# NTSB investigations, 2009: 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 CEN10IA084](https://openairdocs.org/ntsb/CEN10IA084.md): ATR ATR72 · Dallas, TX · Incident · No injuries · Incident investigation · Final report · Dec 26, 2009 · N494AE · Minor damage > A fatigue failure of an elevator stop bracket, which resulted in a partial jam of the elevator control. Contributing to the failure was the improper installation of shim stacks, poor alignment of the brackets, and cyclic stresses acting on the lower stop,… - [NTSB CEN10CA022](https://openairdocs.org/ntsb/CEN10CA022.md): Gottelt Herbert R Kitfox IV/ · Crystal Falls, MI · Accident · Serious injuries · Data collection · Final report · Oct 17, 2009 · N94HG · Substantial damage > The pilot's inability to maintain control due to an undetermined problem affecting lateral control of the airplane. - [NTSB WPR10FA009](https://openairdocs.org/ntsb/WPR10FA009.md): Piper PA-12 · Burlington, WA · Accident · 1 fatal · Field investigation · Final report · Oct 8, 2009 · N2087C · Substantial damage > The pilot's in-flight loss of control due to his failure to correctly connect the elevator control cables during the restoration/rebuild of the airplane. Contributing to this accident was the pilot's decision to perform a high-speed taxi test prior to having… - [NTSB ANC09CA094](https://openairdocs.org/ntsb/ANC09CA094.md): Piper PA-18-150 · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Sep 7, 2009 · N54182 · Substantial damage > A tailwheel malfunction that limited directional control, which resulted in a runway excursion, and collision with a building. - [NTSB CEN09LA571](https://openairdocs.org/ntsb/CEN09LA571.md): Messerschmitt-Boelkow-Blohm BO-105S · Thibodaux, LA · Accident · Minor injuries · Limited investigation · Final report · Sep 6, 2009 · N131EH · Substantial damage > The pilot's inability to maintain control due to the mechanic's inadvertent switching of two cyclic control tubes of different lengths during maintenance. - [NTSB CEN09IA578](https://openairdocs.org/ntsb/CEN09IA578.md): Cessna 421 · Sugar Land, TX · Incident · No injuries · Incident investigation · Final report · Sep 4, 2009 · N2349S · Minor damage > The improper installation of the pitch trim cable which resulted in it making improper contact with a guard pin that led to the fatigue failure of the cable. - [NTSB ERA09CA495](https://openairdocs.org/ntsb/ERA09CA495.md): Underland/Grothe/Finstrom Mmii (Must · Lantana, FL · Accident · No injuries · Data collection · Final report · Aug 29, 2009 · N7798R · Substantial damage > The delay by both pilots to abort the takeoff resulting in a runway overrun. Contributing to the accident was the unintentional forward movement of the pilot's seat resulting in interference with the control stick. - [NTSB CEN09LA526](https://openairdocs.org/ntsb/CEN09LA526.md): Thrush S2R-T660 · Worthington, MN · Accident · No injuries · Limited investigation · Final report · Aug 16, 2009 · N660RB · Substantial damage > A fatigue failure of the elevator push-pull rod which resulted in the pilot's inability to control the aircraft's pitch attitude while landing. - [NTSB CEN09CA522](https://openairdocs.org/ntsb/CEN09CA522.md): Grumman Acft ENG Cor-Schweizer G-164A · Evansville, WI · Accident · No injuries · Data collection · Final report · Aug 12, 2009 · N9794 · Substantial damage > A jam of the elevator flight control for undetermined reasons. - [NTSB CEN09LA486](https://openairdocs.org/ntsb/CEN09LA486.md): Gallagher Junior ACE · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 2, 2009 · N413G · Substantial damage > The failure of a weld joint on the right rudder pedal leading to the loss of directional control during landing. - [NTSB ENG09IA011](https://openairdocs.org/ntsb/ENG09IA011.md): Boeing 737 · Diyarbakir, Türkiye · Incident · Minor injuries · Incident investigation · Final report · Jun 14, 2009 · TC-TLA · No damage > An uncommanded elevator surface deflection as a result of a left elevator PCU input arm assembly jam due to FOD lodged between the input arm assembly and the PCU housing. The FOD was a roller element from an elevator upper torque tube output crank bearing,… - [NTSB ERA09IA315](https://openairdocs.org/ntsb/ERA09IA315.md): Cirrus Design SR22 · Greenville, SC · Incident · No injuries · Incident investigation · Final report · Jun 1, 2009 · N695CD · No damage > A pitch control malfunction for undetermined reasons. - [NTSB WPR09LA202](https://openairdocs.org/ntsb/WPR09LA202.md): Alexander Thomas P Sportsman GS-2 · El Dorado HIlls, CA · Accident · 1 fatal · Limited investigation · Final report · Apr 18, 2009 · N209TP · Destroyed > The in-flight separation of the elevator control torque tube rod end bearing from the elevator torque tube as a result of incorrectly tightened rod end bearing lock nuts. - [NTSB CEN09LA198](https://openairdocs.org/ntsb/CEN09LA198.md): Bell 206 · Galliano, LA · Accident · No injuries · Limited investigation · Final report · Mar 2, 2009 · N410RL · Substantial damage > The failure of the tail rotor driveshaft and coupling during engine start due to the mechanic's failure to properly reattach the tail rotor driveshaft and coupling during maintenance. - [NTSB ERA09FA141](https://openairdocs.org/ntsb/ERA09FA141.md): Remos Remos GX · Sebring, FL · Accident · 1 fatal · Field investigation · Final report · Jan 25, 2009 · N9GX · Substantial damage > The pilot's inadequate preflight assembly and inspection which resulted in the pushrod connection to the left aileron not being connected, which led to a subsequent inflight loss of control and impact with terrain. ## 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") = 2009 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=2009 --- 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.