# NTSB investigations, UT: Aircraft structural failure

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 WPR18LA177](https://openairdocs.org/ntsb/WPR18LA177.md): Schempp Hirth Flugzeugbau Arcus M · Richfield, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 21, 2018 · N16DN · Destroyed
  > An inflight loss of control and subsequent inflight breakup for reasons that could not be determined based on the available information.
- [NTSB WPR16FA054](https://openairdocs.org/ntsb/WPR16FA054.md): Cessna 525 · Cedar Fort, UT · Accident · 2 fatal · Field investigation · Final report · Jan 18, 2016 · N711BX · Destroyed
  > The pilot's loss of control due to spatial disorientation while operating in instrument meteorological conditions, which resulted in an exceedance of the airplane's design stress limitations, and a subsequent in-flight breakup. Contributing to the accident…
- [NTSB WPR16FA036](https://openairdocs.org/ntsb/WPR16FA036.md): Barnett Allen S RV7 · Hurricane, UT · Accident · 2 fatal · Class 3 · Field · Final report · Dec 10, 2015 · N307AB · Substantial damage
  > The pilot’s aerobatic maneuver leading to airspeeds above the airplane’s never exceed speed, which resulted in rudder flutter and an in-flight breakup.
- [NTSB WPR09FA141](https://openairdocs.org/ntsb/WPR09FA141.md): Stephenson Zodiac 601 XL · Antelope Island, UT · Accident · 1 fatal · Field investigation · Final report · Mar 3, 2009 · N3683X · Substantial damage
  > The in-flight failure of both wings due to aileron flutter. The aileron flutter was the result of inadequate wing stiffness and the lack of aileron counterbalances.
- [NTSB SEA08LA110](https://openairdocs.org/ntsb/SEA08LA110.md): Cessna 180 · Blanding, UT · Accident · No injuries · Limited investigation · Final report · Apr 24, 2008 · N180XP · Substantial damage
  > The fatigue failure of the right main landing gear leg during the landing roll.
- [NTSB SEA08LA090](https://openairdocs.org/ntsb/SEA08LA090.md): Diamond Aircraft Industries DA 20-C1 · Spanish Fork, UT · Accident · No injuries · Limited investigation · Final report · Mar 9, 2008 · N765DC · Substantial damage
  > The fatigue failure of the nose wheel fork assembly attachment stud/bolt during takeoff initial climb, and the collapse of the nose gear during landing.

## 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" = '337' 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/337/sequence?state=UT

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