# NTSB investigations, UT: VFR encounter with IMC

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 WPR23FA083](https://openairdocs.org/ntsb/WPR23FA083.md): Piper PA-34-220T · New Harmony, UT · Accident · 1 fatal · Class 3 · Field · Final report · Jan 4, 2023 · N814WT · Destroyed
  > The pilot’s decision to continue visual flight rules flight into instrument meteorological conditions, which resulted in a loss of airplane control due to spatial disorientation.
- [NTSB WPR19FA148](https://openairdocs.org/ntsb/WPR19FA148.md): Robinson R44 · Alpine, UT · Accident · 2 fatal · Class 3 · Field · Final report · May 17, 2019 · N744TW · Substantial damage
  > The noninstrument-rated pilot’s continued visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and subsequent loss of control. Contributing to the accident was hypoxia due to the high altitude at which…
- [NTSB WPR17FA065](https://openairdocs.org/ntsb/WPR17FA065.md): Cessna 172 · Panguitch, UT · Accident · 3 fatal · Field investigation · Final report · Feb 26, 2017 · N3712F · Substantial damage
  > The pilot's continued visual flight rules flight into instrument meteorological conditions, which resulted in controlled flight into terrain. Contributing to the accident were the pilot's inadequate preflight weather planning and his poor decision-making.
- [NTSB WPR12FA305](https://openairdocs.org/ntsb/WPR12FA305.md): Cirrus Design SR22 · Salina, UT · Accident · 2 fatal · Field investigation · Final report · Jul 14, 2012 · N86AA · Substantial damage
  > The noninstrument-rated pilot’s continued visual flight into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of airplane control.
- [NTSB WPR11FA147](https://openairdocs.org/ntsb/WPR11FA147.md): Neefjes Lancair 360 MK-II · Milford, UT · Accident · 1 fatal · Field investigation · Final report · Feb 27, 2011 · N989TT · Substantial damage
  > The pilot's loss of control of the airplane due to spatial disorientation after inadvertently entering instrument meteorological conditions. Contributing to the accident were the pilot's inadequate preflight preparation, his en route decision-making, and his…
- [NTSB WPR10CA129](https://openairdocs.org/ntsb/WPR10CA129.md): Maule M-5-235C · Kelton, UT · Accident · No injuries · Data collection · Final report · Feb 6, 2010 · N9227E · Substantial damage
  > The non-instrument-rated pilot's decision to take off and fly into marginal weather conditions.
- [NTSB WPR09GA216](https://openairdocs.org/ntsb/WPR09GA216.md): Lockheed P2V-7 · Stockton, UT · Accident · 3 fatal · Final report · Apr 25, 2009 · N442NA · Substantial damage
  > The flight crew's failure to maintain terrain clearance during low altitude flight in low ceiling and visibility conditions. Contributing to the accident was the flight crew's failure to adequately monitor their location with respect to the rising terrain…
- [NTSB WPR09FA076](https://openairdocs.org/ntsb/WPR09FA076.md): Robinson Helicopter R44 II · West Valley City, UT · Accident · Serious injuries · Field investigation · Final report · Jan 9, 2009 · N168SH · Substantial damage
  > The pilot’s inadvertent VFR flight into IMC conditions, which resulted in his spatial disorientation and loss of control of the helicopter. Also causal was the flight instructor’s delay in taking remedial action.

## 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" = '401' 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/401/sequence?state=UT

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