# NTSB investigations: Piper PA-44-180, 2011

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 ERA12LA117](https://openairdocs.org/ntsb/ERA12LA117.md): Piper PA-44-180 · Lawrenceville, GA · Accident · No injuries · Limited investigation · Final report · Dec 19, 2011 · N790GK · Substantial damage
  > The mechanic's improper installation and lubrication of the bushing on the right main landing gear truss assembly, which resulted in the landing gear not locking in the down position.
- [NTSB WPR12LA051](https://openairdocs.org/ntsb/WPR12LA051.md): Piper PA-44-180 · Seattle, WA · Accident · Minor injuries · Limited investigation · Final report · Dec 1, 2011 · N2163N · Substantial damage
  > The flight instructor’s failure to maintain airplane control during a go-around.
- [NTSB WPR12FA020](https://openairdocs.org/ntsb/WPR12FA020.md): Piper PA-44-180 · St. Paul, OR · Accident · 1 fatal · Field investigation · Final report · Oct 25, 2011 · N3062H · 2 aircraft · Substantial damage
  > The pilot was unable to see the other aircraft to avoid a collision.
- [NTSB WPR11LA471](https://openairdocs.org/ntsb/WPR11LA471.md): Piper PA-44-180 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Sep 4, 2011 · N316PA · Substantial damage
  > The pilot's improper flare and hard landing, which resulted in the failure of the nose landing gear drag link in overstress.
- [NTSB ERA11CA486](https://openairdocs.org/ntsb/ERA11CA486.md): Piper PA-44-180 · Gaithersburg, MD · Accident · No injuries · Data collection · Final report · Aug 26, 2011 · N3020M · Substantial damage
  > The pilot's decision to continue taxiing with restricted windshield visibility.

## 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 year(c."eventDate") = 2011
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7104402', '7104406'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7104402&year=2011

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
