Fatal NTSB investigations: Cessna 421A
12 cases on aircraft the registry lists as Cessna 421A. 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
| 1971 | 1 |
|---|---|
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1979 | 1 |
| 1983 | 2 |
| 1987 | 1 |
| 1988 | 3 |
| 2010 | 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.\"highestInjuryLevel\" = 'Fatal'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076012'))
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."highestInjuryLevel" = 'Fatal'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076012'))
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 CEN10FA382Accident · 3 fatalField investigationFinal reportCessna 421 · Tulsa, OKThe pilot’s inadequate preflight fuel planning and management in-flight, which resulted in total loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot’s use of performance-impairing medications.NTSB LAX89FA030Accident · 1 fatalField investigationFinal reportCessna 421A · Cabazon, CAThe pilot's poor decision and misjudgement of distance. The separation of the cylinder, failure of the propeller to feather, and impact with wires and a residence were factors in the accident.NTSB MIA88RA139Accident · 5 fatalForeign investigationCessna 421A · Freeport, BahamasNTSB DEN88FA063Accident · 3 fatalField investigationFinal reportCessna 421A · Helena, MTThis accident occurred during a night, ILS app to rwy 27 in IMC. The acft collided with a mountain 12 NM ese of the arpt while turning inbound to intercept the LOC course. Investigation revealed that one VOR receiver was set on the destinaton ILS freq, the…NTSB ATL88FA059Accident · 2 fatalField investigationFinal reportCessna 421A · Hilton Head Isl, SCAcft depted coastal arpt at night with 400 ft partial obscuration in patchy fog. Ground witnesses who heard acft depicted a circling flt path to the right after takeoff. Eng, prop & turbo teardowns demonstrated both engs were operating at high power & no…NTSB DEN83FA193Accident · 1 fatalField investigationFinal reportCessna 421A · West Jordan, UTInvestigation revealed that the plt aborted two takeoff attempts due to a 'roughness' in one eng. Not able to duplicate the roughness during subsequent ground checks, the plt departed. At an alt of 300 AGL the left eng began to surge and the right eng,…NTSB ATL83AA235Accident · 8 fatalFinal reportCessna 421A · Atmore, ALAbout 20 mins after takeoff the plt reported the right eng had lost power & the acft would not maintain alt. Vectors were provided for an emergency landing, but the acft crashed in a wooded area about 3 mi from the arpt. There was evidence that the gear &…NTSB MKC79FA017Accident · 3 fatalClosedCessna 421A · Kansas City, MONTSB MIA75AM083Accident · 1 fatalClosedCessna 421A · Atlanta, GANTSB DEN74AD026Accident · 2 fatalClosedCessna 421A · Roosevelt, UTNTSB CHI72AC073Accident · 2 fatalClosedCessna 421A · Jefferson, OHNTSB MIA71AM093Accident · 4 fatalClosedCessna 421A · Conestee, SC