# NTSB investigations: Electrical system malf/failure 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 3 · 118 cases ## Latest cases - [NTSB DCA26WA192](https://openairdocs.org/ntsb/DCA26WA192.md): Boeing 777 · London, United Kingdom · Incident · Class 5 · Foreign · Apr 26, 2026 · G-YYMD · No damage - [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 ENG26LA019](https://openairdocs.org/ntsb/ENG26LA019.md): Airbus A321 · Baltimore, MD · Incident · Class 4 · Limited · Investigation open · Mar 5, 2026 · N556UW - [NTSB ENG26LA018](https://openairdocs.org/ntsb/ENG26LA018.md): Airbus A319 · Charlotte, NC · Incident · Class 4 · Limited · Investigation open · Feb 11, 2026 · N9010R - [NTSB DCA26WA072](https://openairdocs.org/ntsb/DCA26WA072.md): Boeing 727 · Bogotá, Colombia · Incident · No injuries · Class 5 · Foreign · Dec 6, 2025 · HK5216 · No damage - [NTSB CEN25LA309](https://openairdocs.org/ntsb/CEN25LA309.md): Vans RV4 · Elgin, IL · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 7, 2025 · N595BS · Substantial damage > On August 6, 2025, about 1925 central daylight time, a Vans RV4 airplane, N595BS, was substantially damaged when it was involved in an accident near Elgin, Illinois. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code of… - [NTSB ERA25LA199](https://openairdocs.org/ntsb/ERA25LA199.md): Cessna 182A · Ocala, FL · Accident · Serious injuries · Class 4 · Limited · Final report · May 8, 2025 · N174A · Substantial damage > The pilot’s decision to depart on the flight with known electrical issues and his subsequent loss of situational awareness (geographic position), which resulted in his eventual decision to perform an off-airport landing. - [NTSB WPR25LA111](https://openairdocs.org/ntsb/WPR25LA111.md): Cessna P210N · Roswell, NM · Accident · No injuries · Class 3 · Limited · Preliminary report · Mar 11, 2025 · N711HE · Substantial damage > On March 11, 2025, at 1340 mountain daylight time, a Cessna P210N, N711HE, was substantially damaged when it was involved in an accident near Roswell, New Mexico. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code of… - [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 ENG25WA036](https://openairdocs.org/ntsb/ENG25WA036.md): ATR ATR72 · La Villiaze, Guernsey, United Kingdom · Incident · Class 5 · Foreign · Jan 10, 2025 · G-ISLM · No damage - [NTSB DCA24WA310](https://openairdocs.org/ntsb/DCA24WA310.md): Mcdonnell Douglas MD83 · Nueva Esparta, Venezuela · Incident · Class 5 · Foreign · Sep 20, 2024 · YV647T · No damage - [NTSB DCA24WA260](https://openairdocs.org/ntsb/DCA24WA260.md): Boeing 767-322 · Geneva, Switzerland · Incident · Class 4 · Foreign · Aug 10, 2024 · N659UA · No damage - [NTSB WPR24LA265](https://openairdocs.org/ntsb/WPR24LA265.md): Bell 407 · Raft River, ID · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 3, 2024 · N20BH · Substantial damage > The pilot’s misdiagnosis of an erroneous engine instrument indication and his subsequent decision to enter an autorotation, which resulted in a hard landing due to degraded visual cues and low ambient light conditions. Contributing to the accident were the… - [NTSB WPR24LA230](https://openairdocs.org/ntsb/WPR24LA230.md): Cessna P210N · Reno, NV · Accident · No injuries · Class 3 · Limited · Final report · Jun 13, 2024 · N36RW · Substantial damage > A loss of electrical power for undetermined reasons, which resulted in a partial extension of the landing gear and subsequent landing gear collapse during landing. Contributing to the accident was fuel starvation that resulted in a total loss of engine power. - [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 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 DCA24WA093](https://openairdocs.org/ntsb/DCA24WA093.md): Boeing 747-400 · Schiphol, Netherlands · Incident · No injuries · Class 5 · Foreign · Feb 8, 2024 · G-ONEE · No damage - [NTSB GAA24WA092](https://openairdocs.org/ntsb/GAA24WA092.md): Cessna 560 · Tripoli, Libya · Accident · Minor injuries · Class 5 · Foreign · Jan 27, 2024 · 5A-DRK · Minor damage - [NTSB ENG24WA010](https://openairdocs.org/ntsb/ENG24WA010.md): Airbus A321 · Kobenhavn, Denmark · Incident · No injuries · Class 5 · Foreign · Dec 20, 2023 · SE-DMS · No damage - [NTSB ENG24LA009](https://openairdocs.org/ntsb/ENG24LA009.md): Airbus A319 · Schiphol, Netherlands · Incident · Class 3 · Limited · Preliminary report · Nov 10, 2023 · D-AIBG · No damage > On November 10, 2023 at 0713 UTC, a Lufthansa Airbus A319, registration D-AIBG, experienced the loss of both electrical generators during approach to Amsterdam Airport Schiphol, Netherlands. The airplane’s ram air turbine deployed automatically. The airplane… - [NTSB DCA24WA014](https://openairdocs.org/ntsb/DCA24WA014.md): Boeing 737 · Belfast, United Kingdom · Incident · No injuries · Class 5 · Foreign · Oct 18, 2023 · G-JMCZ - [NTSB ENG23WA042](https://openairdocs.org/ntsb/ENG23WA042.md): Airbus A320 · Enroute Bogota - Barranquilla, Colombia · Incident · No injuries · Class 5 · Foreign · Sep 13, 2023 · N740AV · No damage - [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 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 DCA23WA216](https://openairdocs.org/ntsb/DCA23WA216.md): Douglas DC8 · Maiquetía, Venezuela · Incident · No injuries · Class 5 · Foreign · Mar 21, 2023 · OB-2231-P · No damage - [NTSB ENG23WA020](https://openairdocs.org/ntsb/ENG23WA020.md): ATR ATR72 · Fa'a'a, French Polynesia · Incident · Class 5 · Foreign · Feb 12, 2023 · F-HGNU · No damage - [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 GAA23WA027](https://openairdocs.org/ntsb/GAA23WA027.md): Leonardo AW109 · Gien, France · Accident · Class 5 · Foreign · Nov 1, 2022 · G-RAYN · Substantial damage - [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 DCA23WA019](https://openairdocs.org/ntsb/DCA23WA019.md): Boeing 787-9 · Keflavík, Iceland · Incident · Class 5 · Foreign · Oct 14, 2022 · N823AN · Minor damage - [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 ENG22WA046](https://openairdocs.org/ntsb/ENG22WA046.md): ATR ATR72 · Vicinity of Sárvár, Hungary · Occurrence · Class 5 · Foreign · Sep 23, 2022 · YU-ALY · No damage - [NTSB ENG22WA045](https://openairdocs.org/ntsb/ENG22WA045.md): ATR ATR72 · Belfast, United Kingdom · Incident · No injuries · Class 5 · Foreign · Sep 19, 2022 · EI-GPN · No damage - [NTSB ENG22WA041](https://openairdocs.org/ntsb/ENG22WA041.md): ATR ATR42 · Eberdeen, United Kingdom · Incident · Class 5 · Foreign · Aug 27, 2022 · G-LMRC · No damage - [NTSB DCA22WA145](https://openairdocs.org/ntsb/DCA22WA145.md): Believer CASA-16XFFM · Thorpdale, Australia · Accident · Class 5 · Foreign · Jun 29, 2022 · UNREG · Destroyed - [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 GAA21WA205](https://openairdocs.org/ntsb/GAA21WA205.md): Beech 95 55 · Churchdown, United Kingdom · Accident · No injuries · Class 5 · Foreign · Aug 13, 2021 · 2-NOVA · Substantial damage - [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 GAA21WA188](https://openairdocs.org/ntsb/GAA21WA188.md): MD Helicopter MD900 · London, United Kingdom · Incident · No injuries · Class 5 · Foreign · Jul 25, 2021 · G-LNDN · No damage - [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 GAA21WA193](https://openairdocs.org/ntsb/GAA21WA193.md): Sikorsky S92 · South Havra, United Kingdom · Accident · Class 5 · Foreign · Jul 15, 2021 · G-MCGI - [NTSB GAA21WA079](https://openairdocs.org/ntsb/GAA21WA079.md): Piper PA28 · Roskilde, Denmark · Accident · No injuries · Class 5 · Foreign · Apr 8, 2021 · OY-JEC · Minor damage - [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 DCA27WA007](https://openairdocs.org/ntsb/DCA27WA007.md): Fairchild SA227-AC · Gyor, Hungary · Incident · No injuries · Class 5 · Foreign · Sep 13, 2020 · EC-NIP - [NTSB ENG20WA038](https://openairdocs.org/ntsb/ENG20WA038.md): Piper PA28RT · Basel, Switzerland · Accident · No injuries · Class 5 · Foreign · Jul 23, 2020 · HB-PNP · Destroyed - [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 ENG20WA042](https://openairdocs.org/ntsb/ENG20WA042.md): ATR ATR72 · Ambon, Indonesia · Incident · No injuries · Foreign investigation · Jul 3, 2020 · PK-WHY · No damage > The National Transportation Safety Committee of Indonesia (KNKT) has notified the NTSB of an incident involving an ATR 72-600, which occurred on July 3, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the KNKT investigation under the… Next page: https://openairdocs.org/ntsb-events/332/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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '332') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-events/332/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.