NTSB investigations
6 cases where NTSB found DC generation system.
Cases per year
| 2009 | 1 |
|---|---|
| 2012 | 1 |
| 2015 | 1 |
| 2019 | 1 |
| 2024 | 1 |
| 2025 | 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 c.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01022430')) 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 c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01022430')) 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 CEN25LA079Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-24-250 · Tyler, TXAn electrical system surge for a reason that could not be determined that resulted in an overvoltage event, internal damage to electronics equipment, smoke in the cockpit, and a gear up landing.NTSB WPR24LA109Accident · No injuriesClass 3 · LimitedFinal reportRaytheon B200 · Billings, MTThe pilot's improper engine start, resulting in the engine starters remaining engaged and the generators not being activated, which led to the discharge of the airplane’s battery and subsequent total electrical failure after takeoff. Contributing to the…NTSB ERA19LA177Accident · No injuriesClass 3 · LimitedFinal reportZenith CH750 · Savannah, TNThe total loss of engine power due to a loss of all electrical power. Contributing to the accident was the inaccessible placement of the alternator circuit breaker and the construction of the airplane without a backup electrical source.NTSB CEN15LA132Accident · No injuriesLimited investigationFinal reportButler Raymond Rotorway Exec 162F · Seadrift, TXA fault in the No. 1 engine control module, which disabled the ignition system and resulted in the engine losing power; during the subsequent autorotation, the main rotor rpm was further reduced just before touchdown, which resulted in a hard landing.NTSB CEN12LA204Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Roanoke, TXThe pilot’s failure to follow the published emergency procedures to lower the landing gear following a loss of electrical power.NTSB WPR09LA423Accident · Minor injuriesLimited investigationFinal reportCessna TU206G · Ballard, WAThe pilot's precautionary water landing with partially extended landing gear. Contributing to the accident was the unidentified anomaly with the airplane's electrical system, which rendered the gear position indicator system inoperative.