# NTSB investigations, TN: Inflight upset

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 ERA16FA006](https://openairdocs.org/ntsb/ERA16FA006.md): Columbia Aircraft Mfg LC41 550FG · Erwin, TN · Accident · 2 fatal · Field investigation · Final report · Oct 9, 2015 · N1058S · Destroyed
  > The pilot's decision to fly into a known area of adverse weather, which resulted in the airplane entering a severe thunderstorm and a subsequent loss of control.
- [NTSB GAA15CA051](https://openairdocs.org/ntsb/GAA15CA051.md): Piper PA 32R-300 · Gatlinburg, TN · Accident · No injuries · Data collection · Final report · Apr 26, 2015 · N2269M · Substantial damage
  > The pilot's encounter with extreme turbulence during descent over mountainous terrain, which resulted in a loss of control, and structural damage in flight.
- [NTSB ERA11LA344](https://openairdocs.org/ntsb/ERA11LA344.md): Beech A100 · Gray, TN · Accident · No injuries · Limited investigation · Final report · Jun 15, 2011 · N15L · Substantial damage
  > An encounter with convectively-induced turbulence and icing, which resulted in an in-flight upset and a loss of airplane control.

## 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" = 'TN' 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" = '271' 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/271/sequence?state=TN

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