# NTSB investigations, UT: Turbulence encounter

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 WPR23LA099](https://openairdocs.org/ntsb/WPR23LA099.md): Beech C23 · Rich County, UT · Accident · No injuries · Class 4 · Limited · Final report · Jan 25, 2023 · N23FD · Substantial damage
  > The pilot’s inability to maintain altitude following an encounter with turbulence and adverse wind conditions.
- [NTSB WPR16FA144](https://openairdocs.org/ntsb/WPR16FA144.md): Diamond Aircraft Ind DA40 F · Logan, UT · Accident · 1 fatal · Field investigation · Final report · Jul 18, 2016 · N419FP · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack while maneuvering in turbulence and gusty wind conditions, which resulted in an aerodynamic stall/spin.
- [NTSB WPR16LA114](https://openairdocs.org/ntsb/WPR16LA114.md): Michael Burton Calidus · Fruitland, UT · Accident · Serious injuries · Limited investigation · Final report · May 20, 2016 · N50NE · Substantial damage
  > The pilot's improper judgment in conducting a flight in a gyroplane over mountainous terrain near its demonstrated maximum operating altitude and his subsequent failure to maintain adequate clearance with terrain during cruise flight in turbulent weather…
- [NTSB WPR12LA205](https://openairdocs.org/ntsb/WPR12LA205.md): Infinity 2000 · Hurricane, UT · Accident · Serious injuries · Limited investigation · Final report · May 11, 2012 · N541KP · Substantial damage
  > The pilot's decision to fly at a low altitude in a canyon, which resulted in insufficient altitude to recover from an encounter with terrain-induced turbulence.

## 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" = '360' 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/360/sequence?state=UT

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