NTSB investigations, UT
13 cases where the sequence of events included Unknown or undetermined.
Cases per year
| 2011 | 1 |
|---|---|
| 2016 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2026 | 3 |
Where
Latest 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\" = 'UT' 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" = 'UT' 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 ANC26FA079Accident · 2 fatalClass 3 · FieldPreliminary reportHelicopter Transport Services CH-54A · Cove Fort, UTOn August 7, 2026, about 1044 mountain daylight time, a Helicopter Transport Services (Sikorsky) CH-54A Skycrane Helitanker, N793HT, was destroyed when it was involved in an accident near Cove Fort, Utah. The pilot and copilot were fatally injured. The…NTSB WPR26FA108Accident · 1 fatalClass 3 · FieldPreliminary reportVans RV-8 · Hurricane, UTOn February 28, 2026, at about 1005 mountain standard time, an experimental amateur-built, Vans Aircraft, RV-8, N80AR, was substantially damaged when it was involved in an accident near Hurricane, Utah. The pilot was fatally injured. The airplane was operated…NTSB WPR26FA082Accident · Serious injuriesClass 3 · FieldPreliminary reportBell Helicopter Textron 206L-1 · Kamas, UTOn January 18, 2026, about 1510 mountain standard time, a Bell 206L-1, N138DD, was substantially damaged when it was involved in an accident near Kamas, Utah. The pilot and three passengers received minor injuries. The helicopter was operated as a Title 14…NTSB WPR25LA027Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR20 · St. George, UTA partial loss of power for reasons that could not be determined due to postimpact fire damage.NTSB WPR24LA127Accident · No injuriesClass 3 · LimitedFinal reportSchleicher Alexander ASH 26 E · Heber, UTReduced takeoff performance for reasons that could not be determined, which resulted in a forced landing.NTSB WPR24FA010Accident · 1 fatalClass 3 · FieldFinal reportRobert L Thurmond RV8 · Centerville, UTThe pilot’s exceedance of the airplane’s critical angle of attack while attempting to return to the departure airport, which resulted in an aerodynamic stall at an altitude too low for recovery. Contributing to the accident was the failure of the No. 2…NTSB WPR23LA343Accident · Minor injuriesClass 3 · LimitedFinal reportBoeing A75N1(PT17) · Monticello, UTA partial loss of engine power for reasons that could not be determined.NTSB WPR23LA134Accident · No injuriesClass 3 · LimitedFinal reportHarris Robert W Zenith CH 801 · Brigham City, UTThe pilot’s improper flare, which resulted in a hard landing following a reported loss of engine thrust for undetermined reasons.NTSB WPR22LA127Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-32R-300 · St. George, UTThe total loss of engine power for undetermined reasons.NTSB WPR22LA064Accident · No injuriesClass 3 · LimitedFinal reportBeech A36 · Tooele, UTThe total loss of engine power for reasons that could not be determined based on available evidence.NTSB WPR21LA068Accident · Serious injuriesClass 3 · LimitedFinal reportCirrus Design SR22 · Ogden, UTThe partial loss of engine power for reasons that cannot be determined due to lack of available evidence.NTSB WPR16FA054Accident · 2 fatalField investigationFinal reportCessna 525 · Cedar Fort, UTThe pilot's loss of control due to spatial disorientation while operating in instrument meteorological conditions, which resulted in an exceedance of the airplane's design stress limitations, and a subsequent in-flight breakup. Contributing to the accident…NTSB WPR11FA429Accident · 1 fatalField investigationFinal reportBrewster LONG-EZ · Kanab, UTThe pilot's loss of airplane control during cruise flight.