# NTSB investigations: 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. Page 5 of 9 · 410 cases ## Cases, newest first - [NTSB ENG17RA040](https://openairdocs.org/ntsb/ENG17RA040.md): ATR ATR72 · Guarulhos, Brazil · Incident · No injuries · Foreign investigation · Mar 21, 2017 · PP-PTQ · Minor damage > The Centro de Investigação e Prevenção de Acidentes Aeronáuticos (CENIPA) of Brazil has notified the NTSB of an incident involving an Aerospatiale and Alenia ATR-72-212A, which occurred on March 21, 2017. The NTSB has appointed a U.S. Accredited… - [NTSB ERA17CA129](https://openairdocs.org/ntsb/ERA17CA129.md): Kerns Kenneth H Kens Wingless Wonder · Mount Airy, NC · Accident · Minor injuries · Data collection · Final report · Mar 12, 2017 · N7195R · Substantial damage > The pilot’s improper adjustment of the prerotator motor, which resulted in its failure to disengage and the subsequent loss of aircraft control during takeoff. - [NTSB DCA17FA076](https://openairdocs.org/ntsb/DCA17FA076.md): Mcdonnell Douglas MD80 · Ypsilanti, MI · Accident · Minor injuries · Class 1 · Field · Final report · Mar 8, 2017 · N786TW · Substantial damage > the jammed condition of the airplane's right elevator, which resulted from exposure to localized, dynamic wind while the airplane was parked and rendered the airplane unable to rotate during takeoff. Contributing to the accident were (1) the effect of a large… - [NTSB GAA17CA178](https://openairdocs.org/ntsb/GAA17CA178.md): Schweizer 269C · Ormond beach, FL · Accident · No injuries · Data collection · Final report · Feb 21, 2017 · N614TA · Substantial damage > The separation of the throttle cable’s outer housing from the inner housing at the throttle linkage while at a high-power setting, which prevented the pilot from being able to control the throttle and execute a proper landing flare and resulted in a hard… - [NTSB DCA17WA056](https://openairdocs.org/ntsb/DCA17WA056.md): Boeing 737 · Paris, France · Incident · No injuries · Foreign investigation · Dec 30, 2016 · CN-ROJ · No damage > The Bureau d'Enquêtes et d'Analyses (BEA) of France has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on December 30, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of France's… - [NTSB WPR17WA039](https://openairdocs.org/ntsb/WPR17WA039.md): Robinson R44 · Juhu, India · Accident · 1 fatal · Foreign investigation · Dec 11, 2016 · VT-PHB · Destroyed - [NTSB CEN17FA012](https://openairdocs.org/ntsb/CEN17FA012.md): Fairchild Hiller FH 1100 · Lino Lakes, MN · Accident · 2 fatal · Field investigation · Final report · Oct 6, 2016 · N4035G · Destroyed > The separation of the main rotor assembly due to mast bumping. - [NTSB WPR17LA002](https://openairdocs.org/ntsb/WPR17LA002.md): Tamarack Helicopters UH-1H · Gila Bend, AZ · Accident · Minor injuries · Limited investigation · Final report · Oct 5, 2016 · N175SF · Substantial damage > The separation of the 90° tail rotor gearbox assembly as a result of fatigue to the tail rotor gearbox input quill assembly attachment studs due to the helicopter experiencing highly repetitive agricultural flight profiles for which it was not designed. - [NTSB WPR17CA001](https://openairdocs.org/ntsb/WPR17CA001.md): Cessna R172K · Rosamond, CA · Accident · No injuries · Data collection · Final report · Oct 2, 2016 · N736LZ · Substantial damage > The pilot's improper use of the control lock, combined with his incomplete execution of two pre-departure procedures, which resulted in a takeoff with the control lock installed. - [NTSB DCA16WA229](https://openairdocs.org/ntsb/DCA16WA229.md): Pulse Vapor 55 · Ballina, Australia · Incident · No injuries · Foreign investigation · Sep 28, 2016 · LHB270916 > The Australian Transport Safety Bureau (ATSB) has notified the NTSB of an incident involving a Pulse Vapor 55 unmanned helicopter that occurred on September 28, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the ATSB's investigation… - [NTSB ERA16LA322](https://openairdocs.org/ntsb/ERA16LA322.md): Aero Vodochody L 39 · Norfolk, VA · Accident · No injuries · Limited investigation · Final report · Sep 23, 2016 · N139AJ · Substantial damage > An uncommanded flap retraction for reasons that could not be determined, as a postaccident examination of the flap system did not reveal evidence of any preaccident anomalies. - [NTSB GAA16CA476](https://openairdocs.org/ntsb/GAA16CA476.md): Luscombe 8 · Juneau, WI · Accident · No injuries · Data collection · Final report · Sep 10, 2016 · N1263K · Substantial damage > The pilot's failure to maintain directional control during the landing roll in gusting crosswind conditions, which resulted in a runway excursion. Contributing to the accident was the foot pad cover slipping off the right rudder pedal during the landing roll. - [NTSB CEN16CA359](https://openairdocs.org/ntsb/CEN16CA359.md): Beech 58 · Wichita Falls, TX · Accident · No injuries · Data collection · Final report · Aug 26, 2016 · N15MD · Substantial damage > The incorrect maintenance of the airplane's ventilation system which resulted in an obstruction of the elevator control system. - [NTSB ERA16LA293](https://openairdocs.org/ntsb/ERA16LA293.md): Cessna 150G · Shirley, NY · Accident · No injuries · Class 3 · Limited · Final report · Aug 13, 2016 · N3666J · Substantial damage > Maintenance personnel’s inadequate maintenance and inspection of the airplane, which resulted in the left elevator attachment bolt backing out of the nutplate, and partial inflight separation and damage of the elevator. - [NTSB ERA16FA248](https://openairdocs.org/ntsb/ERA16FA248.md): Bell Helicopter Textron Canada 407 · Hickory, KY · Accident · 1 fatal · Field investigation · Final report · Jul 11, 2016 · N427TV · Substantial damage > Company maintenance personnel's inappropriate removal without replacement of the safety wires on the collective lever pin screws during a recent maintenance inspection, which resulted in the screws backing out and led to a loss of collective control in flight. - [NTSB CEN16LA244](https://openairdocs.org/ntsb/CEN16LA244.md): Pollack Quicksilver SPRINT2S · Bullard, TX · Accident · No injuries · Limited investigation · Final report · Jul 3, 2016 · N250AB · Substantial damage > A loss of airplane control during landing for reasons that could not be determined, because the airplane sank and was not recovered. - [NTSB ANC16LA034](https://openairdocs.org/ntsb/ANC16LA034.md): De Havilland DHC3 · Homer, AK · Accident · No injuries · Limited investigation · Final report · Jun 19, 2016 · N104BM · Substantial damage > An in-flight collision with a bald eagle, which resulted in substantial damage to the left wing. - [NTSB CEN16LA230](https://openairdocs.org/ntsb/CEN16LA230.md): Glaeser Nieuport 11 · Gardner, KS · Accident · No injuries · Limited investigation · Final report · Jun 18, 2016 · N124TG · Substantial damage > The pilot's diverted attention during the approach for the precautionary landing, which resulted in low airspeed, an exceedance of the airplane’s critical angle of attack, and a subsequent aerodynamic stall. Contributing to the accident was the control system… - [NTSB WPR16LA099](https://openairdocs.org/ntsb/WPR16LA099.md): Bell 47G 5 · San Ardo, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 29, 2016 · N6288N · Substantial damage > The failure of the pin in the outboard end of the lateral flight control torque tube. - [NTSB GAA16LA182](https://openairdocs.org/ntsb/GAA16LA182.md): Hughes 369 · Weatherford, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 8, 2016 · N298SD · Substantial damage > The pilot/mechanic's inadequate postmaintenance and preflight inspections, which resulted in his failure to remove the antitorque pedal lock and a subsequent loss of control during hover operations. - [NTSB DCA16WA104](https://openairdocs.org/ntsb/DCA16WA104.md): Boeing 747 · Jeddah, Saudi Arabia · Incident · No injuries · Foreign investigation · Mar 9, 2016 · TF-AMU · No damage > The government of Saudi Arabia has notified the NTSB of an accident involving a BOEING 747 airplane that occurred on March 09, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of Saudi Arabia's investigation under the… - [NTSB CEN16WA110](https://openairdocs.org/ntsb/CEN16WA110.md): Piper PA23 · Saint François, Guadeloupe · Accident · No injuries · Foreign investigation · Feb 22, 2016 · N539EG · Destroyed > On February 22, 2016, a Piper PA-23-250 airplane, N539EG, sank after ditching near the Saint François Airport (TFFC), Saint François, Guadeloupe (France). The pilot was not injured.This investigation is under the jurisdiction and control of the French… - [NTSB ANC16WA070](https://openairdocs.org/ntsb/ANC16WA070.md): Piper PA-28-140 · St Andrews, Canada · Accident · No injuries · Foreign investigation · Feb 13, 2016 · C-GQPN · No damage > On February 13, 2016, about 2039 Coordinated Universal Time (UTC), a Piper PA-28-140 airplane, (Canadian Registration C-GQPN) was on approach to St. Andrews, MB (CYAV) with an instructor and a student on board. Prior to touch down at approximately 50 feet… - [NTSB CEN16IA103](https://openairdocs.org/ntsb/CEN16IA103.md): Cessna 560 · Dallas, TX · Incident · No injuries · Incident investigation · Final report · Feb 9, 2016 · N774SB · No damage > The loss of aileron trim due to the lack of separation between the cannon head on the back of autopilot cannon plug and the aileron trim tab control gear. Contributing to the incident was the lack of guidance in the airplane maintenance manual to verify… - [NTSB ERA16LA030](https://openairdocs.org/ntsb/ERA16LA030.md): Hughes 369D · Marion, SC · Accident · No injuries · Limited investigation · Final report · Oct 30, 2015 · N920JP · Substantial damage > A momentary jam in the tail rotor control system from an undetermined source, resulting in a torsional fracture of the tail rotor control torque tube and a loss of helicopter control. - [NTSB ERA16LA015](https://openairdocs.org/ntsb/ERA16LA015.md): Bell 206L 3 · Dickinson, AL · Accident · No injuries · Limited investigation · Final report · Oct 15, 2015 · N206CJ · Substantial damage > The improper installation by company maintenance personnel of the securing hardware of a tail rotor driveshaft section, which resulted in that section of tail rotor driveshaft disconnecting and a complete loss of tail rotor thrust. - [NTSB CEN15WA449](https://openairdocs.org/ntsb/CEN15WA449.md): Trendak Tercel · Odorheiul Secuiesc City, Romania · Accident · 1 fatal · Foreign investigation · Sep 26, 2015 · A11-DUN · Substantial damage > This is preliminary information, subject to change, and may contain errors. On September 26, 2015, at an unknown time, a Trendak Tercel gyroplane, A11-DUN, impacted terrain after takeoff from an airfield near Odorheiul Secuiesc city, Harghita County, Romania.… - [NTSB GAA15CA294](https://openairdocs.org/ntsb/GAA15CA294.md): Howard DGA 15P · Englewood, CO · Accident · No injuries · Data collection · Final report · Sep 25, 2015 · N1785H · Substantial damage > The separation of the elevator control system linkage at a push/pull tube and cable joint, for an unknown reason, because the bolt and associated hardware securing the joint was not found for examination. - [NTSB CEN15FA425](https://openairdocs.org/ntsb/CEN15FA425.md): Cessna T310Q · Wichita, KS · Accident · 1 fatal · Field investigation · Final report · Sep 25, 2015 · N301JA · Destroyed > The separation of the attachment hardware connecting the elevator trim tab pushrod to the elevator trim actuator, which resulted in the elevator trim tab jamming in a position outside the limits of normal travel and a subsequent loss of airplane control. - [NTSB ERA15LA374](https://openairdocs.org/ntsb/ERA15LA374.md): Bell 206 · Thomaston, GA · Accident · No injuries · Limited investigation · Final report · Sep 20, 2015 · N165BH · Destroyed > The loss of tail rotor control due to a fractured pin in the tail rotor control system; the reason the pin fractured could not be determined as the fractured pin was lost in shipping. - [NTSB ERA15LA360](https://openairdocs.org/ntsb/ERA15LA360.md): J. Schilling S-19 · East Falmouth, MA · Accident · No injuries · Limited investigation · Final report · Sep 15, 2015 · N8DV · Substantial damage > The experimental airplane builder's failure to properly secure the stabilator trim tab push-pull tube’s connection, which resulted in the tube’s separation and a subsequent hard landing. Contributing to the accident was the pilot/owner's failure to detect the… - [NTSB ERA15LA358](https://openairdocs.org/ntsb/ERA15LA358.md): Bellanca 7KCAB · Manteo, NC · Accident · Serious injuries · Limited investigation · Final report · Sep 14, 2015 · N86705 · Substantial damage > The inadvertent lodging of the banner-tow cable between the right elevator and horizontal stabilizer after the pilot threw the grapple hook out the window, which resulted in the loss of pitch control and the airplane’s subsequent impact with water. - [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 WPR15LA249](https://openairdocs.org/ntsb/WPR15LA249.md): Schweizer 269C - Undesignat · Mesa, AZ · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 2015 · N315TV · Substantial damage > The disbondment of a main rotor damper, which resulted in the degradation of its damping action and led to excessive main rotor vibrations and oscillations that caused substantial damage to the helicopter in flight and led to a hard landing. - [NTSB CEN15LA395](https://openairdocs.org/ntsb/CEN15LA395.md): Bell Helicopter Textron Canada 429 · Port O'Connor, TX · Accident · No injuries · Limited investigation · Final report · Aug 21, 2015 · N429AR · Substantial damage > The fatigue failure of the tail rotor pitch change link spherical bearing housing as a result of corrosion pitting. - [NTSB CEN15LA367](https://openairdocs.org/ntsb/CEN15LA367.md): Air Tractor AT-802A · Wiville, AR · Accident · 1 fatal · Limited investigation · Final report · Aug 18, 2015 · N3070R · Destroyed > The pilot's failure to maintain clearance from a utility pole while maneuvering during an agricultural application flight, which resulted in damage to the right aileron and a subsequent uncontrolled right roll at a low altitude. - [NTSB ERA15LA319](https://openairdocs.org/ntsb/ERA15LA319.md): Head AX9 118 · New Holland, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 16, 2015 · N40104 · Minor damage > The pilot's failure to adequately secure the vent line, which resulted in the premature deflation of the balloon’s envelope and its subsequent contact with power lines. Contributing to the accident were the pilot's choice of an unsuitable landing area, which… - [NTSB WPR15LA203](https://openairdocs.org/ntsb/WPR15LA203.md): Beech C 99 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Jun 30, 2015 · N6199D · Substantial damage > The airplane’s unmanageable right yaw during takeoff for reasons that could not be determined because postaccident examination of the rudder and rudder assembly did not reveal any anomalies that would have precluded normal operation. - [NTSB CEN15LA265](https://openairdocs.org/ntsb/CEN15LA265.md): Bell 407 · Pecan Island, LA · Accident · No injuries · Limited investigation · Final report · Jun 8, 2015 · N501PH · Substantial damage > The fatigue fracture of the tail rotor gearbox attachment studs, which resulted in a loss of tail rotor control and a subsequent hard landing. - [NTSB ANC15LA037](https://openairdocs.org/ntsb/ANC15LA037.md): Dehavilland DHC-3T · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Jun 4, 2015 · N3125N · Substantial damage > The flutter failure of the right elevator servo tab due to the improper fabrication of the servo tab and maintenance personnel’s subsequent failure to detect anomalies with the servo tab. - [NTSB CEN15IA200](https://openairdocs.org/ntsb/CEN15IA200.md): Air Tractor AT 402A · Brickeys, AR · Incident · No injuries · Incident investigation · Final report · Apr 4, 2015 · N623LA · Minor damage > The in-flight separation of the attachment hardware at the elevator control pushrod due to maintenance personnel's improper reinstallation of the attachment hardware. - [NTSB CEN15LA182](https://openairdocs.org/ntsb/CEN15LA182.md): Air Tractor AT 400 · Levelland, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 26, 2015 · N136DB · Substantial damage > The in-flight separation of the left aileron's attachment hardware at the connection between the long aileron pushrod and the left aileron bellcrank. Contributing to the accident was maintenance personnel’s improper installation of, or failure to install, the… - [NTSB ENG15WA021](https://openairdocs.org/ntsb/ENG15WA021.md): Boeing 737 - 683 · Oslo, Norway · Incident · No injuries · Foreign investigation · Mar 25, 2015 · LN-RPA · No damage > On March 25, 2015, at approximately 0730 Coordinated Universal Time (UTC), a Boeing 737-683, Norwegian registration LN-RPA, operated by Scandinavian Airlines System (SAS), experienced a pitch control problem while landing on Runway 01R at Oslo Airport,… - [NTSB ANC15LA015](https://openairdocs.org/ntsb/ANC15LA015.md): Airbus AS350 B2 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Mar 13, 2015 · N814EH · Substantial damage > The failure of the ball bearing within the pitch change spider assembly due to its operation with no grease within the bearing, which resulted in the subsequent fracture of the spider assembly and a loss of tail rotor control authority. Also causal to the… - [NTSB WPR15LA126](https://openairdocs.org/ntsb/WPR15LA126.md): Piper PA 18-150 · Merced, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 2015 · N5385Y · Substantial damage > The separation of the flight control stick from the stub due to its improper installation. - [NTSB CEN15CA166](https://openairdocs.org/ntsb/CEN15CA166.md): Funk B85C · Leonard, OK · Accident · No injuries · Data collection · Final report · Mar 6, 2015 · N81194 · Substantial damage > The improper installation of the UP elevator cable turnbuckle which became disconnected during the flight. - [NTSB CEN15CA159](https://openairdocs.org/ntsb/CEN15CA159.md): Arnold Zodiac CH 650 · Greeley, CO · Accident · No injuries · Data collection · Final report · Feb 27, 2015 · N715AK · Substantial damage > The pilot was unable to maintain directional control during the landing due to the foreign object that lodged behind the rudder. - [NTSB CEN15LA156](https://openairdocs.org/ntsb/CEN15LA156.md): Agusta Aerospace AW119 Mkii · Gulf of Mexico · Accident · No injuries · Limited investigation · Final report · Feb 20, 2015 · N802SM · Substantial damage > The fracture of the tail rotor pitch change link due to excessive bearing rotational friction, which resulted from the bearings being installed in exceedance of the maximum allowable torque during the last overhaul of the pitch change link. - [NTSB ANC15IA006](https://openairdocs.org/ntsb/ANC15IA006.md): Cessna 180J · Nome, AK · Incident · No injuries · Incident investigation · Final report · Dec 20, 2014 · N393B · Minor damage > The disengagement and subsequent binding of the right tailwheel steering cable, which disabled the rudder system. - [NTSB CEN15IA085](https://openairdocs.org/ntsb/CEN15IA085.md): Dassault/Sud FAN JET Falcon · Shreveport, LA · Incident · No injuries · Incident investigation · Final report · Dec 12, 2014 · N827AA · No damage > A short in the trim system’s wires and connector, which resulted in the elevator trim being in a full nose-down position. Next page: https://openairdocs.org/ntsb-events/333/sequence.md?page=6 ## 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 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?page=5 --- 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.