NTSB investigations: Cessna 421B, 1981
5 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
| 1968 | 1 |
|---|---|
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 3 |
| 1974 | 7 |
| 1975 | 1 |
| 1976 | 5 |
| 1977 | 4 |
| 1978 | 4 |
| 1979 | 12 |
| 1980 | 4 |
| 1981 | 5 |
| 1982 | 5 |
| 1983 | 3 |
| 1984 | 3 |
| 1985 | 5 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 4 |
| 1990 | 7 |
| 1991 | 5 |
| 1992 | 4 |
| 1993 | 5 |
| 1994 | 2 |
| 1995 | 3 |
| 1996 | 3 |
| 1998 | 3 |
| 1999 | 5 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 4 |
| 2005 | 2 |
| 2006 | 6 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 3 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 2 |
| 2014 | 1 |
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2026 | 2 |
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\") = 1981
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 year(c."eventDate") = 1981
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 FTW82DPA08Accident · No injuriesClosedCessna 421B · Dallas, TXNTSB FTW82FQG11Accident · Minor injuriesClosedCessna 421 · Perryton, TXNTSB LAX82FA006Accident · 1 fatalClosedCessna 421B · Camarillo, CANTSB FTW81FPJ33Accident · Minor injuriesClosedCessna 421B · Yukon, OKNTSB DEN81FA025Accident · 2 fatalClosedCessna 421B · Lafayette, CO