# NTSB investigations, MA: 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 DCA16WA166](https://openairdocs.org/ntsb/DCA16WA166.md): Embraer ERJ190 · Boston, MA · Incident · No injuries · Foreign investigation · May 25, 2016 · C-FHOS · Minor damage
  > Transport Safety Board (TSB) of Canada has notified the NTSB of an accident involving a EMBRAER ERJ190 airplane that occurred on May 25, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of Canada's investigation under the…
- [NTSB ERA11LA502](https://openairdocs.org/ntsb/ERA11LA502.md): Cessna P210N · South Deerfield, MA · Accident · Serious injuries · Limited investigation · Final report · Sep 23, 2011 · N210LE · Substantial damage
  > The 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…

## 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" = 'MA' AND c."eventCountry" = 'USA'
  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?state=MA

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