# NTSB investigations, UT: Loss of visual reference

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 WPR23LA103](https://openairdocs.org/ntsb/WPR23LA103.md): Piper PA-12 · Porterville, UT · Accident · Minor injuries · Class 4 · Limited · Final report · Feb 4, 2023 · N3969B · Substantial damage
  > The pilot’s failure to maintain clearance from snow covered terrain while maneuvering at low altitude.
- [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 WPR23LA053](https://openairdocs.org/ntsb/WPR23LA053.md): Aviat A-1C-180 · Morgan, UT · Accident · No injuries · Class 4 · Limited · Final report · Dec 3, 2022 · N60WY · Substantial damage
  > The pilot’s failure to maintain clearance from snow covered terrain while maneuvering at low attitude. Contributing to the accident was the pilot’s loss of visual reference due to snow and flat light conditions.
- [NTSB WPR15FA082](https://openairdocs.org/ntsb/WPR15FA082.md): Cirrus Design SR22 · Tooele, UT · Accident · 1 fatal · Field investigation · Final report · Jan 9, 2015 · N383GM · Substantial damage
  > The non-instrument rated pilot’s decision to depart into low visibility conditions, which resulted in spatial disorientation and a loss of control. Contributing to the accident was the pilot’s impaired performance due to his use of the sedating antihistamine,…

## 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" = '402' 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/402/sequence?state=UT

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