# NTSB investigations, UT: Unknown or undetermined

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ANC26FA079](https://openairdocs.org/ntsb/ANC26FA079.md): Helicopter Transport Services CH-54A · Cove Fort, UT · Accident · 2 fatal · Class 3 · Field · Preliminary report · Aug 7, 2026 · N793HT · Destroyed
  > On 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 WPR26FA108](https://openairdocs.org/ntsb/WPR26FA108.md): Vans RV-8 · Hurricane, UT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Feb 28, 2026 · N80AR · Substantial damage
  > On 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 WPR26FA082](https://openairdocs.org/ntsb/WPR26FA082.md): Bell Helicopter Textron 206L-1 · Kamas, UT · Accident · Serious injuries · Class 3 · Field · Preliminary report · Jan 18, 2026 · N138DD · Substantial damage
  > On 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 WPR25LA027](https://openairdocs.org/ntsb/WPR25LA027.md): Cirrus Design SR20 · St. George, UT · Accident · No injuries · Class 3 · Limited · Final report · Oct 28, 2024 · N27WF · Destroyed
  > A partial loss of power for reasons that could not be determined due to postimpact fire damage.
- [NTSB WPR24LA127](https://openairdocs.org/ntsb/WPR24LA127.md): Schleicher Alexander ASH 26 E · Heber, UT · Accident · No injuries · Class 3 · Limited · Final report · Apr 21, 2024 · N644CC · Substantial damage
  > Reduced takeoff performance for reasons that could not be determined, which resulted in a forced landing.
- [NTSB WPR23LA343](https://openairdocs.org/ntsb/WPR23LA343.md): Boeing A75N1(PT17) · Monticello, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 13, 2023 · N10KP · Substantial damage
  > A partial loss of engine power for reasons that could not be determined.
- [NTSB WPR22LA127](https://openairdocs.org/ntsb/WPR22LA127.md): Piper PA-32R-300 · St. George, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Mar 24, 2022 · N111NW · Substantial damage
  > The total loss of engine power for undetermined reasons.
- [NTSB WPR22LA064](https://openairdocs.org/ntsb/WPR22LA064.md): Beech A36 · Tooele, UT · Accident · No injuries · Class 3 · Limited · Final report · Nov 24, 2021 · N4370W · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB WPR21LA068](https://openairdocs.org/ntsb/WPR21LA068.md): Cirrus Design SR22 · Ogden, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 10, 2020 · N577CP · Substantial damage
  > The partial loss of engine power for reasons that cannot be determined due to lack of available evidence.
- [NTSB WPR16FA054](https://openairdocs.org/ntsb/WPR16FA054.md): Cessna 525 · Cedar Fort, UT · Accident · 2 fatal · Field investigation · Final report · Jan 18, 2016 · N711BX · Destroyed
  > The 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 WPR11FA429](https://openairdocs.org/ntsb/WPR11FA429.md): Brewster LONG-EZ · Kanab, UT · Accident · 1 fatal · Field investigation · Final report · Sep 4, 2011 · N9DZ · Substantial damage
  > The pilot's loss of airplane control during cruise flight.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '000')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/000/cases?state=UT

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