# NTSB investigations: Shimmy damper

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 DCA22FA132](https://openairdocs.org/ntsb/DCA22FA132.md): Mcdonnell Douglas MD80 · Miami, FL · Accident · Minor injuries · Class 2 · Field · Final report · Jun 21, 2022 · HI-1064 · Substantial damage
  > The structural failure of the left main landing gear downlock following ineffective shimmy dampening during the landing roll which caused the collapse of the left main landing gear, resulting in a runway excursion and post-flight fire.
- [NTSB WPR21LA318](https://openairdocs.org/ntsb/WPR21LA318.md): North American T-28B · Puyallup, WA · Accident · No injuries · Class 3 · Limited · Final report · Aug 12, 2021 · N392W · Substantial damage
  > A nose wheel shimmy during the landing roll for reasons that could not be determined from the available evidence, which led to a loss of directional control.
- [NTSB ERA12LA431](https://openairdocs.org/ntsb/ERA12LA431.md): Leder John A Leder Velocity XL RG · Thomson, GA · Accident · No injuries · Limited investigation · Final report · Jul 2, 2012 · N224SM · Substantial damage
  > Separation of the nose landing gear due to a preexisting fatigue crack caused by an earlier shimmy event and the subsequent incorrect installation of the shimmy dampener.

## 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."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01023252'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01023252/cases

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