# NTSB investigations: Electrical pwr sys wiring

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 CEN25LA401](https://openairdocs.org/ntsb/CEN25LA401.md): CubCrafters CCK-2000 · Thompsonville, MI · Accident · No injuries · Class 3 · Limited · Final report · Sep 7, 2025 · N40DT · Substantial damage
  > A 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 CEN24LA366](https://openairdocs.org/ntsb/CEN24LA366.md): Cessna 172M · Ackerman, MS · Accident · No injuries · Class 3 · Limited · Final report · Sep 20, 2024 · N73154 · Substantial damage
  > The 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 WPR24LA081](https://openairdocs.org/ntsb/WPR24LA081.md): Christopher Randall Raptor Junior 540 · Camarillo, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 30, 2024 · N906CR · Substantial damage
  > A total loss of engine power due to the loss of power to the electronic fuel injection and ignition system, which was the result of a loose connection between a common ground feed-through stud and the ground bus.
- [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 CEN23LA390](https://openairdocs.org/ntsb/CEN23LA390.md): Zlin Aviation S R O Savage Norden · Cabot, AR · Accident · No injuries · Class 3 · Limited · Final report · Aug 30, 2023 · N7373 · Substantial damage
  > The airplane manufacturer’s routing of the fuel pump wiring next to the engine’s turbocharger and exhaust, which thermally damaged the wiring and resulted in a malfunction of the fuel delivery system and a total loss of engine power.
- [NTSB ERA23LA320](https://openairdocs.org/ntsb/ERA23LA320.md): Mesnard Velocity Twin · Sandersville, GA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 1, 2023 · N106VT · Substantial damage
  > A total loss of power in the right engine due to the right ECU injector wires being severed by the main landing gear actuator piston teeter bar as a result of a lack of clearance and protection of the wiring bundle.
- [NTSB ERA23LA347](https://openairdocs.org/ntsb/ERA23LA347.md): Piper PA28 · Knoxville, TN · Accident · No injuries · Class 3 · Limited · Final report · Jul 27, 2023 · N15417 · Substantial damage
  > An in-flight fire that resulted from an inadequate 100-hr inspection, which failed to detect and correct improper electrical cable routing in the engine compartment.
- [NTSB ERA23FA137](https://openairdocs.org/ntsb/ERA23FA137.md): Piper PA-28-161 · Lindenhurst, NY · Accident · 1 fatal · Class 3 · Field · Final report · Mar 5, 2023 · N8149R · Destroyed
  > An in-flight fire due to a compromised oil pressure line fitting, which resulted in a collision with terrain during a subsequent emergency landing.
- [NTSB ERA23LA065](https://openairdocs.org/ntsb/ERA23LA065.md): Piper PA-28-181 · Manassas, VA · Accident · No injuries · Class 3 · Limited · Final report · Nov 18, 2022 · N8129M · Substantial damage
  > An engine fire caused by chafing and subsequent electrical arcing of the alternator wire near a fuel source.
- [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 ANC22LA007](https://openairdocs.org/ntsb/ANC22LA007.md): Cessna 207A · Bethel, AK · Accident · No injuries · Class 3 · Limited · Final report · Nov 21, 2021 · N9794M · Substantial damage
  > The improper installation of an avionics wire harness over a fuel line, which resulted in chafing of the wire harness, arcing, and a subsequent fire.
- [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 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 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 ENG20IA006](https://openairdocs.org/ntsb/ENG20IA006.md): De Havilland DHC8 · Keene, NH · Incident · No injuries · Class 3 · Incident · Final report · Dec 9, 2019 · C-GNON · Minor damage
  > The arcing failure of the windshield heat L2 power wire on the right windshield due to unknown reasons.
- [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 CEN19LA215](https://openairdocs.org/ntsb/CEN19LA215.md): Beech 65 · Sidney, NE · Accident · No injuries · Class 3 · Limited · Final report · Jul 9, 2019 · N62069 · Substantial damage
  > The improper maintenance of the outboard left wing, which allowed electrical arcing and leaking of the fuel sending unit and subsequently resulted in ignition of fuel vapors and an explosion of the outboard left wing.
- [NTSB CEN18LA200](https://openairdocs.org/ntsb/CEN18LA200.md): Irlbeck Thomas H RV 8 · Somerset, WI · Accident · No injuries · Class 3 · Limited · Final report · May 29, 2018 · N214FF · Substantial damage
  > A total loss of engine power due to damaged and disconnected electronic ignition wires from both the main and backup batteries, which resulted in a forced landing.
- [NTSB WPR18LA043](https://openairdocs.org/ntsb/WPR18LA043.md): Beech A36 · Rio Oso, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 4, 2017 · N251E · Substantial damage
  > An in-flight fire due to electrical arc corrosion of the fuel line.
- [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 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 CEN17LA205](https://openairdocs.org/ntsb/CEN17LA205.md): Amstutz Curtis J BD-5B · Portland, IN · Accident · No injuries · Limited investigation · Final report · May 26, 2017 · N604KA · Substantial damage
  > A failure of the wiring between the engine control unit and the fuel injector, which resulted in a total loss of engine power.
- [NTSB ERA17LA071](https://openairdocs.org/ntsb/ERA17LA071.md): Cessna 150 · Palm Bay, FL · Accident · Minor injuries · Limited investigation · Final report · Dec 19, 2016 · N150EC · Substantial damage
  > Unknown maintenance personnel’s improper routing of electrical wires in the engine compartment, which resulted in chafing and a subsequent in-flight fire.
- [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 WPR16FA153](https://openairdocs.org/ntsb/WPR16FA153.md): Piper PA-31T · McKinleyville, CA · Accident · 4 fatal · Field investigation · Final report · Jul 29, 2016 · N661TC · Destroyed
  > An inflight fire in the floor area near the main bus tie circuit breaker panel that resulted from chafing between an electrical wire and a hydraulic line and/or airplane structure.
- [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 WPR16LA129](https://openairdocs.org/ntsb/WPR16LA129.md): Burkes BR-1 · Brigham City, UT · Accident · No injuries · Class 3 · Limited · Final report · Jun 22, 2016 · N677DB · Substantial damage
  > A loss of engine power as a result of a failure of the primary and backup ignition system.
- [NTSB GAA16CA226](https://openairdocs.org/ntsb/GAA16CA226.md): Cessna TR182 · Bloomington, IN · Accident · No injuries · Data collection · Final report · May 7, 2016 · N9281R · Substantial damage
  > The pilot's failure to maintain the airplane's descent rate resulting in a hard landing, and subsequent substantial damage to the firewall.
- [NTSB CEN16LA167](https://openairdocs.org/ntsb/CEN16LA167.md): Probst Zenair 601XL · Hempstead, TX · Accident · No injuries · Limited investigation · Final report · Apr 24, 2016 · C-GXLP · Substantial damage
  > A loose output connection from the generator voltage regulator, which resulted in a loss of power to the electronic ignition system, a total loss of engine power, and a subsequent forced landing, during which the airplane impacted a sign pole.
- [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 WPR15LA130](https://openairdocs.org/ntsb/WPR15LA130.md): Vans RV6A · Green Valley, AZ · Accident · Minor injuries · Limited investigation · Final report · Mar 21, 2015 · N811KM · Substantial damage
  > The total loss of engine power during initial climb due to the disconnection of both fuel pump power wires.
- [NTSB CEN14LA441](https://openairdocs.org/ntsb/CEN14LA441.md): Becker Elmer L Stol CH 750 · Grain Valley, MO · Accident · Serious injuries · Limited investigation · Final report · Aug 19, 2014 · N484XB · Substantial damage
  > The pilot’s failure to maintain airplane control during a low-speed, high-pitch climb after the airplane experienced a loss of electrical power and subsequent total loss of engine power, which resulted in an aerodynamic stall. Contributing to the accident was…
- [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 WPR13LA432](https://openairdocs.org/ntsb/WPR13LA432.md): Grumman American Avn. AA 1C · Hemet, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 9, 2013 · N9923U · Substantial damage
  > The airplane’s hard landing due to the pilot’s failure to maintain sufficient airspeed while on approach after shutting down the engine because of the smoke in the cockpit from a burnt wire that originated from the alternator field terminal and extended to…
- [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 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 DCA11FA072](https://openairdocs.org/ntsb/DCA11FA072.md): Bombardier CL600 2B19 · Phoenix, AZ · Accident · No injuries · Field investigation · Final report · Apr 2, 2011 · N7264V · Substantial damage
  > inadequate clearance between the Integrated Drive Generator (IDG) power cables and hydraulic lines in the aft equipment bay that resulted in chaffing of the IDG power cables and hydraulic lines, arcing, and fire.
- [NTSB ERA10LA325](https://openairdocs.org/ntsb/ERA10LA325.md): Schleicher ASH26 · Shelbyville, TN · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2010 · N26EL · Substantial damage
  > A complete loss of electrical and engine power over unsuitable terrain due to a cannon plug that became disconnected for undetermined reasons.
- [NTSB ERA10LA229](https://openairdocs.org/ntsb/ERA10LA229.md): Dalin Ronald K T-51 Mustang · Lakeland, FL · Accident · No injuries · Limited investigation · Final report · Apr 14, 2010 · N551RD · Substantial damage
  > The builder’s use of inadequate material for the exhaust manifold adapters resulting in heat damage and chafing of the crankshaft synchronizer and timing wires that rendered an inoperative ignition system and loss of engine power.
- [NTSB ERA09FA304](https://openairdocs.org/ntsb/ERA09FA304.md): Beech C90A · Yeehaw Junction, FL · Accident · No injuries · Field investigation · Final report · May 25, 2009 · N8001V · Substantial damage
  > The failure of the flightcrew to recognize that both engines were being supplied fuel only from the right wing fuel tanks resulting in loss of power in both engine due to fuel starvation. Contributing to the accident were the inoperative the left auxiliary…
- [NTSB ERA09LA203](https://openairdocs.org/ntsb/ERA09LA203.md): Wayne O Robinson S6S Rans · Cartersville, GA · Accident · Serious injuries · Limited investigation · Final report · Mar 19, 2009 · N312RW · Substantial damage
  > The pilot's failure to maintain airspeed following a partial loss of engine power during initial climb, which resulted in an aerodynamic stall. Contributing to the accident was chafed wires in the ignition system.
- [NTSB WPR09LA098](https://openairdocs.org/ntsb/WPR09LA098.md): Cessna 172S · Oceanside, CA · Accident · Serious injuries · Limited investigation · Final report · Jan 24, 2009 · N562AD · Substantial damage
  > A defective alternator wire splice that resulted in an intermittent electrical system malfunction and erroneous fuel gauge readings, and, a loss of engine power for an undetermined reason.
- [NTSB WPR09FA027](https://openairdocs.org/ntsb/WPR09FA027.md): Cessna P206 · Estacada, OR · Accident · 2 fatal · Field investigation · Final report · Oct 29, 2008 · N2570X · Substantial damage
  > The pilot's failure to maintain clearance from trees while on approach to land at night. Contributing to the accident was the electrical system failure and the pilot's diverted attention.
- [NTSB LAX08LA066](https://openairdocs.org/ntsb/LAX08LA066.md): Bartle Lancair IV-P · Murrieta/Temecu, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 26, 2008 · N811HB · Substantial damage
  > A total loss of engine power while on approach due to the electrical overload of a fuse caused by the builder's inadequate design and installation of the electrical ignition system.

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01022497'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01022497/cases

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