# NTSB investigations: Repair 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 1 of 2 · 99 cases ## Latest cases - [NTSB ERA25LA204](https://openairdocs.org/ntsb/ERA25LA204.md): Eurocopter Deutschland MBB-BK 117 C-1 · Fort Washington, PA · Accident · Minor injuries · Class 3 · Limited · Final report · May 19, 2025 · N117NC · Substantial damage > Maintenance personnel’s failure to identify and replace damaged rivet nuts at the air conditioning louver assembly, which resulted in the separation of the louver assembly from the helicopter, the louver assembly’s impact with the tail rotor, and subsequent… - [NTSB ANC25LA030](https://openairdocs.org/ntsb/ANC25LA030.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 7, 2025 · N1718R · Substantial damage > Maintenance personnel’s reuse of worn hardware during the installation of the landing gear assembly and the hardware’s failure and subsequent separation of the gear leg from the landing gear box assembly during taxi. - [NTSB CEN25LA093](https://openairdocs.org/ntsb/CEN25LA093.md): Robinson Helicopter R22 Beta · Spearman, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 7, 2025 · N7191B · Substantial damage > Improperly torqued intake manifold bolts that allowed unmetered air to enter the engine, resulting in an overly lean fuel-air mixture, eventual failure of the No. 3 cylinder intake valve, and a total loss of engine power. - [NTSB CEN25LA018](https://openairdocs.org/ntsb/CEN25LA018.md): Piper PA-32R-301 · Van, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 17, 2024 · N81481 · Substantial damage > The mechanic’s improper maintenance of the engine’s air induction scat duct, which collapsed during the flight and resulted in a loss of engine power. - [NTSB ERA24LA375](https://openairdocs.org/ntsb/ERA24LA375.md): Air Tractor AT-802 · Hickory Valley, TN · Accident · No injuries · Class 3 · Limited · Final report · Sep 10, 2024 · N802JF · Substantial damage > A partial loss of engine power due to a leak in the fuel control unit bellows, which resulted in the fuel valve moving to minimum fuel flow. - [NTSB WPR24LA121](https://openairdocs.org/ntsb/WPR24LA121.md): Kitfox Series 5 · Yucca Grove, CA · Accident · No injuries · Class 3 · Limited · Final report · Apr 5, 2024 · N743JT · Substantial damage > The pilot’s improper repair of the oil sump, which resulted in a loss of oil pressure and collision with terrain during a precautionary landing. - [NTSB CEN24LA145](https://openairdocs.org/ntsb/CEN24LA145.md): Mooney M20E · Alpine, AR · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 2, 2024 · N86UM · Substantial damage > The improper maintenance of the cabin air and exhaust system which resulted in a cracked exhaust pipe and damaged cabin air tubing, and the subsequent elevated carbon monoxide levels in the cockpit and a forced landing to unsuitable terrain after the pilot… - [NTSB WPR24FA056](https://openairdocs.org/ntsb/WPR24FA056.md): Vans RV8 · Corona, CA · Accident · 1 fatal · Class 3 · Field · Final report · Dec 16, 2023 · N6948L · Substantial damage > Fuel contamination from the pilot’s improper application of a sealant to the fuel tank, which resulted in a partial loss of engine power on takeoff. - [NTSB ERA23FA382](https://openairdocs.org/ntsb/ERA23FA382.md): Smith William S Smith Cozy Mark IV · Cullman, AL · Accident · 1 fatal · Class 3 · Field · Final report · Sep 29, 2023 · N95SF · Substantial damage > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering at low altitude, which resulted in an aerodynamic stall and subsequent loss of control. Contributing to the accident was the pilot/owner’s improper installation of engine… - [NTSB WPR23FA351](https://openairdocs.org/ntsb/WPR23FA351.md): Golden Circle T Bird · Arlington, WA · Accident · 1 fatal · Class 3 · Field · Final report · Sep 22, 2023 · UNREG · Substantial damage > A failure of the forward left wing spar due to an improper repair, which resulted in an inflight separation of the left wing. Contributing to the accident was improper maintenance by splicing the wing spar. - [NTSB WPR23LA220](https://openairdocs.org/ntsb/WPR23LA220.md): Piper PA-30 · Nephi, UT · Accident · No injuries · Class 3 · Limited · Final report · Jun 8, 2023 · N7318Y · Substantial damage > A total loss of engine power due to fuel contamination as a result of the inadequate removal of fuel system corrosion during previous maintenance. - [NTSB ERA23LA013](https://openairdocs.org/ntsb/ERA23LA013.md): Schempp-Hirth Discus CS · Woodstock, VA · Accident · No injuries · Class 3 · Limited · Final report · Oct 8, 2022 · N520RJ · Substantial damage > Improper repair of a crack by maintenance personnel, which resulted in a subsequent failure of the glider canopy. - [NTSB ERA22FA320](https://openairdocs.org/ntsb/ERA22FA320.md): Knight AA Nieuport 28 · Basehor, KS · Accident · 1 fatal · Class 3 · Field · Final report · Jul 18, 2022 · N6170 · Destroyed > The pilot’s incorrect installation of the left-wing strut, which resulted in a loss of airplane control during takeoff and a subsequent aerodynamic stall and spin from which the pilot could not recover. - [NTSB WPR22LA259](https://openairdocs.org/ntsb/WPR22LA259.md): Socata TB21 · San Marcos, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 17, 2022 · N718TB · Substantial damage > The failure of the mechanical fuel pump due to internal friction for reasons that could not be determined based on available evidence, which resulted in a total loss of engine power. - [NTSB ERA22LA317](https://openairdocs.org/ntsb/ERA22LA317.md): Cessna T210F · Monticello, NY · Accident · No injuries · Class 3 · Limited · Final report · Jul 15, 2022 · N6195R · Destroyed > Maintenance personnel’s improper torque of the engine through-bolts during maintenance, which resulted in a bearing shift, oil starvation, and a total loss of engine power. - [NTSB CEN22LA256](https://openairdocs.org/ntsb/CEN22LA256.md): Bellanca 17-30A · Madison, MS · Accident · No injuries · Class 3 · Limited · Final report · Jun 16, 2022 · N39880 · Substantial damage > The failure of a muffler weld due to inadequate maintenance, which resulted in a fire. - [NTSB CEN22LA250](https://openairdocs.org/ntsb/CEN22LA250.md): Beech 58 · Evansville, IN · Incident · No injuries · Class 3 · Limited · Final report · Jun 8, 2022 · N78KL · Minor damage > The failure of the propeller blade due to high-cycle fatigue that originated from damage that occurred at an unknown time. Contributing to the accident was the failure to identify the damage before the accident flight. - [NTSB ERA22LA171](https://openairdocs.org/ntsb/ERA22LA171.md): Cessna 172 · Sparta, TN · Accident · No injuries · Class 3 · Limited · Final report · Mar 27, 2022 · N8431U · Substantial damage > Maintenance personnel’s failure to properly affix left main landing gear components, which led to the failure of the left main landing gear during the accident flight. - [NTSB WPR22LA080](https://openairdocs.org/ntsb/WPR22LA080.md): Walter Tachiki Tachiki 750 Cruzer · Spanish Fork, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 14, 2022 · N145WT · Substantial damage > A partial loss of engine power due to an obstructed catalytic converter, which most likely resulted from the pilot’s failure to properly repair or replace it after it was likely damaged during a previous incident. Contributing to the accident was the pilot’s… - [NTSB ERA21FA224](https://openairdocs.org/ntsb/ERA21FA224.md): Piper PA-31P · Myrtle Beach, SC · Accident · 1 fatal · Class 3 · Field · Final report · May 21, 2021 · N575BC · Destroyed > The mechanic’s inadvertent installation of the elevator trim tabs in reverse, which resulted in the pitch trim system operating opposite of the pilot’s input and the pilot’s subsequent loss of control. - [NTSB ERA21LA238](https://openairdocs.org/ntsb/ERA21LA238.md): Piper PA46R-350T · York, PA · Accident · No injuries · Class 3 · Limited · Final report · Dec 30, 2020 · N463ST · Substantial damage > An improper weld repair of the engine mount, which resulted in a fatigue failure of the mount and subsequent nose landing gear collapse. Contributing to the accident was maintenance personnel’s failure to accomplish the manufacturer’s service bulletin… - [NTSB CEN21LA031](https://openairdocs.org/ntsb/CEN21LA031.md): Piper PA28 · Buda, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 21, 2020 · N5932U · Substantial damage > An improperly torqued oil line fitting during an engine overhaul, which resulted in oil exhaustion and a total loss of engine power. - [NTSB ANC20LA100](https://openairdocs.org/ntsb/ANC20LA100.md): Cessna 180 · Tok, AK · Accident · No injuries · Class 3 · Limited · Final report · Oct 1, 2020 · N926LL · Substantial damage > The mechanic’s failure to properly repair the tailwheel, which resulted in a malfunction of the tailwheel and a loss of directional control. - [NTSB CEN20LA159](https://openairdocs.org/ntsb/CEN20LA159.md): Pilatus PC12 · Mesquite, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 23, 2020 · N477SS · Substantial damage > The loss of engine power due to a mis-rigged beta control cable (propeller reversing cable), which resulted in a loss of thrust inflight. - [NTSB DCA20LA047](https://openairdocs.org/ntsb/DCA20LA047.md): Boeing 737-824 · Denver, CO · Accident · No injuries · Class 3 · Limited · Final report · Dec 23, 2019 · N87513 · Substantial damage > Maintenance personnel’s excessive grinding of the left main landing gear’s aft trunnion pin during its initial overhaul, which caused heat damage to the base metal and led to the fatigue crack that caused the pin to fail during the accident flight.… - [NTSB ERA19TA235](https://openairdocs.org/ntsb/ERA19TA235.md): Cessna 152 · Wakefield, VA · Accident · No injuries · Class 3 · Final report · Jul 25, 2019 · N47028 · Substantial damage > The pilot's inadequate preflight inspection, which failed to detect and remove all water from fuel, and maintenance personnel’s unapproved repair of the right wing fuel cap, which resulted in fuel contamination and a subsequent partial loss of engine power… - [NTSB WPR19LA195](https://openairdocs.org/ntsb/WPR19LA195.md): Cessna T210 · Hurricane, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 15, 2019 · N6330N · Substantial damage > Maintenance personnel's improper installation of a throttle cable to the throttle body arm, which resulted in a throttle detachment during takeoff and subsequent loss of power. Contributing to the accident was the inadequate inspection of the throttle… - [NTSB CEN19LA219](https://openairdocs.org/ntsb/CEN19LA219.md): Fisher Flying Products Super Koala · Hazen, ND · Accident · No injuries · Class 3 · Limited · Final report · Jul 6, 2019 · N220FF · Substantial damage > The airplane owner's and mechanic's improper rigging and cable tension of the aileron control system, which resulted in a loss of control during takeoff. - [NTSB ERA19FA201](https://openairdocs.org/ntsb/ERA19FA201.md): Beech E55 · Hope Mills, NC · Accident · 2 fatal · Class 2 · Field · Final report · Jun 27, 2019 · N664AR · Destroyed > The pilot's failure to disengage an uncommanded nose-down pitch input. Contributing to the accident was improper maintenance of the pitch trim servo, which would have precluded a physical override of the pitch servo. - [NTSB ERA19LA137](https://openairdocs.org/ntsb/ERA19LA137.md): Pilatus PC12 · Fort Lauderdale, FL · Accident · No injuries · Class 3 · Limited · Final report · Mar 24, 2019 · N944BT · Substantial damage > Improper maintenance of the windshield, which resulted in delamination and in-flight depressurization. - [NTSB CEN19LA106](https://openairdocs.org/ntsb/CEN19LA106.md): Robinson R22 · Madill, OK · Accident · No injuries · Class 3 · Limited · Final report · Mar 20, 2019 · N7782H · Substantial damage > The failure of the V-belts due to improper maintenance, which resulted in the loss of power to the helicopter's rotor system and subsequent forced landing on rough terrain. - [NTSB ERA19LA125](https://openairdocs.org/ntsb/ERA19LA125.md): Piper PA31 · Leesburg, FL · Accident · No injuries · Class 3 · Limited · Final report · Mar 8, 2019 · N45MJ · Substantial damage > Maintenance personnel’s improper rigging of the main landing gear actuators, which resulted in the collapse of the right main landing gear. - [NTSB CEN19LA066](https://openairdocs.org/ntsb/CEN19LA066.md): Piper PA-32R-300 · Adrian, MI · Accident · Minor injuries · Limited investigation · Final report · Jan 13, 2019 · N8892E · Substantial damage > The airframe and powerplant mechanic's lack of experience in the overhaul of the engine model and the improper torque of the crankshaft gear bolt, which resulted in fatigue failure of the bolt and a total loss of engine power during an approach for landing. - [NTSB ERA19LA063](https://openairdocs.org/ntsb/ERA19LA063.md): Lancair LC41 · Moscow, PA · Accident · No injuries · Class 3 · Limited · Final report · Dec 4, 2018 · N618G · Substantial damage > A total loss of engine power and catastrophic engine failure due to the failure of the left turbocharger, which resulted in oil loss and oil starvation. Contributing to the accident was the failure of maintenance personnel to overhaul the turbocharger in… - [NTSB CEN18LA392](https://openairdocs.org/ntsb/CEN18LA392.md): Cirrus SR22 · Addison, TX · Accident · No injuries · Limited investigation · Final report · Sep 30, 2018 · N818GM · Substantial damage > Maintenance personnel’s improper installation of the muffler attachment hardware, which resulted in the muffler separating in flight, thermal damage that interrupted the magnetos’ function, and the subsequent total loss of engine power. - [NTSB WPR18LA221](https://openairdocs.org/ntsb/WPR18LA221.md): Hughes 369 · Honolulu, HI · Accident · No injuries · Class 2 · Limited · Final report · Aug 8, 2018 · N369MH · Substantial damage > The operator's improper installation of the tail rotor (TR) teeter bearings, which resulted in cascading in-flight failures of the TR components and attach hardware. - [NTSB CEN18LA278](https://openairdocs.org/ntsb/CEN18LA278.md): Aero Commander S2R · Vinton, IA · Accident · No injuries · Class 3 · Limited · Final report · Jul 17, 2018 · N5553X · Substantial damage > Loss of throttle control input due to a failure in the throttle control system. Contributing to the accident was the inadequate inspection and reinstallation of worn parts by maintenance personnel. - [NTSB CEN18LA177](https://openairdocs.org/ntsb/CEN18LA177.md): Cessna 150M · Sinton, TX · Accident · No injuries · Limited investigation · Final report · Mar 7, 2018 · N66786 · Substantial damage > The inadequate service and repair of the airplane's carburetor, which led to a partial loss of engine power during takeoff and resulted in a forced landing. - [NTSB CEN18LA084](https://openairdocs.org/ntsb/CEN18LA084.md): Beech A36 · Abilene, TX · Accident · Serious injuries · Limited investigation · Final report · Jan 22, 2018 · N3600A · Substantial damage > Maintenance personnel’s improper maintenance of the engine, which resulted in a catastrophic engine failure due the shifting/slipping of the No. 2 bearing and the subsequent oil starvation and total loss of engine power during cruise flight. - [NTSB WPR17LA180](https://openairdocs.org/ntsb/WPR17LA180.md): Lockheed P2V 5F · Pocatello, ID · Accident · No injuries · Limited investigation · Final report · Aug 6, 2017 · N410NA · Substantial damage > Maintenance personnel's failure to secure hardware, which resulted in an uncommanded upward deflection of the left elevator and aft movement of the control yoke and inhibited the flight crew from adjusting the airplane's pitch attitude in flight. Contributing… - [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 ERA17LA130](https://openairdocs.org/ntsb/ERA17LA130.md): Socata TB20 · Melbourne, FL · Accident · No injuries · Limited investigation · Final report · Feb 25, 2017 · N2519T · Substantial damage > Improper installation of the circlip within the nose gear strut, which resulted in the strut overextending in the wheel well and preventing the nose landing gear from extending during landing. - [NTSB ERA17CA068](https://openairdocs.org/ntsb/ERA17CA068.md): Beech A36 · New Smyrna Beach, FL · Accident · Minor injuries · Data collection · Final report · Dec 12, 2016 · N776WM · Substantial damage > The pilot's inappropriate response to an emergency exit window opening in flight, which resulted in a loss of control, precautionary off-airport landing, and subsequent impact with trees. Contributing to the accident was the pilot's improper repair of the… - [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 WPR17LA014](https://openairdocs.org/ntsb/WPR17LA014.md): Aerospatiale AS350 · Starbuck, WA · Accident · No injuries · Limited investigation · Final report · Oct 28, 2016 · N369BD · Substantial damage > A total loss of engine power due to fuel exhaustion, which resulted from the pilot’s reliance on the fuel gauge that was displaying an incorrect fuel amount due to the separation of the fuel transmitter float pin guide from the float. - [NTSB CEN16LA374](https://openairdocs.org/ntsb/CEN16LA374.md): Piper PA-28R-201 · Bowling Green, OH · Accident · No injuries · Limited investigation · Final report · Sep 13, 2016 · N786BG · Substantial damage > The pilots’ failure to complete the Emergency Landing Gear Extension checklist and maintenance personnel’s failure to correctly repair spliced wires on the left main landing gear down limit switch, which prevented the pilots from knowing whether the gear was… - [NTSB CEN16LA296](https://openairdocs.org/ntsb/CEN16LA296.md): Ryan Navion B · Manitowoc, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 2016 · N5294K · Substantial damage > A leak in the gascolator due to degraded rubber gaskets, which allowed air to enter the fuel system and resulted in fuel starvation and a total loss of engine power during takeoff. - [NTSB ERA16LA268](https://openairdocs.org/ntsb/ERA16LA268.md): Frank Ware Velocity TXL · Sebastian, FL · Accident · No injuries · Limited investigation · Final report · Jul 23, 2016 · N916TC · Substantial damage > The total loss of engine power due to maintenance personnel’s improper setting of the aneroid adjustment. - [NTSB ERA16LA202](https://openairdocs.org/ntsb/ERA16LA202.md): Bell 407 · Mountain City, TN · Accident · Minor injuries · Limited investigation · Final report · Jun 3, 2016 · N4999 · Substantial damage > An incorrect and unapproved repair of the engine compressor diffuser performed by a machinist at a repair facility, which resulted in failure of the compressor diffuser aft plate and a partial loss of engine power. - [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. Next page: https://openairdocs.org/ntsb-findings/02062015/cases.md?page=2 ## 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", '02062015')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-findings/02062015/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.