# NTSB investigations, UT: Windshear or thunderstorm

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 WPR26FA294](https://openairdocs.org/ntsb/WPR26FA294.md): Textron 172S · Provo, UT · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 7, 2026 · N1842E · Substantial damage
  > On August 7, 2026, about 1549 mountain daylight time, a Textron Aviation Inc. 172S, N1842E, was substantially damaged when it was involved in an accident near Provo, Utah. The flight instructor sustained serious injuries, and the pilot undergoing instruction…
- [NTSB WPR22LA342](https://openairdocs.org/ntsb/WPR22LA342.md): Cessna 152 · Salt Lake City, UT · Accident · No injuries · Class 4 · Limited · Final report · Sep 7, 2022 · N48918 · Substantial damage
  > The airplane’s encounter with a microburst during initial climb that resulted in a loss of altitude and subsequent collision with a tree.
- [NTSB WPR22LA251](https://openairdocs.org/ntsb/WPR22LA251.md): Cessna 208B · Salt Lake City, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 14, 2022 · N877FE · Substantial damage
  > The pilot’s inability to maintain control of the airplane when it encountered a microburst during a landing attempt and a go-around near known thunderstorm activity. Contributing to the accident was an inadequate amount of wind sensors and wind shear…
- [NTSB WPR21FA211](https://openairdocs.org/ntsb/WPR21FA211.md): Textron 172S · Eden, UT · Accident · 2 fatal · Class 3 · Field · Final report · May 29, 2021 · N1727T · Destroyed
  > The flight instructor’s improper aeronautical decision-making, which led to an encounter with a downdraft at a low altitude in mountainous terrain and resulted in the instructor’s loss of airplane control and an impact with terrain.
- [NTSB WPR17LA202](https://openairdocs.org/ntsb/WPR17LA202.md): Beech A24R · Ogden, UT · Accident · Minor injuries · Limited investigation · Final report · Sep 12, 2017 · N9798L · Substantial damage
  > The airplane's inability to maintain an initial takeoff climb for reasons that could not be determined based on available information.
- [NTSB GAA17CA468](https://openairdocs.org/ntsb/GAA17CA468.md): Cessna 170 · Moab, UT · Accident · Serious injuries · Data collection · Final report · Aug 4, 2017 · N1214D · Substantial damage
  > The pilot’s improper decision to depart in unfavorable weather conditions, which resulted in a hard, forced landing.
- [NTSB WPR12FA378](https://openairdocs.org/ntsb/WPR12FA378.md): Aircraft Mfg & Development CH 2000 · Nephi, UT · Accident · 2 fatal · Field investigation · Final report · Aug 30, 2012 · N651AM · Substantial damage
  > The pilot's inability to maintain airplane control due to an encounter with a microburst/downdraft that exceeded the climb performance capabilities of the airplane.
- [NTSB WPR09LA043](https://openairdocs.org/ntsb/WPR09LA043.md): Cessna 170B · Hanna, UT · Accident · 1 fatal · Limited investigation · Final report · Nov 21, 2008 · N8387N · Substantial damage
  > The flight's encounter with adverse tailwinds and downdrafts in mountainous terrain that exceeded the airplane's climb capability.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '390' 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
```

This list as a web page: https://openairdocs.org/ntsb-events/390/sequence?state=UT

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
