# NTSB investigations, IA: Flight control sys malf/fail

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 CEN15LA412](https://openairdocs.org/ntsb/CEN15LA412.md): Guisinger Gary G Baby Belle · Stuart, IA · Accident · Minor injuries · Limited investigation · Final report · Sep 12, 2015 · N135PA · Substantial damage
  > The failure of the tail rotor driveshaft for reasons that could not be determined due to the mechanically and thermally deformed fracture surface.
- [NTSB CEN12IA554](https://openairdocs.org/ntsb/CEN12IA554.md): Cessna 560XL · Des Moines, IA · Incident · No injuries · Incident investigation · Final report · Aug 15, 2012 · N108EK · Minor damage
  > A temporary loss of control during cruise flight for reasons that could not be determined because postincident examination of the autopilot, pitch trim systems, and horizontal stabilizer revealed no anomalies consistent with a loss of control.
- [NTSB CEN11LA588](https://openairdocs.org/ntsb/CEN11LA588.md): Hendryx Steve/Wiley Ross Super Rebel · La Porte City, IA · Accident · Minor injuries · Limited investigation · Final report · Aug 21, 2011 · N540AF · Substantial damage
  > The improper assembly of the aileron cable by the airplane builder.
- [NTSB CEN11CA282](https://openairdocs.org/ntsb/CEN11CA282.md): Delf Tim Zenith CH-701 · Davenport, IA · Accident · No injuries · Data collection · Final report · Apr 12, 2011 · N701YB · Substantial damage
  > The improper installation of the rudder cable to rudder pedal attachment hardware.
- [NTSB CEN11LA048](https://openairdocs.org/ntsb/CEN11LA048.md): Piper PA-32R-301T · Waterloo, IA · Accident · No injuries · Limited investigation · Final report · Oct 29, 2010 · N8370L · Substantial damage
  > The separation of a stabilator control cable turnbuckle due to stress corrosion cracking, which resulted in a loss of airplane control during takeoff.

## 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" = 'IA' 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" = '333' 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/333/sequence?state=IA

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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.