# NTSB investigations: Equipment design 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 ANC25LA008](https://openairdocs.org/ntsb/ANC25LA008.md): Cub Crafters CC18-180 · Anchorage, AK · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 2, 2024 · N55PK · Substantial damage > The incorrect installation of the rear flight control stick, resulting in the pilot’s inability to control the pitch attitude, coupled with the pilot’s inadequate control system check before departure, all which resulted in an aerodynamic stall during takeoff. - [NTSB CEN24LA318](https://openairdocs.org/ntsb/CEN24LA318.md): Ayres S2R · Stanwood, MI · Accident · No injuries · Class 3 · Limited · Final report · Jun 20, 2024 · N4004K · Substantial damage > The pilot’s failure to maintain terrain clearance during a low-level aerial application flight, which resulted in impact with terrain and a subsequent forced landing. Contributing to the accident was the location of the spray boom pressure gauge, which… - [NTSB WPR24FA053](https://openairdocs.org/ntsb/WPR24FA053.md): Beauchamp Norm Kitfox · Eloy, AZ · Accident · 1 fatal · Class 3 · Field · Final report · Dec 8, 2023 · N66180 · Destroyed > The separation of a propeller blade during the initial climb due to insufficient blade retention forces. Contributing to the accident was the propeller blade retention design, manufacturing defects that prevented the propeller from achieving adequate grip… - [NTSB ERA23FA007](https://openairdocs.org/ntsb/ERA23FA007.md): Seamax M-22 · East Hampton, NY · Accident · 1 fatal · Class 3 · Field · Final report · Oct 6, 2022 · N46PD · Substantial damage > An inflight separation of the right wing as a result of the manufacturer’s application of a bolt and nut in the upper wing strut attachment point that was inconsistent with the nut design intent and usage limitations. - [NTSB DCA21FA085](https://openairdocs.org/ntsb/DCA21FA085.md): Boeing 777-222 · Broomfield, CO · Incident · No injuries · Class 3 · Field · Final report · Feb 20, 2021 · N772UA · Minor damage > The fatigue failure of the right engine fan blade. Contributing to the fan blade failure was the inadequate inspection of the blades, which failed to identify low-level indications of cracking, and the insufficient frequency of the manufacturer’s inspection… - [NTSB DCA20MA002](https://openairdocs.org/ntsb/DCA20MA002.md): Saab 2000 · Unalaska, AK · Accident · 1 fatal · Class 1 · Major · Final report · Oct 18, 2019 · N686PA · Substantial damage > The landing gear manufacturer’s incorrect wiring of the wheel speed transducer harnesses on the left main landing gear during overhaul. The incorrect wiring caused the antiskid system not to function as intended, resulting in the failure of the left outboard… - [NTSB ERA17LA263](https://openairdocs.org/ntsb/ERA17LA263.md): Sikorsky S-97A · Jupiter, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2017 · N971SK · Substantial damage > A design change in the helicopter's fly-by-wire control system that resulted in an increase in the sensitivity of the cyclic stick while transitioning from ground to flight mode, magnifying the pilot's control inputs, which resulted in unintentional over… - [NTSB ERA16LA274](https://openairdocs.org/ntsb/ERA16LA274.md): Alisport Silent 2 Targa · London, KY · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 2016 · N602SL · Substantial damage > The pilot's failure to properly secure the right side of the canopy before takeoff, and an in-flight collision with trees while maneuvering with an open canopy. Contributing to the pilot's failure to properly secure the canopy was the lack of a visual… - [NTSB DCA16FA199](https://openairdocs.org/ntsb/DCA16FA199.md): Bell 525 · Italy, TX · Accident · 2 fatal · Class 2 · Field · Final report · Jul 6, 2016 · N525TA · Destroyed > A severe vibration of the helicopter that led to the crew's inability to maintain sufficient rotor rotation speed (Nr), leading to excessive main rotor blade flapping, subsequent main rotor blade contact with the tail boom, and the resultant in-flight… - [NTSB ERA16FA194](https://openairdocs.org/ntsb/ERA16FA194.md): Jihlavan Airplanes Sro KP 5 ASA · Rhoadesville, VA · Accident · 2 fatal · Field investigation · Final report · May 24, 2016 · N440JM · Destroyed > The pilots' loss of control that necessitated the activation of the parachute system and the airplane manufacturer's inadequate design of the front parachute anchor attachment structure, which resulted in a failure of the parachute after it was deployed in… - [NTSB DCA16LA032](https://openairdocs.org/ntsb/DCA16LA032.md): Boeing 737 3H4 · Nashville, TN · Accident · No injuries · Limited investigation · Final report · Dec 15, 2015 · N649SW · Substantial damage > the flight crew's early turn towards the assigned gate because taxiway lighting had been inadvertently turned off by the controller-in-charge which resulted in the airplane leaving the paved surface. Contributing to the accident was the operation of the… - [NTSB CEN15MA290](https://openairdocs.org/ntsb/CEN15MA290.md): Airbus Helicopters AS350B3E · Frisco, CO · Accident · 1 fatal · Class 1 · Major · Final report · Jul 3, 2015 · N390LG · Destroyed > Airbus Helicopters' dual-hydraulic AS350 B3e helicopter's (1) preflight hydraulic check, which depleted hydraulic pressure in the tail rotor hydraulic circuit, and (2) lack of salient alerting to the pilot that hydraulic pressure was not restored before… - [NTSB DCA15MA019](https://openairdocs.org/ntsb/DCA15MA019.md): Scaled Composites 339 · Koehn Dry Lake, CA · Accident · 1 fatal · Class 1 · Major · Final report · Oct 31, 2014 · N339SS · Destroyed > Scaled Composites' failure to consider and protect against the possibility that a single human error could result in a catastrophic hazard to the SpaceShipTwo vehicle. This failure set the stage for the copilot's premature unlocking of the feather system as a… - [NTSB ERA14LA202](https://openairdocs.org/ntsb/ERA14LA202.md): Oconnor Paul A Ultimate Aero 10-200 · Saint Albans, VT · Accident · No injuries · Limited investigation · Final report · Apr 18, 2014 · N827D · Destroyed > The propeller blade’s failure due to fatigue cracks that initiated from pitch change pin attachment holes that had been drilled too deep during manufacture. - [NTSB DCA13CA172](https://openairdocs.org/ntsb/DCA13CA172.md): Nasa Ames Research Center Sierra · Beaufort Sea, AK · Accident · No injuries · Data collection · Final report · Jul 27, 2013 · UNREG · Substantial damage > continued operation into engine intake system icing conditions resulting in a loss of power; due to schedule pressure and an insufficient risk management process. - [NTSB WPR13LA214](https://openairdocs.org/ntsb/WPR13LA214.md): Cessna 421A · Oakland, CA · Accident · No injuries · Limited investigation · Final report · May 1, 2013 · N216WA · Substantial damage > A failure of the left main landing gear pivot bolt in overstress during landing. - [NTSB DCA13IA037](https://openairdocs.org/ntsb/DCA13IA037.md): Boeing 787 · Boston, MA · Incident · No injuries · Class 1 · Incident · Final report · Jan 7, 2013 · JA829J · Minor damage > an internal short circuit within a cell of the auxiliary power unit (APU) lithium-ion battery, which led to thermal runaway that cascaded to adjacent cells, resulting in the release of smoke and fire. The incident resulted from Boeing's failure to incorporate… - [NTSB ERA12TA542](https://openairdocs.org/ntsb/ERA12TA542.md): Ridge Lowell H Jabiru J230 · Otter Lake, NY · Accident · No injuries · Final report · Aug 16, 2012 · N365R · Substantial damage > A failure of an engine cylinder exhaust valve due to the buildup of lead deposits on the valve stem and fatigue cracking of the valve stem, resulting in a total loss of engine power, and the loss of the propeller. Contributing to the accident was the lack of… - [NTSB WPR12LA329](https://openairdocs.org/ntsb/WPR12LA329.md): Interplane Skyboy EX · Sandy, OR · Accident · No injuries · Limited investigation · Final report · Jul 28, 2012 · N582YB · Substantial damage > A partial loss of engine power during takeoff due to carburetor icing. Contributing to the accident was the lack of a carburetor heat system installed on the airplane. - [NTSB DCA12IA114](https://openairdocs.org/ntsb/DCA12IA114.md): Boeing 787 · Charleston, SC · Incident · No injuries · Incident investigation · Final report · Jul 28, 2012 · VT-ANJ · Minor damage > The separation of the fan mid shaft resulted from environmentally assisted cracking under static load. Contributing to the incident was the combination of dry film lubricant applied to the fan mid-shaft and graphite grease used during assembly which made the… - [NTSB ENG12IA004](https://openairdocs.org/ntsb/ENG12IA004.md): Bombardier CL600 2C10 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Oct 23, 2011 · N751EV · No damage > The Start Operability Bleed Valve (OBV) fuel return adapter-fitting fractured and separated in cyclic fatigue, which allowed fuel to spill onto a hot engine case that ignited the undercowl fire. The OBV fuel adapter-fitting was dropped and the damage reduced… - [NTSB ERA12FA018](https://openairdocs.org/ntsb/ERA12FA018.md): Berger Michael A Waiex · Washington, GA · Accident · 1 fatal · Field investigation · Final report · Oct 22, 2011 · N75654 · Substantial damage > The in-flight failure of the aircraft’s Y-tail attachment structure during maneuvering flight due to overload. Contributing to the accident was, the kit manufacturer’s use of 14 CFR Part 23, Appendix A design guidelines intended for a conventional tail… - [NTSB ERA11LA392](https://openairdocs.org/ntsb/ERA11LA392.md): Robinson Helicopter R22 Beta · West Palm Beach, FL · Accident · Minor injuries · Limited investigation · Final report · Jul 10, 2011 · N10786 · Substantial damage > Separation of the auxiliary fuel tank cap, which entered the tail rotor system. Contributing to the accident was the lack of a fuel tank cap restraint. - [NTSB WPR11LA167](https://openairdocs.org/ntsb/WPR11LA167.md): Rotorway A600 · Chandler, AZ · Accident · No injuries · Limited investigation · Final report · Mar 15, 2011 · N602RW · Substantial damage > A design modification that changed the fasteners and components used to attach the main rotor drive pulley to the engine, which resulted in fatigue failure of those fasteners and a complete loss of power to the main rotor. - [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 ERA10LA237](https://openairdocs.org/ntsb/ERA10LA237.md): Piper PA 46-350P · Parkersburg, WV · Accident · No injuries · Limited investigation · Final report · Apr 16, 2010 · N779MA · Substantial damage > The inadequate design of the engine mount by the manufacturer, resulting in collapse of the nose landing gear. Contributing to the accident was the failure of the operator to adhere to the manufacturer's suggested engine mount inspection schedule. - [NTSB CEN10LA050](https://openairdocs.org/ntsb/CEN10LA050.md): Augustine David L Sonex · Burnet, TX · Accident · 1 fatal · Limited investigation · Final report · Nov 14, 2009 · N10DA · Substantial damage > The pilot’s failure to maintain aircraft control, resulting in an aerodynamic stall. Contributing to the accident was the loss of engine power due to a clogged fuel screen that resulted in fuel starvation caused by the builder's inappropriate use of a fuel… - [NTSB ERA09LA540](https://openairdocs.org/ntsb/ERA09LA540.md): Flight Design Ctsw · Gettysburg, PA · Accident · No injuries · Limited investigation · Final report · Sep 13, 2009 · N466CT · Substantial damage > The failure of the left main wheel attachment fitting due to overstress. - [NTSB ERA09LA471](https://openairdocs.org/ntsb/ERA09LA471.md): Piper PA-46-350P · Sanford, FL · Accident · No injuries · Limited investigation · Final report · Aug 16, 2009 · N548C · Substantial damage > The fatigue cracking at the point the nose landing gear actuator attaches to the mount resulting in separation of the actuator and partial collapse of the nose landing gear. Contributing to the accident was the lack of specific inspection guidance for… - [NTSB ERA09FA304](https://openairdocs.org/ntsb/ERA09FA304.md): Beech C90A · Yeehaw Junction, FL · Accident · No injuries · Field investigation · Final report · May 25, 2009 · N8001V · Substantial damage > The failure of the flightcrew to recognize that both engines were being supplied fuel only from the right wing fuel tanks resulting in loss of power in both engine due to fuel starvation. Contributing to the accident were the inoperative the left auxiliary… - [NTSB CEN09MA117](https://openairdocs.org/ntsb/CEN09MA117.md): Sikorsky S-76C · Morgan City, LA · Accident · 8 fatal · Major investigation · Final report · Jan 4, 2009 · N748P · Destroyed > (1) the sudden loss of power to both engines that resulted from impact with a bird (red-tailed hawk), which fractured the windshield and interfered with engine fuel controls, and (2) the subsequent disorientation of the flight crewmembers, which left them… - [NTSB WPR09FA005](https://openairdocs.org/ntsb/WPR09FA005.md): Iniziative Industriali Italian SKY Arrow 600 · Malibu, CA · Accident · 1 fatal · Field investigation · Final report · Oct 8, 2008 · N454SA · Substantial damage > The pilot's failure to maintain aircraft control during a low-altitude maneuver. Contributing to the accident was the pilot's decision to perform a maneuver at a low altitude that was insufficient to allow him to recover from the loss of control. Contributing… - [NTSB DCA08MA098](https://openairdocs.org/ntsb/DCA08MA098.md): Learjet LR60 · Columbia, SC · Accident · 4 fatal · Class 1 · Major · Final report · Sep 20, 2008 · N999LJ · Destroyed > The operator’s inadequate maintenance of the airplane’s tires, which resulted in multiple tire failures during takeoff roll due to severe underinflation, and the captain’s execution of a rejected takeoff (RTO) after V1, which was inconsistent with her… - [NTSB NYC08FA307](https://openairdocs.org/ntsb/NYC08FA307.md): Lindstrand Balloons 150A · Phoenixville, PA · Accident · 1 fatal · Field investigation · Final report · Sep 7, 2008 · N844LB · Substantial damage > The separation of a portion of a fuel fitting during a hard landing resulting in release of fuel and a fire in the balloons basket area. Contributing to the accident was the pilot's failure to follow the manufacturer's published procedures to shut down the… - [NTSB CHI08IA152](https://openairdocs.org/ntsb/CHI08IA152.md): Eclipse EA500 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jun 5, 2008 · N612KB · No damage > The airplane manufacturer's inadequate software design requirements of the engine's full authority digital electronic controls (FADEC) fault logic that resulted in a simultaneous unrecoverable loss of thrust control on both engines when the FADEC's input data… ## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '04011010')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-findings/04011010/cases --- 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.