawk · Oshkosh, WIThe failure of the left main landing gear for reasons that could not be determined, which resulted in a loss of directional control during the ground roll.NTSB CEN18LA115Accident · No injuriesLimited investigationFinal reportMesserschmitt-Bolkow-Blohm BK 117 B-2 · Sheboygan, WIThe restricted cyclic control movement for reasons that could not be determined because postaccident examination and testing of the cyclic control system did not reveal any evidence of mechanical malfunctions or failures that would have precluded normal…NTSB CEN17FA248Accident · 6 fatalField investigationFinal reportCessna 421C · Catawba, WIA loss of control and subsequent in-flight breakup for reasons that could not be determined based on the available information.NTSB CEN17LA037Accident · Minor injuriesLimited investigationFinal reportJohnson Kenneth R Stol CH 801 · Royalton, WIThe loss of control during approach for reasons that could not be determined due to postimpact fire damage.NTSB GAA17LA090Accident · No injuriesLimited investigationFinal reportPiper PA28R · Watertown, WIThe pilot’s failure to attain a proper glidepath on approach for landing, which resulted in impact with trees. Contributing to the accident was a partial, temporary loss of engine power for reasons that could not be determined because postaccident examination…NTSB CEN16LA302Accident · Serious injuriesLimited investigationFinal reportSonex Waiex · Fond du Lac, WIA partial loss of engine for reasons that could not be determined during an examination of the engine.NTSB CEN16LA123Accident · Serious injuriesLimited investigationFinal reportBrockman William A Challenger II · Neshkoro, WIA total loss of engine power for reasons that could not be determined, as postaccident examination revealed no anomalies that would have precluded normal operation. Contributing to the accident was the non-certificated pilot's decision to maneuver at low…NTSB CEN16LA021Accident · No injuriesLimited investigationFinal reportPiper PA 28-235 · Winneconne, WIAn engine compartment fire during landing, which resulted in extensive fire damage, for reasons that could not be determined during examinations of the remaining wreckage.NTSB CEN15LA418Accident · Minor injuriesLimited investigationFinal reportCessna 421B · Platteville, WIThe partial loss of right engine power for undetermined reasons with insufficient runway remaining for the aborted takeoff.NTSB CEN15LA217Accident · Minor injuriesLimited investigationFinal reportCessna 150F · Neillsville, WIA partial loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB CEN14LA443Accident · Minor injuriesLimited investigationFinal reportPiper PA 28-181 · Waukesha, WIThe loss of engine power for reasons that could not be determined because no anomalies were identified during postaccident examination.NTSB CEN14LA537Accident · Minor injuriesLimited investigationFinal reportHughes TH 55A · Hudson, WIThe nonhelicopter-rated pilot’s operation of the helicopter and its subsequent collision with trees during takeoff for reasons that could not be determined based on the available evidence.NTSB CEN13LA502Accident · Minor injuriesLimited investigationFinal reportAnderas Tiger Moth R80 · New Franken, WIThe loss of engine power during initial climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN12LA661Accident · No injuriesLimited investigationFinal reportLake LA4 · Kenosha, WIThe loss of engine power for reasons that could not be determined because examination and test run of the engine did not reveal any anomalies that would have precluded normal operation.NTSB CEN12FA617Accident · 1 fatalField investigationFinal reportBeech A36 · Kansasville, WIIn-flight loss of control for reasons that could not be determined because postaccident examination of the pilot and testing of the airplane did not reveal any anomalies that would have led to the loss of control.NTSB CEN12FA025Accident · No injuriesField investigationFinal reportPiper PA-28R-200 · Watertown, WIThe separation of the number 2 connecting rod from the crankshaft for reasons that could not be determined during postaccident metallurgical examination, which ultimately resulted in a total loss of engine power.NTSB CEN11FA562Accident · No injuriesField investigationFinal reportAir Tractor AT-301 · Nekoosa, WIA total loss of engine power during initial climb for undetermined reasons.NTSB CEN11FA505Accident · 2 fatalField investigationFinal reportPiper J3L-65 · Van Dyne, WIThe pilot’s inability to maintain airplane control while maneuvering for reasons that could not be determined from the available evidence.NTSB CEN11LA522Accident · No injuriesLimited investigationFinal reportCessna 172B · Middleton, WIThe total loss of engine power during climb after takeoff for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN11FA193Accident · No injuriesField investigationFinal reportGulfstream Aerospace GV-SP · Appleton, WIThe pilot flying's (PF) decision to land on a shorter-than-recommended runway with a known left hydraulic system failure rather than go around as suggested by the pilot-not-flying, his failure to immediately apply emergency brakes following the detection of…NTSB CEN11LA050Accident · 1 fatalLimited investigationFinal reportMcfarland Bill Challenger II · Praire Du Sac, WIThe separation of the fuselage-mounted wing strut attachment fitting for an undetermined reason, which resulted in the separation of the left wing of the airplane.NTSB CEN09CA522Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Evansville, WIA jam of the elevator flight control for undetermined reasons.NTSB CHI08CA226Accident · Minor injuriesData collectionFinal reportAmerican AA-1A · Grantsburg, WIA loss of engine power for an undetermined reason.NTSB CHI08CA188Accident · No injuriesData collectionFinal reportCessna 177A · Rhinelander, WIThe loss of engine power for an undetermined reason. A factor was the berm encountered during the forced landing.NTSB CHI08LA190Accident · No injuriesLimited investigationFinal reportde Havilland DHC-6-200 · Baldwin, WIUndetermined.NTSB CHI08FA135Accident · 2 fatalField investigationFinal reportPiper PA-28-140 · Stevens Point, WIThe partial loss of engine power for undetermined reasons.NTSB CHI08CA127Accident · Minor injuriesData collectionFinal reportCessna 140 · Burlington, WIA loss of engine power for undetermined reasons. Contributing to the accident was the low altitude at the time of the loss of engine power.