# NTSB investigations: Electrical power system 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 4 · 184 cases ## Latest cases - [NTSB WPR26LA343](https://openairdocs.org/ntsb/WPR26LA343.md): Aerovodochody L-29 Delfin · Roswell, NM · Accident · No injuries · Class 4 · Limited · Final report · Sep 12, 2026 · N29AD · Substantial damage > The malfunction of a diode in the airplanes electrical system that resulted in low batter power and subsequent landing gear collapse. - [NTSB ERA26LA191](https://openairdocs.org/ntsb/ERA26LA191.md): Beech F33A · Sanford, NC · Accident · No injuries · Class 4 · Limited · Final report · Apr 24, 2026 · N85WM · Substantial damage > A loss of electrical power as a result of broken stator leads within the alternator, which resulted in the pilot’s inability to extend the airplane’s landing gear. - [NTSB CEN25LA401](https://openairdocs.org/ntsb/CEN25LA401.md): CubCrafters CCK-2000 · Thompsonville, MI · Accident · No injuries · Class 3 · Limited · Final report · Sep 7, 2025 · N40DT · Substantial damage > A total loss of engine power due to a lack of ignition resulting from a fractured alternator ring terminal and the builder’s incorrect installation of the wire connecting to the alternator. Contributing to the total loss of engine power was the failure of the… - [NTSB CEN25LA201](https://openairdocs.org/ntsb/CEN25LA201.md): Lancair 235 · Pawhuska, OK · Accident · No injuries · Class 4 · Limited · Final report · Jun 7, 2025 · N25DB · Substantial damage > The pilot’s failure to properly configure the airplane for landing. - [NTSB CEN25LA079](https://openairdocs.org/ntsb/CEN25LA079.md): Piper PA-24-250 · Tyler, TX · Accident · No injuries · Class 3 · Limited · Final report · Jan 15, 2025 · N8051P · Substantial damage > An electrical system surge for a reason that could not be determined that resulted in an overvoltage event, internal damage to electronics equipment, smoke in the cockpit, and a gear up landing. - [NTSB CEN25LA059](https://openairdocs.org/ntsb/CEN25LA059.md): Cessna 182T · Pearland, TX · Accident · No injuries · Class 3 · Limited · Final report · Dec 11, 2024 · N127SL · 2 aircraft · Substantial damage > The AA-5 pilot’s failure to maintain separation from the 182T during approach and landing, which resulted in a ground collision during the landing roll. Contributing to the accident was the failure of the AA-5’s electrical system, which prevented the AA-5… - [NTSB CEN24LA366](https://openairdocs.org/ntsb/CEN24LA366.md): Cessna 172M · Ackerman, MS · Accident · No injuries · Class 3 · Limited · Final report · Sep 20, 2024 · N73154 · Substantial damage > The excessive airplane speed during a no-flap landing, and the pilot’s failure to attain a proper touchdown point, which resulted in a runway overrun. Contributing to the accident was the interference of the instrument panel wiring with the flight control… - [NTSB CEN24LA308](https://openairdocs.org/ntsb/CEN24LA308.md): Cirrus Design SR22T · Tulsa, OK · Incident · No injuries · Class 3 · Limited · Final report · Aug 3, 2024 · N825JC · Substantial damage > The mechanic’s improper installation of the alternator wiring connections, which resulted in electrical arcing and thermal damage to the airplane. - [NTSB ERA24LA337](https://openairdocs.org/ntsb/ERA24LA337.md): Piper PA-32R-301T · North Myrtle Beach, SC · Accident · No injuries · Class 4 · Limited · Final report · Jul 30, 2024 · N5343C · Substantial damage > The pilot’s failure to use the emergency landing gear extension system, resulting in a gear-up landing. Contributing to the accident was an alternator belt failure. - [NTSB ERA24LA228](https://openairdocs.org/ntsb/ERA24LA228.md): Schleicher ASH 31 MI · Winter Haven, FL · Accident · Serious injuries · Class 3 · Limited · Final report · May 25, 2024 · N20SW · Substantial damage > The pilot’s failure to ensure that a suitable landing area was available in case the restart of the motor glider’s engine was unsuccessful. Contributing, was insufficient battery charge to extend the motor glider’s pylon assembly. - [NTSB WPR24LA157](https://openairdocs.org/ntsb/WPR24LA157.md): Cessna P210 · Daggett, CA · Accident · No injuries · Class 3 · Limited · Final report · May 16, 2024 · N4769K · Substantial damage > The pilot’s failure to detect the tripped alternator circuit breaker in flight, which resulted in a drained battery that prevented the landing gear from fully extending to the down-and-locked position. Contributing to the accident was the improperly installed… - [NTSB CEN24LA185](https://openairdocs.org/ntsb/CEN24LA185.md): Titan T51 · Novi, MI · Accident · Serious injuries · Class 3 · Limited · Final report · May 12, 2024 · N260Y · Substantial damage > A failure of the electrical system, resulting in a loss of fuel injection and subsequent loss of engine power. - [NTSB ERA24LA194](https://openairdocs.org/ntsb/ERA24LA194.md): Mooney M20E · Hornell, NY · Accident · No injuries · Class 4 · Limited · Final report · Apr 26, 2024 · N5632Q · Substantial damage > A cabin fire as a result of a damaged lithium-ion battery pack. - [NTSB ERA24LA214](https://openairdocs.org/ntsb/ERA24LA214.md): Beech 95B55 · St. Augustine, FL · Accident · No injuries · Class 3 · Limited · Final report · Apr 1, 2024 · N7371R · Substantial damage > The incomplete extension of the landing gear into the down-and-locked position for reasons that could not be determined.. - [NTSB WPR24LA109](https://openairdocs.org/ntsb/WPR24LA109.md): Raytheon B200 · Billings, MT · Accident · No injuries · Class 3 · Limited · Final report · Mar 12, 2024 · N299AV · Substantial damage > The pilot's improper engine start, resulting in the engine starters remaining engaged and the generators not being activated, which led to the discharge of the airplane’s battery and subsequent total electrical failure after takeoff. Contributing to the… - [NTSB WPR24LA081](https://openairdocs.org/ntsb/WPR24LA081.md): Christopher Randall Raptor Junior 540 · Camarillo, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 30, 2024 · N906CR · Substantial damage > A total loss of engine power due to the loss of power to the electronic fuel injection and ignition system, which was the result of a loose connection between a common ground feed-through stud and the ground bus. - [NTSB CEN24LA060](https://openairdocs.org/ntsb/CEN24LA060.md): Piper PA-24-260 · Anthony, KS · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 12, 2023 · N8729P · Substantial damage > A failure of the airplane’s alternator, which resulted in a loss of electrical power, and the pilot’s failure to use the emergency gear extension procedure during the initial landing approach, which led to a gear-up landing. - [NTSB CEN24LA056](https://openairdocs.org/ntsb/CEN24LA056.md): Vans RV6 · Fordyce, AR · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 5, 2023 · N600VS · Substantial damage > The pilot’s failure to attain a proper touchdown point following an unidentified electrical system failure and subsequent partial loss of engine power, which resulted in a runway overrun and impact with terrain. Contributing to the accident was the pilot’s… - [NTSB WPR24LA031](https://openairdocs.org/ntsb/WPR24LA031.md): Amazon.Com Services MK27-2 · Pendleton, OR · Accident · No injuries · Class 4 · Limited · Final report · Nov 10, 2023 · N692PA · Substantial damage > The operator’s use of an insufficiently charged battery that resulted in a total loss of engine power and subsequent impact with terrain. - [NTSB CEN23LA402](https://openairdocs.org/ntsb/CEN23LA402.md): Vans RV14 · Orchard, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 4, 2023 · N14NP · Substantial damage > The failure of an alternator belt and the builder/previous owner’s incorrect electrical wiring of the airplane’s other alternator, which resulted in a total loss of electrical and engine power. - [NTSB CEN23LA390](https://openairdocs.org/ntsb/CEN23LA390.md): Zlin Aviation S R O Savage Norden · Cabot, AR · Accident · No injuries · Class 3 · Limited · Final report · Aug 30, 2023 · N7373 · Substantial damage > The airplane manufacturer’s routing of the fuel pump wiring next to the engine’s turbocharger and exhaust, which thermally damaged the wiring and resulted in a malfunction of the fuel delivery system and a total loss of engine power. - [NTSB WPR23LA321](https://openairdocs.org/ntsb/WPR23LA321.md): Cessna T210M · Napa, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 21, 2023 · N6535B · Substantial damage > Insufficient hydraulic pressure to the landing gear system following the completion of the emergency gear extension checklist, which resulted in the main landing gear collapsing during landing. Contributing to the accident was a loss of electrical power for… - [NTSB ENG23LA033](https://openairdocs.org/ntsb/ENG23LA033.md): Airbus A320 · Jacksonville, FL · Incident · No injuries · Class 3 · Limited · Final report · Aug 3, 2023 · N649JB · No damage > The loss of both Integrated Drive Generators (IDG) due to worn fixed cylinder block bores, which caused the IDGs to be tripped offline and caused the airplane to enter an emergency electrical configuration. - [NTSB ERA23LA320](https://openairdocs.org/ntsb/ERA23LA320.md): Mesnard Velocity Twin · Sandersville, GA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 1, 2023 · N106VT · Substantial damage > A total loss of power in the right engine due to the right ECU injector wires being severed by the main landing gear actuator piston teeter bar as a result of a lack of clearance and protection of the wiring bundle. - [NTSB ERA23LA347](https://openairdocs.org/ntsb/ERA23LA347.md): Piper PA28 · Knoxville, TN · Accident · No injuries · Class 3 · Limited · Final report · Jul 27, 2023 · N15417 · Substantial damage > An in-flight fire that resulted from an inadequate 100-hr inspection, which failed to detect and correct improper electrical cable routing in the engine compartment. - [NTSB CEN23LA135](https://openairdocs.org/ntsb/CEN23LA135.md): Bell Helicopter Textron APT70 · Mineral Wells, TX · Accident · No injuries · Class 3 · Limited · Final report · Mar 14, 2023 · N314AL · Substantial damage > The flight crew’s loss of control of the unmanned aircraft due to software limitations. Contributing to the accident was the overly restrictive low voltage threshold limits. - [NTSB ERA23FA137](https://openairdocs.org/ntsb/ERA23FA137.md): Piper PA-28-161 · Lindenhurst, NY · Accident · 1 fatal · Class 3 · Field · Final report · Mar 5, 2023 · N8149R · Destroyed > An in-flight fire due to a compromised oil pressure line fitting, which resulted in a collision with terrain during a subsequent emergency landing. - [NTSB DCA23LA191](https://openairdocs.org/ntsb/DCA23LA191.md): Embraer ERJ 190-100 IGW · New York, NY · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 25, 2023 · N337JB · No damage > Electrical sparking caused by a faulty connection between the aircraft and ground power unit resulting in a serious injury to a ground service agent. - [NTSB ERA23LA065](https://openairdocs.org/ntsb/ERA23LA065.md): Piper PA-28-181 · Manassas, VA · Accident · No injuries · Class 3 · Limited · Final report · Nov 18, 2022 · N8129M · Substantial damage > An engine fire caused by chafing and subsequent electrical arcing of the alternator wire near a fuel source. - [NTSB ERA23LA064](https://openairdocs.org/ntsb/ERA23LA064.md): Beech 95-B55 (T42A) · Athens, GA · Accident · No injuries · Class 3 · Limited · Final report · Nov 3, 2022 · N101DC · Substantial damage > The operator’s and the pilot’s continued operation of the airplane with a known electrical problem, resulting in a loss of electrical power and a gear-up landing. - [NTSB ERA23FA023](https://openairdocs.org/ntsb/ERA23FA023.md): Peryera Adventura II · Miramar, FL · Accident · 2 fatal · Class 3 · Field · Final report · Oct 17, 2022 · N32856 · Substantial damage > The pilot’s failure to remove the ECU select switch per the manufacturer’s service bulletin, which resulted in a loss of engine power. - [NTSB CEN23LA014](https://openairdocs.org/ntsb/CEN23LA014.md): Diamond Aircraft Ind DA 62 · Dallas, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 15, 2022 · N84LT · Substantial damage > A total loss of airplane electrical power for undetermined reasons, which resulted in a complete loss of engine power to both engines. Contributing was the worn main battery and the incorrectly wired ECU backup batteries. - [NTSB CEN22LA430](https://openairdocs.org/ntsb/CEN22LA430.md): Agusta AW139 · Houma, LA · Accident · No injuries · Class 3 · Limited · Final report · Sep 24, 2022 · N811TA · Substantial damage > The inflight loss of collective control of the helicopter due to thermal damage of a collective control torque tube that abraded with misrouted electrical wiring, which resulted in an electrical short and inflight fire. Contributing to the accident were the… - [NTSB WPR22LA322](https://openairdocs.org/ntsb/WPR22LA322.md): Ray E Roberts Kitfox V Vixen · Caldwell, ID · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 26, 2022 · N52367 · Substantial damage > The partial loss of engine power due to a loose wire leading to the engine’s electronic control unit (ECU). Contributing was the pilot’s exceedance of the critical angle of attack while maneuvering, which resulted in an aerodynamic stall at an altitude too… - [NTSB WPR22LA233](https://openairdocs.org/ntsb/WPR22LA233.md): GMK Ventures AL18 · Moab, UT · Accident · No injuries · Class 4 · Limited · Final report · Jun 27, 2022 · N17GK · Substantial damage > The pilot’s failure to maintain directional control during a landing attempt, which resulted in a ground loop and collision with terrain. Contributing to the accident was the absence of an airspeed indicator due to an alternator failure. - [NTSB WPR22LA190](https://openairdocs.org/ntsb/WPR22LA190.md): Co-Z Development Cozy Mark IV · Page, AZ · Accident · No injuries · Class 4 · Limited · Final report · May 25, 2022 · N44CZ · Substantial damage > The failure to install the correct fuse in the landing gear circuit. - [NTSB ERA22LA155](https://openairdocs.org/ntsb/ERA22LA155.md): Aircraft Designs Stallion · Ridgeland, SC · Accident · No injuries · Class 3 · Limited · Final report · Mar 13, 2022 · N262KT · Substantial damage > A loss of sufficient electrical power to the engine’s electronic fuel injection/ignition system for undetermined reasons, which resulted in a total loss of engine power. - [NTSB CEN22LA072](https://openairdocs.org/ntsb/CEN22LA072.md): American Legend AL18 · Abbeville, LA · Accident · No injuries · Class 4 · Limited · Final report · Dec 12, 2021 · N1477D · Destroyed > An electrical fire for reasons that could not be determined. - [NTSB WPR22LA063](https://openairdocs.org/ntsb/WPR22LA063.md): Beech 200 · Eugene, OR · Accident · No injuries · Class 4 · Limited · Final report · Nov 28, 2021 · N71VT · Substantial damage > The pilot’s improper checklist use, which resulted in an electrical malfunction and subsequent gear up landing. - [NTSB ANC22LA007](https://openairdocs.org/ntsb/ANC22LA007.md): Cessna 207A · Bethel, AK · Accident · No injuries · Class 3 · Limited · Final report · Nov 21, 2021 · N9794M · Substantial damage > The improper installation of an avionics wire harness over a fuel line, which resulted in chafing of the wire harness, arcing, and a subsequent fire. - [NTSB WPR22FA021](https://openairdocs.org/ntsb/WPR22FA021.md): Cessna 150L · Dunsmuir, CA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 20, 2021 · N5268Q · Substantial damage > The non-certificated pilot’s improper decision to continue the flight under visual flight rules into instrument meteorological conditions which resulted in controlled flight into terrain. - [NTSB WPR21LA294](https://openairdocs.org/ntsb/WPR21LA294.md): Kuykendall Charles Lancair IV · Indian Springs, NV · Accident · No injuries · Class 3 · Limited · Final report · Jul 28, 2021 · N26PD · Destroyed > An in-flight fire due to an undetermined electrical malfunction. - [NTSB CEN21LA373](https://openairdocs.org/ntsb/CEN21LA373.md): Mooney M20F · New Albany, MS · Accident · No injuries · Class 4 · Limited · Final report · Jul 22, 2021 · N6474Q · Substantial damage > The pilot’s delayed decision to abort the landing that resulted in a collision with a fence post. Contributing to the accident was the failure of the alternator drive belt during cruise flight for unknown reasons and the subsequent inoperative electrical… - [NTSB WPR21LA269](https://openairdocs.org/ntsb/WPR21LA269.md): Cessna 172R · Petaluma, CA · Accident · No injuries · Class 4 · Limited · Final report · Jul 10, 2021 · N996RA · Substantial damage > The pilot’s improper landing flare which resulted in a hard landing following a partial loss of electrical power. Contributing to the accident was the pilot’s distraction and hampered visual function. - [NTSB ERA21LA159](https://openairdocs.org/ntsb/ERA21LA159.md): Cessna 210 · Marianna, FL · Accident · No injuries · Class 4 · Limited · Final report · Mar 18, 2021 · N7736K · Substantial damage > The failure of the alternator control unit housing plug connection, which resulted in insufficient battery power to fully extend the landing gear. Contributing to the accident was the pilot’s decision to not use the emergency gear extension handle to secure… - [NTSB CEN21LA065](https://openairdocs.org/ntsb/CEN21LA065.md): Piper PA32R · Canon City, CO · Accident · No injuries · Class 3 · Limited · Final report · Nov 20, 2020 · N4187H · Substantial damage > The failure of the alternator drive belt, which resulted in insufficient electrical power to extend the landing gear and a subsequent gear-up landing.. - [NTSB CEN20LA412](https://openairdocs.org/ntsb/CEN20LA412.md): Zenith CH 750 · Montrose, MO · Accident · No injuries · Class 3 · Limited · Final report · Sep 20, 2020 · N210WP · Substantial damage > A total loss of engine power due to an electrical overload in the engine control unit wiring system; the electrical overload occurred as a result of improper installation by the airplane builder. - [NTSB CEN20LA262](https://openairdocs.org/ntsb/CEN20LA262.md): Beech F35 · Ravenna, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 5, 2020 · N4219B · Substantial damage > Electrical and engine problems for reasons that could not be determined based on available evidence. - [NTSB CEN20LA179](https://openairdocs.org/ntsb/CEN20LA179.md): Cessna P210 · Burlington, WI · Accident · 1 fatal · Class 3 · Limited · Final report · May 15, 2020 · N1JA · Substantial damage > The pilot did not maintain a safe altitude during the visual approach, and subsequently lost control which resulted an impact with trees and terrain. - [NTSB ENG20LA016](https://openairdocs.org/ntsb/ENG20LA016.md): Airbus A319 · Sacramento, CA · Incident · No injuries · Class 3 · Limited · Final report · Feb 15, 2020 · N521NK · No damage > A worn component within each engine integrated drive generator (IDG) resulted in the loss of electrical power supplied to several flight deck displays and systems while on approach to landing. The component, a fixed cylinder block, had significant wearing of… Next page: https://openairdocs.org/ntsb-findings/010224/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", '010224')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-findings/010224/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.