# 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 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 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 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 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 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
```

This list as a web page: https://openairdocs.org/ntsb-events/332/cases?state=CA

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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.