NTSB investigations

13 cases where NTSB found DC power distribution system.

Cases per year

20082026
NTSB investigations per year, 2008–2026: 13 cases
20083
20091
20111
20121
20141
20151
20171
20191
20222
20251

Latest 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.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01022460'))
  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.

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…Sep 7, 2025 · N40DT · Substantial damageNTSB 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…Sep 24, 2022 · N811TA · Substantial damageNTSB WPR22LA322Accident · Minor injuriesClass 3 · LimitedFinal reportRay E Roberts Kitfox V Vixen · Caldwell, IDThe partial loss of engine power due to a loose wire leading to the engine’s electronic control unit (ECU). Contributing was the pilot’s exceedance of the critical angle of attack while maneuvering, which resulted in an aerodynamic stall at an altitude too…Aug 26, 2022 · N52367 · Substantial damageNTSB 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.May 16, 2019 · N750GZ · Substantial damageNTSB 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.Jul 20, 2017 · N577M · Substantial damageNTSB 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.Aug 22, 2015 · N4057V · Substantial damageNTSB ERA14CA420Accident · No injuriesData collectionFinal reportMooney M20K · Vero Beach, FLThe failure of the pilot and personnel from the fixed base operator to assure the correct ground power unit was utilized to provide external power, resulting in damage to the aircraft's electrical wiring and subsequent damage to structure adjacent to the…Aug 23, 2014 · N231MN · Substantial damageNTSB CEN12LA389Accident · No injuriesLimited investigationFinal reportHoyle Fighter Escort Wings · Pueblo, COAn 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.Jun 23, 2012 · N2051P · Substantial damageNTSB ERA11LA502Accident · Serious injuriesLimited investigationFinal reportCessna P210N · South Deerfield, MAThe 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…Sep 23, 2011 · N210LE · Substantial damageNTSB ERA09IA326Incident · No injuriesIncident investigationFinal reportIniziative Sky Arrow · Marietta, GAAn electrical fire due to the lack of a positive locking mechanism for the fuse retainer in the main fuse block, which resulted in voltage fluctuations that caused thermal damage to the avionics cooling fan. Contributing to the incident was the student…Jun 8, 2009 · N445SA · No damageNTSB DCA09IA018Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas MD88 · Greer, SCThe overheating and arcing of the DC Ground Service Relay and Block Diodes component for undetermined reasons.Dec 11, 2008 · N924DL · Minor damageNTSB CHI08IA292Incident · No injuriesIncident investigationFinal reportBoeing 757-223 · Chicago, ILThe failure of an electrical relay due to eroded contacts and the flight crew's decision to continue a flight that was operating on battery power.Sep 22, 2008 · N197AN · Minor damageNTSB LAX08LA066Accident · Serious injuriesLimited investigationFinal reportBartle Lancair IV-P · Murrieta/Temecu, CAA 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.Feb 26, 2008 · N811HB · Substantial damage