Final NTSB investigations
130 cases where the sequence of events included Electrical system malf/failure.
Cases per year
| 2008 | 10 |
|---|---|
| 2009 | 7 |
| 2010 | 6 |
| 2011 | 10 |
| 2012 | 8 |
| 2013 | 5 |
| 2014 | 8 |
| 2015 | 5 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 4 |
| 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 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"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 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
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 CEN25LA401Accident · No injuriesClass 3 · LimitedFinal reportCubCrafters CCK-2000 · Thompsonville, MIA 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 ERA25LA343Accident · No injuriesClass 4 · LimitedFinal reportBeech 95-B55 (T42A) · St. Petersburg, FLThe pilot’s failure to extend the landing gear prior to landing. Contributing to the accident was a malfunction of the landing gear’s electrical retraction/extension system, which tripped the circuit breaker.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 CEN25LA059Accident · No injuriesClass 3 · LimitedFinal reportCessna 182T · Pearland, TXThe 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 CEN24LA366Accident · No injuriesClass 3 · LimitedFinal reportCessna 172M · Ackerman, MSThe 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 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 ERA24LA337Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32R-301T · North Myrtle Beach, SCThe 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 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 WPR23LA321Accident · No injuriesClass 3 · LimitedFinal reportCessna T210M · Napa, CAInsufficient 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 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 CEN23LA135Accident · No injuriesClass 3 · LimitedFinal reportBell Helicopter Textron APT70 · Mineral Wells, TXThe 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 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 ERA23FA023Accident · 2 fatalClass 3 · FieldFinal reportPeryera Adventura II · Miramar, FLThe pilot’s failure to remove the ECU select switch per the manufacturer’s service bulletin, which resulted in a loss of engine power.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 ERA22LA155Accident · No injuriesClass 3 · LimitedFinal reportAircraft Designs Stallion · Ridgeland, SCA 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 CEN22LA072Accident · No injuriesClass 4 · LimitedFinal reportAmerican Legend AL18 · Abbeville, LAAn electrical fire for reasons that could not be determined.NTSB WPR22LA063Accident · No injuriesClass 4 · LimitedFinal reportBeech 200 · Eugene, ORThe pilot’s improper checklist use, which resulted in an electrical malfunction and subsequent gear up landing.NTSB WPR21LA348Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Grass Valley, CAThe 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 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 WPR21LA269Accident · No injuriesClass 4 · LimitedFinal reportCessna 172R · Petaluma, CAThe 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 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 ERA20CA203Accident · No injuriesClass 4 · Data collectionFinal reportBeech 36 · Batavia, NYThe pilot's failure to extend the landing gear during a precautionary landing after an electrical failure.NTSB CEN20FA093Accident · 3 fatalClass 3 · FieldFinal reportBeech 200 · Coleman, TXThe pilot’s loss of airplane control due to spatial disorientation. Contributing to the accident was the pilot’s distraction with a “popped” circuit breaker and communications with air traffic control.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 ERA19LA022Accident · No injuriesLimited investigationFinal reportPiper PA22 · Brownstown, INThe total loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical malfunctions or failures that would have precluded normal operation. Contributing to the outcome was the student…NTSB GAA19CA016Accident · No injuriesData collectionFinal reportPiper PA24 · Winder, GAThe pilot’s failure to maintain an adequate approach path at night after an electrical failure, which resulted in the airplane striking runway lights.NTSB CEN18FA384Accident · 2 fatalField investigationFinal reportCessna 150 · Festus, MOA total loss of engine power due to fuel exhaustion and the pilot's subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's decision to initiate and continue the…NTSB GAA18CA545Accident · Minor injuriesData collectionFinal reportCirrus SR22 · Mason City, IAThe pilot’s improper hand propping procedure, which resulted in a runaway airplane and subsequent impact with a hangar.NTSB CEN18LA348Accident · No injuriesLimited investigationFinal reportPiper PA32R · Falcon, COThe pilot's decision to depart with an inoperative left magneto, which resulted in degraded climb performance in high-density altitude conditions and a subsequent emergency landing.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…