# NTSB investigations: Rudder tab control system

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 CEN23LA363](https://openairdocs.org/ntsb/CEN23LA363.md): Beech C-99 · Lansing, MI · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 15, 2023 · N261SW · Substantial damage
  > The pilot’s failure to properly set the rudder trim position which resulted in a loss of directional control during takeoff. Contributing was the pilot’s inadequate checklist procedures prior to takeoff.
- [NTSB GAA17CA536](https://openairdocs.org/ntsb/GAA17CA536.md): Menzimer Gary Ray Firestar · Westfield, PA · Accident · Minor injuries · Data collection · Final report · Jul 30, 2017 · UNREG · Destroyed
  > The pilot's improper decision to operate an airplane without recent flight training and his inadvertent application of left electric rudder trim before flight and a subsequent loss of airplane control.
- [NTSB CEN14LA456](https://openairdocs.org/ntsb/CEN14LA456.md): Maule MT 7-235 · Edon, OH · Accident · Minor injuries · Limited investigation · Final report · Aug 26, 2014 · N627RK · Substantial damage
  > The pilot’s inability to maintain airplane control while attempting a precautionary landing after takeoff due to his incorrect setting of the rudder trim tab, which resulted in a significant turning tendency during flight.
- [NTSB CEN11CA679](https://openairdocs.org/ntsb/CEN11CA679.md): Waltman Theodore J Moose · Hays, KS · Accident · No injuries · Data collection · Final report · Sep 30, 2011 · N384JP · Substantial damage
  > Rudder flutter due to the design changes to the airplane's horizontal stabilizer.
- [NTSB CEN11LA558](https://openairdocs.org/ntsb/CEN11LA558.md): Piper Aerostar 601P · Alpine, TX · Accident · No injuries · Limited investigation · Final report · Aug 22, 2011 · N8076J · Substantial damage
  > The pilot’s improper flare which resulted in a hard landing. Contributing to the accident was the pilot’s improper decision to fly the airplane with a known mechanical deficiency.
- [NTSB WPR09LA108](https://openairdocs.org/ntsb/WPR09LA108.md): Douglas DC-3/65AR · Mojave, CA · Accident · No injuries · Limited investigation · Final report · Feb 4, 2009 · N834TP · Substantial damage
  > The student pilot failed to follow the checklist and set the takeoff trim properly prior to takeoff resulting in a loss of directional control. Contributing to the accident were the certified flight instructor's inadequate supervision and delayed remedial…

## 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", '01022721'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01022721/cases

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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.