# NTSB investigations: Part(s) separation from AC 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 4 of 6 · 289 cases ## Cases, newest first - [NTSB WPR17LA119](https://openairdocs.org/ntsb/WPR17LA119.md): Paul R Seipt Sonex · Garfield, WA · Accident · No injuries · Class 3 · Limited · Final report · Jun 3, 2017 · N255BZ · Substantial damage > The pilot’s improper torque of screws that attached the flywheel mounting flange to the crankshaft during engine assembly, which resulted in heavy vibrations and the subsequent in-flight loss of the propeller. - [NTSB WPR17LA116](https://openairdocs.org/ntsb/WPR17LA116.md): Extra Flugzeugbau EA 300/S · Pendelton, OR · Accident · No injuries · Limited investigation · Final report · May 20, 2017 · N68PW · Substantial damage > The pilot’s failure to follow checklists to ensure the canopy was secured before takeoff. - [NTSB CEN17LA174](https://openairdocs.org/ntsb/CEN17LA174.md): Bell 407 · Venice, LA · Accident · No injuries · Limited investigation · Final report · May 2, 2017 · N457PH · Substantial damage > An in-flight separation of the tip block from the tail rotor blade due to an inadequate blade repair, which resulted in a rotor imbalance sufficient to crack the gearbox attachment studs and gearbox support assembly, and inadequate postrepair test procedures,… - [NTSB DCA17WA098](https://openairdocs.org/ntsb/DCA17WA098.md): Boeing 737 · Dublin, Ireland · Incident · No injuries · Foreign investigation · Apr 11, 2017 · EI-DAS · Minor damage > The Air Accident Investigation Unit (AAIU) of Ireland has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on April 11, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Ireland's… - [NTSB WPR17LA078](https://openairdocs.org/ntsb/WPR17LA078.md): Swearingen SA226 · Boise, ID · Accident · No injuries · Limited investigation · Final report · Mar 20, 2017 · N158WA · Substantial damage > Company maintenance personnel's failure to remove a screwdriver that was left lodged in the windshield wiper area of the forward fuselage during maintenance and subsequently became dislodged on takeoff/initial climb and collided with a left propeller blade. - [NTSB GAA17CA146](https://openairdocs.org/ntsb/GAA17CA146.md): Kaman Aerospace K 1200 · Julian, CA · Accident · No injuries · Data collection · Final report · Mar 13, 2017 · N675TH · Substantial damage > The pilot’s failure to conduct a thru-flight walkaround inspection, which resulted in the engine cowling remaining open and subsequently separating from the helicopter and striking the main rotor blades and vertical stabilizer during departure. - [NTSB GAA17CA179](https://openairdocs.org/ntsb/GAA17CA179.md): Burkhart Grob G 109B · Mokuleia, HI · Accident · No injuries · Data collection · Final report · Mar 8, 2017 · N109FH · Substantial damage > The failure of the upper rudder hinge during flight due to severe corrosion. Contributing to the accident were the pilot’s inadequate preflight inspection and the lack of an annual inspection. - [NTSB DCA17WA055](https://openairdocs.org/ntsb/DCA17WA055.md): Boeing 737 · Brisbane, Australia · Incident · No injuries · Foreign investigation · Jan 6, 2017 · VH-VUH · Minor damage > The Australian Transport Safety Bureau has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on January 06, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Australia's investigation under… - [NTSB WPR17LA031](https://openairdocs.org/ntsb/WPR17LA031.md): Piper PA 31T · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Dec 5, 2016 · N909PW · Substantial damage > Failure of the left windshield due to moisture ingression into the windshield laminate, which deteriorated the strength of the windshield. - [NTSB ERA17FA050](https://openairdocs.org/ntsb/ERA17FA050.md): Curtiss JN4 · Williamson, GA · Accident · 2 fatal · Field investigation · Final report · Nov 17, 2016 · N1662 · Destroyed > The in-flight failure of the propeller due to excessive engine vibration loads and the use of an incorrectly-sized propeller, which resulted in a fatigue crack of the leading edge strip. Contributing to the accident was the inadequate repair of the propeller… - [NTSB CEN17FA035](https://openairdocs.org/ntsb/CEN17FA035.md): Stamper RV-10 · Dubois, WY · Accident · 1 fatal · Field investigation · Final report · Nov 5, 2016 · N924WY · Destroyed > The pilot's failure to maintain adequate airspeed after becoming distracted by the opening of the gull-wing cabin door during takeoff, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall at a low… - [NTSB ERA17LA032](https://openairdocs.org/ntsb/ERA17LA032.md): Bell OH 58C · Cameron, NC · Accident · Minor injuries · Limited investigation · Final report · Nov 1, 2016 · N139RD · Substantial damage > An in-flight failure of a main rotor blade due to fatigue cracks. Contributing to the failure of the main rotor blade was the absence of guidance to the operator to inspect an area of the main rotor blade known to be susceptible to fatigue cracks and the… - [NTSB CEN17LA033](https://openairdocs.org/ntsb/CEN17LA033.md): North American TB 25N · Dallas, TX · Accident · No injuries · Limited investigation · Final report · Oct 29, 2016 · N25YR · Substantial damage > The overstress failure of the landing gear connecting rod and the improper installation of the arresting cables, which allowed the landing gear door to depart in flight and impact the airplane. - [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 DCA16WA227](https://openairdocs.org/ntsb/DCA16WA227.md): Boeing 777 · Abu Dhabi, United Arab Emirates · Incident · No injuries · Foreign investigation · Sep 27, 2016 · A6-ETL · Minor damage > The General Civil Aviation Authority (GCAA) of the United Arab Emirates has notified the NTSB of an incident involving a Boeing 777 that occurred on September 27, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the GCAA's investigation… - [NTSB ANC16LA072](https://openairdocs.org/ntsb/ANC16LA072.md): Helio H-250 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Sep 26, 2016 · N6324V · Substantial damage > The fatigue fracture failure of both main landing gear (MLG) legs during the landing roll, which resulted in the collapse and separation of both MLG legs. - [NTSB ENG16IA037](https://openairdocs.org/ntsb/ENG16IA037.md): Airbus A320 · Miami, FL · Incident · No injuries · Incident investigation · Final report · Sep 19, 2016 · P4-AAA · Minor damage > the incorrect latching of the #2 Engine Fan Cowl following a routine maintenance check that resulted in separation of the cowl during takeoff. - [NTSB WPR16LA181](https://openairdocs.org/ntsb/WPR16LA181.md): Dehavilland DH115 Vampire · Reno, NV · Accident · No injuries · Limited investigation · Final report · Sep 17, 2016 · N4861K · Substantial damage > The in-flight failure of the canopy and subsequent loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine revealed no anomalies that would have precluded normal operation. - [NTSB DCA16WA231](https://openairdocs.org/ntsb/DCA16WA231.md): Boeing 727 · Kamina, Congo - Kinshasa · Accident · No injuries · Foreign investigation · Sep 16, 2016 · 9Q-CVS · Substantial damage > The government of Dem. Republic of Congo (DRC) has notified the NTSB of an accident involving a BOEING 727 airplane that occurred on September 16, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of DRC's investigation… - [NTSB CEN16LA330](https://openairdocs.org/ntsb/CEN16LA330.md): Hiller UH 12D · Cokeville, WY · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 2016 · N97TH · Substantial damage > Failure of the control rotor cuff due to fatigue. - [NTSB ERA16LA295](https://openairdocs.org/ntsb/ERA16LA295.md): Piper PA34 · Hollywood, FL · Accident · No injuries · Limited investigation · Final report · Aug 19, 2016 · N16499 · Substantial damage > Maintenance personnel’s failure to comply with an airworthiness directive for the propeller, which resulted in a propeller hub failure due to fatigue. - [NTSB GAA16CA430](https://openairdocs.org/ntsb/GAA16CA430.md): Pzl-Swidnik PW 6U · Llano, CA · Accident · No injuries · Data collection · Final report · Aug 14, 2016 · N212EC · Substantial damage > The pilot’s failure to properly secure the two aft canopy latches during the preflight inspection, which resulted in the canopy separating from the glider during the takeoff roll and substantial damage to the vertical stabilizer. - [NTSB ANC16LA046](https://openairdocs.org/ntsb/ANC16LA046.md): Cessna A185 · Illiamna, AK · Accident · No injuries · Limited investigation · Final report · Jul 19, 2016 · N85CF · Substantial damage > The overstress fracture of the left main landing (MLG) gear axle attachment bolts and the subsequent separation of the left MLG wheel, which resulted in the pilot’s inability to control the airplane. - [NTSB GAA16CA374](https://openairdocs.org/ntsb/GAA16CA374.md): Cessna 150 · Cleveland, GA · Accident · Minor injuries · Data collection · Final report · Jul 11, 2016 · N23483 · Substantial damage > Failure of the left main landing gear attachment during the landing roll, which resulted in a left landing gear collapse, and damage to the left wing and aileron. - [NTSB GAA16LA325](https://openairdocs.org/ntsb/GAA16LA325.md): MD Helicopter 369E · Brainerd, MN · Accident · No injuries · Limited investigation · Final report · Jun 17, 2016 · N155NR · Substantial damage > The failure of the helicopter’s windscreen for reasons that could not be determined based on the available information, which resulted in substantial damage to the main rotor blades and horizontal stabilizer. - [NTSB ANC16LA024](https://openairdocs.org/ntsb/ANC16LA024.md): Cessna 180 · Naknek, AK · Accident · No injuries · Limited investigation · Final report · May 3, 2016 · N6479X · Substantial damage > The overstress fracture and subsequent separation of the left main landing gear axle due to a hard landing, which resulted in the pilot’s inability to maintain directional control of the airplane. - [NTSB CEN16LA184](https://openairdocs.org/ntsb/CEN16LA184.md): Cessna 150F · Ponca City, OK · Accident · Serious injuries · Limited investigation · Final report · May 1, 2016 · N8619G · Substantial damage > Maintenance personnel's improper installation of the elevator bolt, which resulted in a loss of elevator control during landing. - [NTSB CEN16LA157](https://openairdocs.org/ntsb/CEN16LA157.md): Czech Sport Piper Sport · Mansfield, OH · Accident · No injuries · Limited investigation · Final report · Apr 14, 2016 · N197PS · Substantial damage > The pilot's failure to inspect the nose landing gear (NLG), which resulted in a crack going undetected and the subsequent separation of the NLG at the weld area during landing. - [NTSB CEN16LA401](https://openairdocs.org/ntsb/CEN16LA401.md): Agustawestland Philadelphia AW139 · Galliano, LA · Accident · No injuries · Limited investigation · Final report · Apr 7, 2016 · N639NA · Substantial damage > The fatigue failure of a tail rotor blade erosion shield extension, which resulted in in-flight damage to a main rotor blade. - [NTSB ERA16LA098](https://openairdocs.org/ntsb/ERA16LA098.md): Eurocopter France EC 130 B4 · Shoals, WV · Accident · No injuries · Limited investigation · Final report · Jan 29, 2016 · N133HN · Substantial damage > The improper locking of the rear passenger door by the specialty nurse, which resulted in the door separating from the helicopter in flight. - [NTSB DCA16WA020](https://openairdocs.org/ntsb/DCA16WA020.md): Boeing 737 · Lahore, Pakistan · Accident · No injuries · Foreign investigation · Nov 3, 2015 · AP-BJO · Substantial damage > The Civil Aviation Authority (CAA) of Pakistan has notified the NTSB of an accident involving a Boeing 737-400, registration AP-BJO, which occurred on November 3, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the CAA investigation… - [NTSB GAA16CA039](https://openairdocs.org/ntsb/GAA16CA039.md): Bell 407 · Cameron, LA · Accident · No injuries · Data collection · Final report · Oct 30, 2015 · N420PH · Substantial damage > The pilot's failure to remove a main rotor blade tiedown, which resulted in substantial damage to a main rotor blade when the engine was started. - [NTSB WPR16LA018](https://openairdocs.org/ntsb/WPR16LA018.md): Cessna 120 · Lone Pine, CA · Accident · No injuries · Limited investigation · Final report · Oct 24, 2015 · N3124N · Substantial damage > The fracture of the left main landing gear (MLG) wheel axle due to fatigue, which resulted in the separation of the left MLG wheel during takeoff from a dirt airstrip. - [NTSB ANC15LA073](https://openairdocs.org/ntsb/ANC15LA073.md): Robinson Helicopter R44 · Fort Glenn, AK · Accident · No injuries · Limited investigation · Final report · Sep 19, 2015 · N7162R · Substantial damage > The separation of the tail rotor gearbox from the tailboom attachment point due to overstress loads imposed by a tail rotor blade imbalance as the result of impact with an undetermined object during low-level flight operations. - [NTSB CEN15LA399](https://openairdocs.org/ntsb/CEN15LA399.md): Weatherly 620B · Hancock, WI · Accident · 1 fatal · Limited investigation · Final report · Aug 26, 2015 · N2005C · Destroyed > The in-flight failure of the left wing lower forward attach point under normal loading conditions due to corrosion and fatigue cracking in the center section hinge brackets. Contributing to the accident was the operator's inadequate maintenance and overweight… - [NTSB CEN15LA379](https://openairdocs.org/ntsb/CEN15LA379.md): Robinson Helicopter R44 II · Ketchum, OK · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 2015 · N444KD · Substantial damage > The separation of the tail rotor gearbox from the tailboom aft bulkhead due to overstress loads imposed by a blade imbalance from an in-flight impact with an undetermined object. - [NTSB GAA15CA226](https://openairdocs.org/ntsb/GAA15CA226.md): Stick & Rag Flying Club CB 1 · Kingman, KS · Accident · No injuries · Data collection · Final report · Aug 5, 2015 · N1030S · Substantial damage > The separation of the left wheel from the landing gear assembly during the landing touchdown, which precipitated a loss of directional control, runway excursion, and nose over. - [NTSB DCA15WA163](https://openairdocs.org/ntsb/DCA15WA163.md): Boeing 737 - 4Q8 · St Georges sur Meuse, Belgium · Incident · No injuries · Foreign investigation · Jul 31, 2015 · TC-TLE · Minor damage > The Air Accidents Investigation Unit (AAIU) of Belgium has notified the NTSB of an incident involving a Boeing 737-4Q8, which occurred on July 31, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the AAIU investigation under the… - [NTSB DCA15WA196](https://openairdocs.org/ntsb/DCA15WA196.md): Boeing 747 · New Delhi, India · Incident · No injuries · Foreign investigation · Jul 27, 2015 · B-HUL · Minor damage > The Air Accident Investigation Bureau (AAIB) of India has notified the NTSB of an incident involving a Boeing 747-400 that occurred on July 27, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB investigation under the provisions… - [NTSB GAA15CA187](https://openairdocs.org/ntsb/GAA15CA187.md): Hier James A Long EZ · Show Low, AZ · Accident · No injuries · Data collection · Final report · Jun 26, 2015 · N793H · Substantial damage > The right main landing gear leg fracture, which resulted in the landing gear wheel separation and a runway excursion. - [NTSB CEN15CA201](https://openairdocs.org/ntsb/CEN15CA201.md): Fiebich Paul Dean Airbike RX40 · Derby, KS · Accident · Minor injuries · Data collection · Final report · Mar 31, 2015 · N61453 · Substantial damage > The pilot's inadequate compensation for wind conditions during the landing, which resulted in a hard landing and separation of the left main landing gear. - [NTSB CEN15WA193](https://openairdocs.org/ntsb/CEN15WA193.md): Rans S6 - ES · Tan Rouge, Réunion · Accident · 2 fatal · Foreign investigation · Mar 30, 2015 · N974GQ · Destroyed > On March 30, 2015, about 0630 universal coordinated time (UTC), a Rans S6-ES airplane, French registration 974-GQ, impacted terrain near Tan Rouge, Reunion. The pilot and passenger on board were fatally injured. The airplane was destroyed. The local flight… - [NTSB DCA15WA075](https://openairdocs.org/ntsb/DCA15WA075.md): Boeing 747 - 468 · Jeddah, Saudi Arabia · Accident · No injuries · Foreign investigation · Feb 25, 2015 · HZ-AIX > The Aviation Investigation Bureau of the Kingdom of Saudi Arabia has notified the NTSB of an accident involving a Boeing 747-400, which occurred on February 25, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the investigation under… - [NTSB WPR15LA092](https://openairdocs.org/ntsb/WPR15LA092.md): Alexander RV-7 · Seabeck, WA · Accident · 1 fatal · Limited investigation · Final report · Jan 26, 2015 · N747BA · Destroyed > A loss of airplane control for reasons that could not be determined because the airplane impacted water, and the majority of the wreckage was not recovered. - [NTSB WPR15LA025](https://openairdocs.org/ntsb/WPR15LA025.md): Cessna 172S · Santa Monica, CA · Accident · No injuries · Limited investigation · Final report · Oct 26, 2014 · N353MV · Substantial damage > The separation of a section of a propeller blade due to fatigue cracking. Contributing to the accident was the operator’s failure to comply with the manufacturer’s maintenance and inspection instructions. - [NTSB CEN15TA035](https://openairdocs.org/ntsb/CEN15TA035.md): Bell UH1H · San Isidro, TX · Accident · No injuries · Final report · Oct 23, 2014 · N72595 · Substantial damage > The flight crew's failure to ensure that the sliding cabin door was properly secured before the flight. - [NTSB CEN14LA508](https://openairdocs.org/ntsb/CEN14LA508.md): Brupbacher Chris CB2000 · Reserve, LA · Accident · 2 fatal · Limited investigation · Final report · Sep 21, 2014 · N5002E · Destroyed > The failure of the flight control rod bearing due to an undetected preexisting corrosion-induced crack, which resulted in the main rotor blades going to full pitch and the rotor mast folding; this allowed the pusher propeller to strike and sever the tail. - [NTSB WPR14LA377](https://openairdocs.org/ntsb/WPR14LA377.md): Piper PA 28 · Lone Pine, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 15, 2014 · N5948W · Substantial damage > The fatigue failure of a propeller blade due to a propeller strike by/of an unidentified object at an unknown time. - [NTSB ERA14FA421](https://openairdocs.org/ntsb/ERA14FA421.md): Klaas Development Lancair IV P · Ooltewah, TN · Accident · 1 fatal · Field investigation · Final report · Sep 3, 2014 · N541EM · Substantial damage > The inadequate torque of the propeller mounting bolts and inspection of the propeller, which resulted in the fatigue fracture of the bolts and a subsequent in-flight separation of the propeller assembly. - [NTSB CEN14LA401](https://openairdocs.org/ntsb/CEN14LA401.md): Mosquito XE · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 1, 2014 · CF-HEZ · Substantial damage > The failure of the retaining assembly on the tail rotor blade, which resulted in the separation of the blade and the subsequent loss of helicopter control. Next page: https://openairdocs.org/ntsb-events/338/cases.md?page=5 ## 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '338') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-events/338/cases?page=4 --- 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.