NTSB investigations: Cessna 421C, IN
6 cases on aircraft the registry lists as Cessna 421C. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1983 | 1 |
|---|---|
| 1995 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2011 | 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.\"eventStateOrRegion\" = 'IN' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076016', '2076017'))
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."eventStateOrRegion" = 'IN' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076016', '2076017'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 CEN11FA201Accident · 1 fatalField investigationFinal reportCessna 421C · Connersville, INThe pilot did not maintain control of the airplane while making a low-altitude turn during dark night conditions.NTSB CHI07CA152Accident · No injuriesData collectionFinal reportCessna 421C · Kokomo, INThe pilot not obtaining proper alignment with the runway during the emergency landing after takeoff, which imparted an excessive side load on the landing gear. Factors contributing to the accident were the unstabilized approach and engine shutdown due to the…NTSB CHI06LA080Accident · No injuriesLimited investigationFinal reportCessna 421C · Indianapolis, INThe main landing gear malfunctioned and failed to extend during the landing approach for an undetermined reason, which resulted in a main gear up landing.NTSB CHI05CA057Accident · No injuriesData collectionFinal reportCessna 421C · Muncie, INThe inadequate flare and the directional control not maintained/obtained by the pilot. Contributing factors were the instrument meteorological conditions, the icing conditions, the limited visibility afforded by the windshield antiice/deice system, and the…NTSB CHI95LA073Accident · No injuriesLimited investigationFinal reportCessna 421C · Angola, INOverload failure of the right main landing gear shock strut sleeve for an unknown reason.NTSB CHI83FA383Accident · Serious injuriesField investigationFinal reportCessna 421C · Centerto, INThe plt reported that during a climb after takeoff, he engaged the autopilot. While making an entry on a trip sheet, he felt a bump & noted that the acft had started to descend. He disengaged the autopilot & the nose pitched down violently. Reducing power had…