# NTSB investigations, 2011: 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 ERA12FA127](https://openairdocs.org/ntsb/ERA12FA127.md): Cessna 650 · Ft. Lauderdale, FL · Accident · No injuries · Field investigation · Final report · Dec 28, 2011 · N877G · Substantial damage
  > The crew's failure to use proper emergency procedures during an uncommanded right roll after takeoff, which led to a forced landing with a quartering tailwind. Contributing to the accident was a faulty right roll spoiler actuator, which allowed the right roll…
- [NTSB CEN12LA114](https://openairdocs.org/ntsb/CEN12LA114.md): Southern Powered Parachute Condor · Rogersville, MO · Accident · Serious injuries · Limited investigation · Final report · Dec 25, 2011 · UNREG · Substantial damage
  > The pilot's inadequate preflight inspection of the takeoff area, which resulted in a loss of control due to the binding of the parachute's lines.
- [NTSB DCA13WA052](https://openairdocs.org/ntsb/DCA13WA052.md): Beech 1900 · Goose Bay, Canada · Incident · No injuries · Foreign investigation · Dec 10, 2011 · C-GLHO · No damage
  > On 10 December 2011, at 1028 Newfoundland Standard Time, an Exploits Valley Air Services Hawker Beechcraft 1900D aircraft (registration C-GLHO, serial number UE-266), operating as Air Canada Express flight EV7645, was conducting a scheduled passenger flight…
- [NTSB ERA12IA097](https://openairdocs.org/ntsb/ERA12IA097.md): Cessna 560XL · Ocoee, FL · Incident · No injuries · Incident investigation · Final report · Dec 2, 2011 · N576CS · No damage
  > Water contamination in the pitch trim actuators.
- [NTSB DCA12WA007](https://openairdocs.org/ntsb/DCA12WA007.md): Boeing 737 - 800 · Faro, Portugal · Accident · No injuries · Foreign investigation · Oct 24, 2011 · EI-DPA · Substantial damage
  > TheAir AccidentInvestigation Unit (AAIU) ofIrelandhas notified the NTSB of an accidentinvolving a B737-8AS that occurred on October 20, 2011. The NTSBhas appointed a U.S. Accredited Representative to assist the AAIU investigationunder the provisions of ICAO…
- [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 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 ERA11CA375](https://openairdocs.org/ntsb/ERA11CA375.md): Temco GC-1B · Sparta, TN · Accident · No injuries · Data collection · Final report · Jul 2, 2011 · N106S · Substantial damage
  > The improper installation of the right rudder control cable by maintenance personnel, which resulted in the pilot's inability to maintain directional control during takeoff.
- [NTSB CEN11LA414](https://openairdocs.org/ntsb/CEN11LA414.md): Enstrom F-28C-2 · Blair, NE · Accident · No injuries · Limited investigation · Final report · Jun 23, 2011 · N5694A · Substantial damage
  > The failure of a tail rotor pitch change link due to the retaining bolt becoming separated in flight. Contributing to the accident was the pilot’s inadequate preflight inspection.
- [NTSB WPR11LA275](https://openairdocs.org/ntsb/WPR11LA275.md): Buckeye Breeze LX · Montague, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 10, 2011 · N300DN · Minor damage
  > The unintended capture of the parachute bridle on a portion of the airframe during the takeoff roll, which resulted in a misinflated or misaligned parachute and an in-flight loss of control.
- [NTSB CEN11CA326](https://openairdocs.org/ntsb/CEN11CA326.md): Getten Marvin T Quickie Q2 · Albuquerque, NM · Accident · No injuries · Data collection · Final report · May 6, 2011 · N314JF · Substantial damage
  > The pilot's loss of elevator control, due to control stick's counter-weight binding with the airplane's header tank.
- [NTSB WPR11IA213](https://openairdocs.org/ntsb/WPR11IA213.md): Cessna 421B · Truckee, CA · Incident · No injuries · Incident investigation · Final report · May 2, 2011 · N270CS · No damage
  > Fatigue failure of the right flap extend cable during the landing approach.
- [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 CEN11IA286](https://openairdocs.org/ntsb/CEN11IA286.md): Cessna 560XL · Abbeville, LA · Incident · No injuries · Incident investigation · Final report · Apr 8, 2011 · N547CS · No damage
  > The pitch trim control cable failed due to fatigue, rendering the elevator trim inoperative.
- [NTSB CEN11LA275](https://openairdocs.org/ntsb/CEN11LA275.md): Piper PA-32-300 · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Apr 7, 2011 · N31407 · Substantial damage
  > The loss of aircraft control due to the failure of the stabilator control cable turnbuckle.
- [NTSB ERA11IA184](https://openairdocs.org/ntsb/ERA11IA184.md): Cessna 560XL · Haynesville, VA · Incident · No injuries · Incident investigation · Final report · Mar 10, 2011 · N588QS · No damage
  > The manufacturer's inadequate design fix for previously known tailcone stinger water ingestion and retention.
- [NTSB CEN11LA200](https://openairdocs.org/ntsb/CEN11LA200.md): Hughes 369D · Henryetta, OK · Accident · No injuries · Limited investigation · Final report · Feb 23, 2011 · N112AS · Substantial damage
  > Failure of the cyclic control system for reasons undetermined.
- [NTSB CEN11IA156](https://openairdocs.org/ntsb/CEN11IA156.md): Sikorsky 92 · Galliano, LA · Incident · No injuries · Incident investigation · Final report · Jan 19, 2011 · N920AL · Minor damage
  > The misalignment of the retaining washer during routine maintenance, resulting in the subsequent separation of the washer and nut.
- [NTSB ERA11IA110](https://openairdocs.org/ntsb/ERA11IA110.md): Mooney M20E · St. Petersburg, FL · Incident · No injuries · Incident investigation · Final report · Jan 6, 2011 · N7828V · No damage
  > An inadequately maintained interior cockpit boot, which allowed a flashlight to fall through and subsequently jam the airplane's flight controls. Contributing to the incident was a lack of emphasis by government, industry, and advocacy groups that the…

## 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '333')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/333/cases?year=2011

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