NTSB investigations: Cessna 421B
4 cases on aircraft the registry lists as Cessna 421B, where NTSB found Not determined, general. 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
| 2015 | 1 |
|---|---|
| 2017 | 1 |
| 2021 | 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 c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076014')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f.case_mkey = x.case_mkey AND f.aircrafts_position = x.position AND starts_with(f.\"findingCode\", '05000000')))
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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076014')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f.case_mkey = x.case_mkey AND f.aircrafts_position = x.position AND starts_with(f."findingCode", '05000000')))
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 ERA24LA041Accident · No injuriesClass 3 · LimitedFinal reportCessna 421 · Lake City, FLA landing gear collapse following an aborted takeoff due to degraded climb performance for reasons that could not be determined.NTSB ERA21LA152Accident · No injuriesClass 3 · LimitedFinal reportCessna 421 · Franklin, NCThe reason for this accident could not be determined based on the available information.NTSB WPR17LA131Accident · No injuriesClass 3 · LimitedFinal reportCessna 421B · Carlsbad, CAThe right main landing gear collapse for undetermined reasons.NTSB CEN15LA418Accident · Minor injuriesLimited investigationFinal reportCessna 421B · Platteville, WIThe partial loss of right engine power for undetermined reasons with insufficient runway remaining for the aborted takeoff.