# NTSB investigations, 2013: 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 WPR13FA368](https://openairdocs.org/ntsb/WPR13FA368.md): Beech E35 · West Yellowstone, MT · Accident · 1 fatal · Field investigation · Final report · Aug 12, 2013 · N3226C · Substantial damage
  > The pilot's failure to maintain airplane control while aligning the airplane with the runway for landing, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Contributing to the accident was the pilot's…
- [NTSB ERA13LA363](https://openairdocs.org/ntsb/ERA13LA363.md): Mooney M20R · Tallahassee, FL · Accident · No injuries · Limited investigation · Final report · Aug 4, 2013 · N1034S · Substantial damage
  > The pilot's failure to troubleshoot the in-flight electrical problem and restore power using the operable redundant battery and his decision not to manually extend the airplane's landing gear, which resulted in a gear-up landing. Contributing to the accident…
- [NTSB DCA13WA169](https://openairdocs.org/ntsb/DCA13WA169.md): Boeing 737 - 377 · Leeds, United Kingdom · Incident · No injuries · Foreign investigation · Aug 2, 2013 · G-CELF · No damage
  > The United Kingdom Air Accidents Investigation Branch (AAIB) has notified the NTSB of an accident involving a Boeing 737-300 airplane that occurred on August 02, 2013. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB's investigation…
- [NTSB WPR13LA237](https://openairdocs.org/ntsb/WPR13LA237.md): Piper PA-32R-301T · Chandler, AZ · Accident · No injuries · Limited investigation · Final report · May 19, 2013 · N8197W · Substantial damage
  > The failure of the alternator and/or battery, which prevented the operation of the landing gear extension system and resulted in the nose landing gear collapsing during the landing roll.
- [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 CEN13LA141](https://openairdocs.org/ntsb/CEN13LA141.md): Piper PA-24-250 · McKinney, TX · Accident · No injuries · Limited investigation · Final report · Jan 23, 2013 · N6195P · Substantial damage
  > Collapse of the landing gear for reasons that could not be determined because visual examination did not reveal any mechanical malfunction or failure that would have prevented the gear from locking in the extended position and postaccident damage precluded…

## 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 year(c."eventDate") = 2013
  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
```

This list as a web page: https://openairdocs.org/ntsb-events/332/sequence?year=2013

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