# NTSB investigations, TN: Altitude deviation

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 ERA23FA219](https://openairdocs.org/ntsb/ERA23FA219.md): Cessna 182 · Reliance, TN · Accident · 1 fatal · Class 3 · Field · Final report · May 7, 2023 · N725AS · Substantial damage
  > The pilot’s decision to continue an instrument flight into an area of forecast weather with severe to extreme turbulence associated with a line of thunderstorms, which resulted in an in-flight breakup. Contributing was the pilot’s operation of the airplane in…
- [NTSB ERA13CA310](https://openairdocs.org/ntsb/ERA13CA310.md): Schleicher Alexander ASH 26 E · Tullahoma, TN · Accident · No injuries · Data collection · Final report · Apr 12, 2013 · N26EL · Substantial damage
  > The pilot's improper use of wing spoilers during approach resulting in an altitude loss and collision with a tree.
- [NTSB ERA12CA454](https://openairdocs.org/ntsb/ERA12CA454.md): Let L-23 Super Blanik · Benton, TN · Accident · Minor injuries · Data collection · Final report · Jun 28, 2012 · N273BA · Substantial damage
  > The pilot's inadvertent extension of the wing airbrakes, which resulted in a loss of lift and subsequent landing prior to the runway.

## 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" = '282' 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/282/sequence?state=TN

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