# NTSB investigations, FL: AC generator-alternator

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 ERA18TA263](https://openairdocs.org/ntsb/ERA18TA263.md): Zenith CH 750 · DeLeon Springs, FL · Accident · Minor injuries · Final report · Sep 23, 2018 · N752VK · Substantial damage
  > The pilot's operation of the airplane with the alternator switch in the off position, which allowed the selected battery to discharge and resulted in an ignition system failure and a total loss of engine power.
- [NTSB ERA16LA305](https://openairdocs.org/ntsb/ERA16LA305.md): Dayton A Babcock Storm · Eustis, FL · Accident · No injuries · Limited investigation · Final report · Aug 20, 2016 · N516VB · Substantial damage
  > The pilot's failure to maintain directional control during an aborted takeoff. Contributing to the accident were the loss of engine power due to a malfunctioning alternator, which precipitated the off-field landing, and the pilot’s decision to attempt to take…
- [NTSB ERA11CA255](https://openairdocs.org/ntsb/ERA11CA255.md): Beech F33A · Ocala, FL · Accident · No injuries · Data collection · Final report · Apr 21, 2011 · N334J · Substantial damage
  > The pilot's improper flare which resulted in a hard landing. Contributing to the accident was the pilot's distracted attention due to the electrical system failure.

## 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" = 'FL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01022421'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01022421/cases?state=FL

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