Final NTSB investigations
73 cases where the defining event was Electrical system malf/failure.
Cases per year
| 2008 | 9 |
|---|---|
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 4 |
| 2012 | 5 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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.\"completionStatus\" = 'Completed'
AND 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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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."completionStatus" = 'Completed' AND 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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ERA26LA191Accident · No injuriesClass 4 · LimitedFinal reportBeech F33A · Sanford, NCA 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 ERA25LA199Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 182A · Ocala, FLThe 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 CEN25LA079Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-24-250 · Tyler, TXAn 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 WPR24LA265Accident · Minor injuriesClass 3 · LimitedFinal reportBell 407 · Raft River, IDThe 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 WPR24LA230Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Reno, NVA 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 ERA24LA228Accident · Serious injuriesClass 3 · LimitedFinal reportSchleicher ASH 31 MI · Winter Haven, FLThe 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 WPR24LA157Accident · No injuriesClass 3 · LimitedFinal reportCessna P210 · Daggett, CAThe 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 WPR24LA109Accident · No injuriesClass 3 · LimitedFinal reportRaytheon B200 · Billings, MTThe 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 CEN23LA402Accident · No injuriesClass 3 · LimitedFinal reportVans RV14 · Orchard, TXThe 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 ENG23LA033Incident · No injuriesClass 3 · LimitedFinal reportAirbus A320 · Jacksonville, FLThe 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 ERA23LA064Accident · No injuriesClass 3 · LimitedFinal reportBeech 95-B55 (T42A) · Athens, GAThe 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 CEN23LA014Accident · No injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 62 · Dallas, TXA 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 CEN22LA430Accident · No injuriesClass 3 · LimitedFinal reportAgusta AW139 · Houma, LAThe 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 CEN22LA072Accident · No injuriesClass 4 · LimitedFinal reportAmerican Legend AL18 · Abbeville, LAAn electrical fire for reasons that could not be determined.NTSB WPR21LA294Accident · No injuriesClass 3 · LimitedFinal reportKuykendall Charles Lancair IV · Indian Springs, NVAn in-flight fire due to an undetermined electrical malfunction.NTSB CEN21LA373Accident · No injuriesClass 4 · LimitedFinal reportMooney M20F · New Albany, MSThe 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 ERA21LA159Accident · No injuriesClass 4 · LimitedFinal reportCessna 210 · Marianna, FLThe 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 CEN21LA065Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32R · Canon City, COThe failure of the alternator drive belt, which resulted in insufficient electrical power to extend the landing gear and a subsequent gear-up landing. .NTSB CEN20LA412Accident · No injuriesClass 3 · LimitedFinal reportZenith CH 750 · Montrose, MOA 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 CEN20LA262Accident · Minor injuriesClass 3 · LimitedFinal reportBeech F35 · Ravenna, TXElectrical and engine problems for reasons that could not be determined based on available evidence.NTSB ENG20LA016Incident · No injuriesClass 3 · LimitedFinal reportAirbus A319 · Sacramento, CAA 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 WPR19LA261Accident · Minor injuriesClass 3 · LimitedFinal reportHavoc Air Racing Super GT 111 · Reno, NVThe failure of the landing gear to extend for reasons that could not be determined.NTSB ERA19LA253Accident · Serious injuriesClass 3 · LimitedFinal reportVelocity XL-5 · St. Cloud, FLThe 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 WPR19LA201Accident · No injuriesClass 3 · LimitedFinal reportCessna R182 · King City, CAA landing gear collapse following an undetermined loss of electrical power, which prevented the landing gear from fully extending.NTSB ANC19LA036Accident · Serious injuriesClass 3 · LimitedFinal reportStoddard Hamilton Glasair II · Chattanooga, TNThe pilot's failure to switch to the secondary electrical system after the primary electrical system failed for unknown reasons.NTSB CEN19LA226Accident · Minor injuriesClass 3 · LimitedFinal reportCashen Super Acro Sport · Detroit Lakes, MNAn open circuit in the engine's electrical switch box, which resulted in a partial loss of engine power and subsequent forced landing.NTSB CEN19LA147Accident · Minor injuriesClass 3 · LimitedFinal reportCessna P210 · Yankeetown, FLA loss of engine power for reasons that could not be determined based on the available evidence.NTSB ERA19LA177Accident · No injuriesClass 3 · LimitedFinal reportZenith CH750 · Savannah, TNThe 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 CEN19FA119Accident · 3 fatalClass 2 · FieldFinal reportRockwell International NA-265-65 · New Albany, MSAn 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 CEN18LA345Accident · No injuriesLimited investigationFinal reportCessna T210 · Tulsa, OKThe 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 ERA18LA215Accident · No injuriesLimited investigationFinal reportCessna R182 · Florence, SCThe 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 CEN18LA097Accident · No injuriesLimited investigationFinal reportPiper PA 24-260 · Fargo, NDThe 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 CEN18LA086Accident · No injuriesLimited investigationFinal reportSwearingen SA227 TT · Houston, TXThe 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 ANC18LA009Accident · No injuriesLimited investigationFinal reportCessna 172RG · Opa Locka, FLA 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 ERA18LA010Accident · Serious injuriesClass 3 · LimitedFinal reportBeech A24 · Manteo, NCThe 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 CEN17LA313Accident · No injuriesLimited investigationFinal reportCanion Michael W Zodiac 601XL · Grady, ARThe loss of engine power due to a lack of ignition resulting from a broken alternator wire.NTSB CEN17LA121Accident · No injuriesLimited investigationFinal reportBeech C90A · Rattan, OKThe 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 CEN17LA066Accident · Serious injuriesLimited investigationFinal reportGosselin Charles Glastar · Lee's Summit, MOPartial failure of the electric system due to a battery short, which resulted in a total loss of engine power.NTSB ANC17LA014Accident · Serious injuriesLimited investigationFinal reportPiper PA 32R-300 · McGrath, AKThe 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 ERA16LA299Accident · Serious injuriesLimited investigationFinal reportProgressive Aerodyne Searey · Sebring, FLA 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 ERA16FA269Accident · 1 fatalField investigationFinal reportYakovlev YAK11 · West Mifflin, PAA 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 WPR16LA127Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46 · Seattle, WAThe 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 ERA16LA135Accident · No injuriesLimited investigationFinal reportCessna 210L · Myrtle Beach, SCA 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 ERA15LA333Accident · No injuriesLimited investigationFinal reportBeech E 90 · Fayetteville, TNA 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 ERA15LA323Accident · Serious injuriesLimited investigationFinal reportCessna 150 · Dorado, PRA 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 CEN15LA369Accident · Minor injuriesLimited investigationFinal reportCessna 182P · Bolivar, MOTotal 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 WPR15LA165Accident · No injuriesLimited investigationFinal reportRaytheon B200 · Carlsbad, CAThe 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 ERA15IA198Incident · No injuriesClass 2 · IncidentFinal reportDassault-Breguet Mystere Falcon 900 · Orlando, FLUnknown 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 DCA14CA043Accident · No injuriesData collectionFinal reportGeneral Atomics MQ-9 · Point Loma, CAintentional controlled ditching of the aircraft due to failure of the starter/generator supplying electrical power to the aircraft.NTSB WPR13LA122Accident · Serious injuriesLimited investigationFinal reportST Clair Lancair 360 · Williams, CAAn in-flight fire due to an electrical short circuit.