# 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 CEN11LA542](https://openairdocs.org/ntsb/CEN11LA542.md): T&T Falcon LS · Lee's Summit, MO · Accident · No injuries · Limited investigation · Final report · Aug 1, 2011 · N785TT · Substantial damage
  > A binding condition in the left rudder cable which resulted in a loss of directional control during landing.
- [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 CEN11CA438](https://openairdocs.org/ntsb/CEN11CA438.md): Cessna A188 · Castroville, TX · Accident · No injuries · Data collection · Final report · Jun 24, 2011 · N731ST · Substantial damage
  > The pilot's failure to maintain obstacle clearance during the agricultural spraying flight.
- [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 ANC11LA041](https://openairdocs.org/ntsb/ANC11LA041.md): Eclipse EA500 · Nome, AK · Accident · No injuries · Limited investigation · Final report · Jun 2, 2011 · N168TT · Substantial damage
  > The pilot landed without lowering the landing gear. Contributing to the accident was the pilot's decision to fly the airplane with an inoperative wing flap system.
- [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 CEN11LA226](https://openairdocs.org/ntsb/CEN11LA226.md): Robinson Helicopter R22 Beta · Bulverde, TX · Accident · No injuries · Limited investigation · Final report · Mar 9, 2011 · N112HE · Substantial damage
  > The in-flight separation of the fuel cap, which impacted the helicopter’s tail rotor and resulted in the loss of tail rotor thrust. Contributing to the accident was the inadequate preflight inspection by both pilots, who did not ensure that the fuel cap was…
- [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 ERA11LA154](https://openairdocs.org/ntsb/ERA11LA154.md): Cessna 177B · Reading, PA · Accident · No injuries · Limited investigation · Final report · Feb 18, 2011 · N11625 · Substantial damage
  > Inadequate maintenance inspection of the airplane which resulted in a shift of the shock mounted portion of the pilot's instrument panel, causing an interference of the pitch control during takeoff.
- [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 ERA11LA117](https://openairdocs.org/ntsb/ERA11LA117.md): Convair 340-71 · Charlotte Amalie · Accident · No injuries · Limited investigation · Final report · Jan 17, 2011 · N8277Q · Substantial damage
  > The captain’s decision to continue the flight with the left engine backfiring, resulting in an engine fire shortly after takeoff. Contributing to the accident were the captain’s decision to continue the flight following a report of black smoke trailing the…
- [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 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?year=2011

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