# NTSB investigations, CA: 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. ## Latest cases - [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 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 WPR21LA348](https://openairdocs.org/ntsb/WPR21LA348.md): Cessna 172N · Grass Valley, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 19, 2021 · N4977G · Substantial damage > The pilot’s failure to attain a proper touchdown point on the runway while landing in gusting wind conditions, which resulted in a runway overrun. Contributing to the accident was the pilot’s distraction due to an electrical issue. - [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 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 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 WPR18LA021](https://openairdocs.org/ntsb/WPR18LA021.md): Metcalfe Robert B Vans RV 6 · Selma, CA · Accident · No injuries · Limited investigation · Final report · Oct 30, 2017 · N88MV · Substantial damage > The pilot’s failure to properly secure an alternator ground cable swage that led to problems with the electrical system and/or electronic engine controls, which resulted in a total loss of engine power. - [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 ENG14IA019](https://openairdocs.org/ntsb/ENG14IA019.md): Boeing 767 332 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Jul 11, 2014 · N139DL · Minor damage > The combination of fuel leaking from the integrated drive generator (IDG) fuel/oil heat exchanger and the coincident arcing of the IDG power feeder cables that ignited the leaking fuel. Contributing to the ignition of the fuel was the misrouting of the IDG… - [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 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 WPR12LA097](https://openairdocs.org/ntsb/WPR12LA097.md): Beech 58P · Santa Ana, CA · Accident · No injuries · Limited investigation · Final report · Jan 8, 2012 · N580TC · Substantial damage > The pilot’s failure to review or execute any applicable checklist procedures or troubleshoot or take corrective action before landing despite indications that the landing gear was not extended. Contributing to the accident were the pilot’s misunderstanding of… - [NTSB DCA08MA076](https://openairdocs.org/ntsb/DCA08MA076.md): Boeing 767 · San Francisco, CA · Accident · No injuries · Class 1 · Major · Final report · Jun 28, 2008 · N799AX · Destroyed > The design of the supplemental oxygen system hoses and the lack of positive separation between electrical wiring and electrically conductive oxygen system components. The lack of positive separation allowed a short circuit to breach a combustible oxygen hose,… ## 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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '332' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-events/332/sequence?state=CA --- 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.