NTSB investigations, MN
13 cases where the sequence of events included Unknown or undetermined.
Cases per year
| 2010 | 1 |
|---|---|
| 2012 | 1 |
| 2013 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 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\" = 'MN' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '000' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
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" = 'MN' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '000' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) 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 CEN25FA367Accident · 2 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R66 · Lakeville, MNOn September 6, 2025, about 1442 central daylight time, a Robinson Helicopter Company R66 helicopter, N6633L was destroyed when it was involved in an accident near Lakeville, Minnesota. The pilot and passenger were fatally injured. The helicopter was operated…NTSB CEN25LA304Accident · Serious injuriesClass 3 · LimitedPreliminary reportAyres S2R-G6 · Slayton, MNOn August 6, 2025, about 1300 central daylight time, a Ayres Corporation S2R-G6, airplane, registration N2239V, was substantially damaged when it was involved in an accident near Slayton, Minnesota. The pilot was seriously injured. The airplane was operated…NTSB CEN23LA376Accident · 1 fatalClass 4 · LimitedFinal reportSixchuter Spirit XL · Hovland, MNThe collision with the lake by a noncertificated pilot for reasons that could not be determined.NTSB CEN23LA337Accident · No injuriesClass 3 · LimitedFinal reportCub Crafters CCX-2000 · Winsted, MNA total loss of engine power on approach for undetermined reasons.NTSB CEN23FA269Accident · 1 fatalClass 3 · FieldFinal reportSchweizer G-164B · Beltrami, MNA collision with terrain and subsequent nose over for undetermined reasons.NTSB ERA23FA130Accident · 1 fatalClass 3 · FieldFinal reportCirrus Design SR22 · Duluth, MNA rapid descent and subsequent collision with terrain for reasons that could not be determined based on the available evidence.NTSB CEN22FA111Accident · 1 fatalClass 3 · FieldFinal reportCirrus Design SR22 · Hutchinson, MNThe reduction in fuel flow and subsequent partial loss of engine power after takeoff for reasons that could not be determined.NTSB CEN21LA004Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA46 · Lake Elmo, MNA total loss of engine power for reasons that could not be determined.NTSB CEN20LA392Accident · 3 fatalClass 3 · LimitedFinal reportCessna 172 · Cottage Grove, MNA steep descent and impact with terrain for reasons that could not be determined based on the available information.NTSB CEN18FA083Accident · 1 fatalField investigationFinal reportSkwira Matthew J W-10 Tailwind · Sauk Centre, MNImpact with terrain for reasons that could not be determined based on the available information.NTSB CEN14FA034Accident · 3 fatalField investigationFinal reportPiper PA 23-250 · Caledonia, MNThe pilot's loss of control for reasons that could not be determined because the postaccident airplane examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN12FAMS1Accident · 1 fatalMissing aircraftFinal reportPiper PA-31-325 · Duluth, MNUndetermined because the airplane was not found.NTSB CEN11FA133Accident · 2 fatalField investigationFinal reportPiper PA-46-310P · Milaca, MNThe pilot did not recover from an unusual attitude while operating in instrument meteorological conditions following a disconnect of the autopilot system for undetermined reasons. Contributing to the accident were the pilot’s lack of recent flight experience…