# 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 2 of 3 · 118 cases ## Cases, newest first - [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… - [NTSB ENG20WA019](https://openairdocs.org/ntsb/ENG20WA019.md): Embraer ERJ190 · New Chitose Airport (RJCC), Japan · Incident · No injuries · Class 5 · Foreign · Dec 23, 2019 · B-3203 · No damage - [NTSB CEN20WA080](https://openairdocs.org/ntsb/CEN20WA080.md): Beech 95-B55 · Malmo, Sweden · Accident · No injuries · Foreign investigation · Nov 17, 2019 · SE-LUX · Substantial damage > The government of Sweden has notified the NTSB of an accident involving a Beech 95-B55 airplane that occurred on November 17, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Sweden's investigation under the provisions… - [NTSB WPR19LA261](https://openairdocs.org/ntsb/WPR19LA261.md): Havoc Air Racing Super GT 111 · Reno, NV · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 9, 2019 · N400MC · Substantial damage > The failure of the landing gear to extend for reasons that could not be determined. - [NTSB ERA19LA253](https://openairdocs.org/ntsb/ERA19LA253.md): Velocity XL-5 · St. Cloud, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 21, 2019 · N735D · Substantial damage > The pilot’s failure to properly secure the airplane electrical system’s positive/negative leads to the 24v battery, which resulted in a total loss of electrical and engine power in flight. - [NTSB WPR19LA201](https://openairdocs.org/ntsb/WPR19LA201.md): Cessna R182 · King City, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 21, 2019 · N3268C · Substantial damage > A landing gear collapse following an undetermined loss of electrical power, which prevented the landing gear from fully extending. - [NTSB ANC19LA036](https://openairdocs.org/ntsb/ANC19LA036.md): Stoddard Hamilton Glasair II · Chattanooga, TN · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 17, 2019 · C-GAFT · Substantial damage > The pilot's failure to switch to the secondary electrical system after the primary electrical system failed for unknown reasons. - [NTSB CEN19LA226](https://openairdocs.org/ntsb/CEN19LA226.md): Cashen Super Acro Sport · Detroit Lakes, MN · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 16, 2019 · N61SC · Substantial damage > An open circuit in the engine's electrical switch box, which resulted in a partial loss of engine power and subsequent forced landing. - [NTSB DCA19WA160](https://openairdocs.org/ntsb/DCA19WA160.md): Boeing 737 · Brussels, Belgium · Incident · No injuries · Foreign investigation · Jun 4, 2019 · G-JMCR · No damage > The Air Accident Investigation Branch (AAIB) of the United Kingdom has notified the NTSB of a serious incident involving a BOEING 737 airplane that occurred on June 04, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB's… - [NTSB CEN19LA147](https://openairdocs.org/ntsb/CEN19LA147.md): Cessna P210 · Yankeetown, FL · Accident · Minor injuries · Class 3 · Limited · Final report · May 17, 2019 · N4861P · Substantial damage > A loss of engine power for reasons that could not be determined based on the available evidence. - [NTSB ERA19LA177](https://openairdocs.org/ntsb/ERA19LA177.md): Zenith CH750 · Savannah, TN · Accident · No injuries · Class 3 · Limited · Final report · May 16, 2019 · N750GZ · Substantial damage > The total loss of engine power due to a loss of all electrical power. Contributing to the accident was the inaccessible placement of the alternator circuit breaker and the construction of the airplane without a backup electrical source. - [NTSB DCA19WA150](https://openairdocs.org/ntsb/DCA19WA150.md): Airbus A330 · Derby, Australia · Incident · No injuries · Foreign investigation · May 13, 2019 · unknown · No damage > The Australian Transport Safety Bureau (ATSB) has notified the NTSB of a serious incident involving a AIRBUS A330 airplane that occurred on May 13, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Australia's… - [NTSB CEN19FA119](https://openairdocs.org/ntsb/CEN19FA119.md): Rockwell International NA-265-65 · New Albany, MS · Accident · 3 fatal · Class 2 · Field · Final report · Apr 13, 2019 · N265DS · Destroyed > An unidentified electrical system malfunction that led to the pilots losing awareness of the airplane's performance in instrument meteorological conditions and resulted in a loss of control of the airplane. - [NTSB GAA19WA342](https://openairdocs.org/ntsb/GAA19WA342.md): Raytheon B200 · Lausanne-Switzerland, Switzerland · Incident · No injuries · Foreign investigation · Feb 2, 2019 · N7779V · No damage > The government of Switzerland has notified the NTSB of an accident involving a RAYTHEON B200 airplane that occurred on February 02, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Switzerland's investigation under the… - [NTSB DCA19WA049](https://openairdocs.org/ntsb/DCA19WA049.md): Boeing 777 · Belo Horizonte, Brazil · Incident · No injuries · Foreign investigation · Dec 20, 2018 · PT-MUG · Minor damage > The CENIPA of Brazil has notified the NTSB of an incident involving a Boeing 777 airplane that occurred on December 20, 2018. The NTSB has appointed a U.S. Accredited Representative to assist CENIPA's investigation under the provisions of ICAO Annex 13 as… - [NTSB DCA19WA013](https://openairdocs.org/ntsb/DCA19WA013.md): Boeing 737 · East Midlands, United Kingdom · Incident · No injuries · Foreign investigation · Oct 12, 2018 · G-JMCR · No damage > The government of United Kingdom has notified the NTSB of an accident involving a BOEING 737 airplane that occurred on October 12, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the government of United Kingdom's investigation under… - [NTSB CEN18LA345](https://openairdocs.org/ntsb/CEN18LA345.md): Cessna T210 · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Aug 18, 2018 · N6958N · Substantial damage > The pilot's decision to take off with a known electrical problem, which resulted in the loss of electrical power, problem with the landing gear extension system, and subsequent runway excursion. - [NTSB ERA18LA215](https://openairdocs.org/ntsb/ERA18LA215.md): Cessna R182 · Florence, SC · Accident · No injuries · Limited investigation · Final report · Aug 9, 2018 · N1693R · Substantial damage > The pilot's failure to comply with emergency procedures in the pilot's operating handbook, resulting in the collapse of the main landing gear during landing. Contributing to the accident was the pilot's failure to address the low battery voltage before… - [NTSB CEN18LA097](https://openairdocs.org/ntsb/CEN18LA097.md): Piper PA 24-260 · Fargo, ND · Accident · No injuries · Limited investigation · Final report · Feb 8, 2018 · N9360P · Substantial damage > The pilot's failure to use the published emergency procedures to manually extend the landing gear when an electrical failure precluded normal extension of the landing gear, resulting in the gear collapse during landing. Contributing to the accident was the… - [NTSB CEN18LA086](https://openairdocs.org/ntsb/CEN18LA086.md): Swearingen SA227 TT · Houston, TX · Accident · No injuries · Limited investigation · Final report · Jan 19, 2018 · N6UP · Substantial damage > The failure of the left starter relay during engine start, which resulted in a loss of electrical and battery power during the flight and led to a forced landing with the nose landing gear not fully extended, causing substantial damage to the engines. - [NTSB ANC18LA009](https://openairdocs.org/ntsb/ANC18LA009.md): Cessna 172RG · Opa Locka, FL · Accident · No injuries · Limited investigation · Final report · Nov 16, 2017 · N6102R · Substantial damage > A failure of the airplane 's electrical system, which led to the failure of the landing gear system, for reasons that could not be determined because postaccident examination and testing revealed no mechanical anomalies that would have precluded normal… - [NTSB ERA18LA010](https://openairdocs.org/ntsb/ERA18LA010.md): Beech A24 · Manteo, NC · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 18, 2017 · N400LE · Substantial damage > The failure of maintenance personnel to properly secure wiring during an electrical component installation, which resulted in arcing and smoke in the cockpit. Contributing to the outcome was the flight instructor's failure to attain a proper descent rate… - [NTSB CEN17LA313](https://openairdocs.org/ntsb/CEN17LA313.md): Canion Michael W Zodiac 601XL · Grady, AR · Accident · No injuries · Limited investigation · Final report · Jul 20, 2017 · N577M · Substantial damage > The loss of engine power due to a lack of ignition resulting from a broken alternator wire. - [NTSB CEN17WA373](https://openairdocs.org/ntsb/CEN17WA373.md): Cessna Cessna U 206 G · Granville Mont-Saint Michel, France · Accident · No injuries · Foreign investigation · Jul 3, 2017 · F-GAMJ · Substantial damage > On July 3, 2017, a Cessna 206 airplane, F-GAMJ, conducted a forced landing after experiencing an inflight fire in the cabin. The pilot was not injured and the airplane sustained substantial damage during the landing. The accident investigation is under the… - [NTSB CEN17LA121](https://openairdocs.org/ntsb/CEN17LA121.md): Beech C90A · Rattan, OK · Accident · No injuries · Limited investigation · Final report · Feb 14, 2017 · N1551C · Substantial damage > The loss of electrical power due to the pilot’s inadvertent selection of the engine start switches and the subsequent fuel exhaustion to the left engine as the pilot attempted to locate visual meteorological conditions. Contributing to the accident were the… - [NTSB CEN17LA066](https://openairdocs.org/ntsb/CEN17LA066.md): Gosselin Charles Glastar · Lee's Summit, MO · Accident · Serious injuries · Limited investigation · Final report · Dec 31, 2016 · N120CG · Substantial damage > Partial failure of the electric system due to a battery short, which resulted in a total loss of engine power. - [NTSB ANC17LA014](https://openairdocs.org/ntsb/ANC17LA014.md): Piper PA 32R-300 · McGrath, AK · Accident · Serious injuries · Limited investigation · Final report · Nov 21, 2016 · N4352F · Minor damage > The failure of the nose landing gear to extend and lock due to the failure of the alternator and reduced battery power due to the cold ambient temperature, which prohibited the electrically-driven hydraulic pump from supplying adequate hydraulic pressure to… - [NTSB ERA16LA299](https://openairdocs.org/ntsb/ERA16LA299.md): Progressive Aerodyne Searey · Sebring, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 2016 · N801SR · Substantial damage > A disconnected ground wire during initial climb, which degraded the fuel boost pumps’ performance and resulted in a total loss of engine power due to fuel starvation. - [NTSB ERA16FA269](https://openairdocs.org/ntsb/ERA16FA269.md): Yakovlev YAK11 · West Mifflin, PA · Accident · 1 fatal · Field investigation · Final report · Jul 25, 2016 · N5940 · Substantial damage > A malfunction of the electrical system, which resulted in an electrical fire in the right wing root of the airplane, which compromised the fuel system and resulted in ignition of fuel. Contributing to the accident was the routing of the electrical wiring near… - [NTSB WPR16LA127](https://openairdocs.org/ntsb/WPR16LA127.md): Piper PA46 · Seattle, WA · Accident · No injuries · Class 3 · Limited · Final report · Jun 2, 2016 · N301DM · Substantial damage > The pilot’s failure to use the emergency procedures checklist for generator failures or for gear extension following a loss of electrical power due to the separated flag terminal of a diode in overstress, which resulted in a gear-up landing. - [NTSB DCA16WA166](https://openairdocs.org/ntsb/DCA16WA166.md): Embraer ERJ190 · Boston, MA · Incident · No injuries · Foreign investigation · May 25, 2016 · C-FHOS · Minor damage > Transport Safety Board (TSB) of Canada has notified the NTSB of an accident involving a EMBRAER ERJ190 airplane that occurred on May 25, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of Canada's investigation under the… - [NTSB CEN16WA179](https://openairdocs.org/ntsb/CEN16WA179.md): Swearingen SA 226T · Andorra, Lleida, Spain, Spain · Accident · No injuries · Foreign investigation · Apr 26, 2016 · N125WG · Substantial damage > On April 26, 2016, about 1535 hours universal coordinated time, a Swearingen SA-226T airplane, United States registration N125WG, was substantially damaged during landing at the Andorra – La Seu d'Urgell Airport (LESU); Andorra, Lleida, Spain. The airplane… - [NTSB CEN16WA150](https://openairdocs.org/ntsb/CEN16WA150.md): Robinson R22 Beta · Bern, Switzerland · Incident · No injuries · Foreign investigation · Apr 6, 2016 · HB-ZGO · Minor damage > On April 6, 2016, about 1330 Universal Coordinated Time (UTC), the crew of a Robinson R22 BETA, Swiss registration HB-ZGO, made a precautionary landing at Bern Airport (LSZB), Bern, Switzerland, after they smelled smoke. They noted the alternator had failed… - [NTSB ERA16LA135](https://openairdocs.org/ntsb/ERA16LA135.md): Cessna 210L · Myrtle Beach, SC · Accident · No injuries · Limited investigation · Final report · Mar 19, 2016 · N59196 · Substantial damage > A complete loss of electrical power, which resulted from the separation of an alternator wire due to corrosion. Contributing to the accident was the failure of the emergency landing gear extension system due to a lack of hydraulic fluid, which resulted in… - [NTSB ERA15LA333](https://openairdocs.org/ntsb/ERA15LA333.md): Beech E 90 · Fayetteville, TN · Accident · No injuries · Limited investigation · Final report · Aug 28, 2015 · N891PC · Substantial damage > A total loss of electrical power for reasons that could not be determined and the pilot's subsequent failure to properly follow the manual landing gear extension procedures, which resulted in the landing gear not extending. - [NTSB ERA15LA323](https://openairdocs.org/ntsb/ERA15LA323.md): Cessna 150 · Dorado, PR · Accident · Serious injuries · Limited investigation · Final report · Aug 22, 2015 · N4057V · Substantial damage > A short circuit of unknown origin, which resulted in electrical arcing in the engine compartment and smoke in the cockpit, which necessitated a precautionary landing to a field. - [NTSB CEN15LA369](https://openairdocs.org/ntsb/CEN15LA369.md): Cessna 182P · Bolivar, MO · Accident · Minor injuries · Limited investigation · Final report · Aug 18, 2015 · N6KW · Substantial damage > Total electrical failure due to a failed voltage regulator and the pilot’s failure to maintain a proper airspeed during a precautionary landing, which resulted in a loss of directional control and a runway excursion. - [NTSB WPR15LA165](https://openairdocs.org/ntsb/WPR15LA165.md): Raytheon B200 · Carlsbad, CA · Accident · No injuries · Limited investigation · Final report · May 16, 2015 · N505SP · Substantial damage > The pilot’s inadvertently turning on the starter switches, which turned off the generators and resulted in a loss of electrical power and gear-up landing. Contributing to the accident was the pilot’s failure to follow the emergency procedures for a loss of… - [NTSB ERA15IA198](https://openairdocs.org/ntsb/ERA15IA198.md): Dassault-Breguet Mystere Falcon 900 · Orlando, FL · Incident · No injuries · Class 2 · Incident · Final report · Apr 16, 2015 · N610RL · Minor damage > Unknown maintenance personnel’s inadequate securing of a wiring bundle during a maintenance, repair, or modification event, which led to chafing of the wiring bundle, an electrical short and arcing, and a subsequent in-flight fire. - [NTSB DCA14CA043](https://openairdocs.org/ntsb/DCA14CA043.md): General Atomics MQ-9 · Point Loma, CA · Accident · No injuries · Data collection · Final report · Jan 27, 2014 · CBP-159 · Destroyed > intentional controlled ditching of the aircraft due to failure of the starter/generator supplying electrical power to the aircraft. - [NTSB DCA13WA169](https://openairdocs.org/ntsb/DCA13WA169.md): Boeing 737 - 377 · Leeds, United Kingdom · Incident · No injuries · Foreign investigation · Aug 2, 2013 · G-CELF · No damage > The United Kingdom Air Accidents Investigation Branch (AAIB) has notified the NTSB of an accident involving a Boeing 737-300 airplane that occurred on August 02, 2013. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB's investigation… - [NTSB WPR13LA122](https://openairdocs.org/ntsb/WPR13LA122.md): ST Clair Lancair 360 · Williams, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 12, 2013 · N123ST · Destroyed > An in-flight fire due to an electrical short circuit. - [NTSB WPR13LA060](https://openairdocs.org/ntsb/WPR13LA060.md): Piper PA30 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Nov 24, 2012 · N8747Y · Substantial damage > The pilot's failure to properly inhibit the landing gear transmission motor consistent with the emergency landing gear extension procedure, which precluded the full extension of the landing gear. Contributing to the accident was the airplane's electrical… - [NTSB WPR12LA402](https://openairdocs.org/ntsb/WPR12LA402.md): Hansen HANSEN-VANS RV-6 · Lemolo Lake, OR · Accident · Serious injuries · Limited investigation · Final report · Sep 5, 2012 · N53MH · Substantial damage > An overvoltage event due to the failure of the automotive voltage regulator, which resulted in electrical anomalies and smoke in the cockpit and a subsequent forced off-airport landing. - [NTSB DCA12WA127](https://openairdocs.org/ntsb/DCA12WA127.md): Boeing 747-400 · London, United Kingdom · Incident · No injuries · Foreign investigation · Aug 17, 2012 · 9M-MPL · No damage > The United Kingdom's Air Accidents Investigations Branch (AAIB), has notified the NTSB of an accident involving a Boeing 747-400 that occurred on August 17, 2012. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB investigation under… - [NTSB CEN12LA389](https://openairdocs.org/ntsb/CEN12LA389.md): Hoyle Fighter Escort Wings · Pueblo, CO · Accident · No injuries · Limited investigation · Final report · Jun 23, 2012 · N2051P · Substantial damage > An internal failure of one of the electrical system’s two batteries combined with the inadequate electrical system design, which resulted in a total loss of engine power. - [NTSB ERA12FA280](https://openairdocs.org/ntsb/ERA12FA280.md): Manzitto Michael A Mwlancair 235 · Hudson, KY · Accident · 1 fatal · Field investigation · Final report · Apr 14, 2012 · N235MW · Substantial damage > The pilot's decision to operate the airplane with known electrical system problems, which resulted in the in-flight failure of the electrical wiring interconnect system, loss of electrical power, and subsequent fuel starvation and loss of engine power. - [NTSB CEN12LA220](https://openairdocs.org/ntsb/CEN12LA220.md): Cirrus Design SR22T · Addison, TX · Accident · No injuries · Limited investigation · Final report · Mar 23, 2012 · N229TX · Substantial damage > Maintenance personnel’s improper maintenance, which resulted in the incorrect wiring of the No. 1 alternator and a subsequent electrical system fire during taxi. Contributing to the accident was the airplane manufacturer's inadequate maintenance documentation… - [NTSB CEN12LA060](https://openairdocs.org/ntsb/CEN12LA060.md): Cessna 180 · Eau Claire, WI · Accident · No injuries · Limited investigation · Final report · Nov 12, 2011 · N3606C · Substantial damage > The pilot’s disorientation during a night flight, which resulted in an off-airport landing, and his inadequate directional control during the landing roll. Contributing to the accident was the loss of the airplane’s electrical system power. - [NTSB ERA11LA502](https://openairdocs.org/ntsb/ERA11LA502.md): Cessna P210N · South Deerfield, MA · Accident · Serious injuries · Limited investigation · Final report · Sep 23, 2011 · N210LE · Substantial damage > The failure of the electrical system due to an alternator failure during flight in instrument meteorological conditions, and the pilot’s inadequate preflight inspection and failure to use the approved checklist for the dual alternator system. Contributing to… Next page: https://openairdocs.org/ntsb-events/332/cases.md?page=3 ## 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?page=2 --- 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.