NTSB investigations, 2012
4 cases where NTSB found AC generator-alternator.
Cases per year
| 2011 | 2 |
|---|---|
| 2012 | 4 |
| 2013 | 1 |
| 2014 | 2 |
| 2016 | 1 |
| 2018 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Where
Open the mapLatest 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 year(c.\"eventDate\") = 2012
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"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.
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") = 2012 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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ERA12LA450Accident · No injuriesLimited investigationFinal reportBeech A36 · Johns Island, SCThe pilot's failure to complete the manual emergency gear extension after a loss of electrical power. Contributing to the accident was the pilot's decision to delegate the landing gear extension to a non-pilot-rated passenger.NTSB CEN12FA251Accident · 1 fatalField investigationFinal reportCirrus Design SR22 · Newcomerstown, OHThe pilot’s loss of airplane control in instrument meteorological conditions due to his distraction by electrical system anomalies, which resulted in an uncontrolled descent. The reason for the electrical system anomalies could not be determined.NTSB CEN12LA220Accident · No injuriesLimited investigationFinal reportCirrus Design SR22T · Addison, TXMaintenance personnel’s improper maintenance, which resulted in the incorrect wiring of the No. 1 alternator and a subsequent electrical system fire during taxi. Contributing to the accident was the airplane manufacturer's inadequate maintenance documentation…NTSB WPR12LA097Accident · No injuriesLimited investigationFinal reportBeech 58P · Santa Ana, CAThe pilot’s failure to review or execute any applicable checklist procedures or troubleshoot or take corrective action before landing despite indications that the landing gear was not extended. Contributing to the accident were the pilot’s misunderstanding of…