NTSB investigations: Cessna 421B, CO
8 cases on aircraft the registry lists as Cessna 421B. 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
| 1979 | 1 |
|---|---|
| 1981 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 2000 | 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\" = 'CO' 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 ('2076014'))
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" = 'CO' 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 ('2076014'))
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 DEN00FA037Accident · 1 fatalField investigationFinal reportCessna 421B · Telluride, COThe non-instrument rated pilot's intentional flight into IMC, and his subsequent spatial disorientation that resulted in an inadvertent stall. A factor was the snow showers weather condition.NTSB DEN92FA024Accident · 3 fatalField investigationFinal reportCessna 421B · Steamboat Spgs, COAirframe ice and the pilot's failure to remove it. Factors were: aircraft weight exceeded and lack of pilot certification.NTSB DEN91LA136Accident · No injuriesLimited investigationFinal reportCessna 421B · Pagosa Springs, COInadequate preflight of the aircraft by the pilot in command. A factor was: failure of the pilot in command to properly latch the cargo door.NTSB DEN91LA101Accident · No injuriesLimited investigationFinal reportCessna 421B · Colorado Spring, COA fractured fuel line and an improperly performed annual inspection.NTSB DEN86FA033Accident · Serious injuriesField investigationFinal reportCessna 421B · Franktown, COThe acft departed nashville, TN, for a flt to aspen, CO. The plts made one refueling stop at chanute, KS. The plts were unable to land at aspen or a nearby alternate arpt (eagle, CO) and elected to return back to the denver area. The plts indicated to an…NTSB DEN84LA048Accident · Minor injuriesLimited investigationFinal reportCessna 421B · Aspen, COThe acft collided with the snow to the side and short of the rwy during the approach to land. The plt said the acft was blown off line and his vision was obscured by blowing snow. The acft hit REIL lights and stopped 760 ft short of the approach end of the…NTSB DEN81FA025Accident · 2 fatalClosedCessna 421B · Lafayette, CONTSB DEN79FA015Accident · 5 fatalClosedCessna 421B · Eagle.Co, CO