NTSB investigations: Cessna 421C
5 cases on aircraft the registry lists as Cessna 421C, where the first occurrence was “In flight collision with object”. 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 |
|---|---|
| 1986 | 1 |
| 1987 | 1 |
| 1992 | 1 |
| 2005 | 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 ('2076016', '2076017')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 220))
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 ('2076016', '2076017')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 220))
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 CHI05FA056Accident · 5 fatalField investigationFinal reportCessna 421C Riley Turbine E · Overland Park, KSThe pilot's failure to maintain adequate altitude/clearance during cruise flight, resulting in collision with trees. Contributing factors were the low altitude and low ceiling.NTSB LAX92FA082Accident · 4 fatalField investigationFinal reportCessna 421C · Mammoth Lakes, CAThe failure of the pilot to plan and conduct his departure flight to avoid high mountainous terrain, during which the pilot became lost/disoriented. Contributing to the accident was self induced pressure to depart before the arrival of a snow storm.NTSB FTW87FA174Accident · 1 fatalField investigationFinal reportCessna 421C · Crystal City, TXThe pilot landed downwind on his private strip. The exact amount of the tailwind could not be determined. A thunderstorm was located just to the east of the runway and could have readily given N448 a strong tailwind. The aircraft touched down 390 feet beyond…NTSB LAX86FA314Accident · 1 fatalField investigationFinal reportCessna 421C · Callahan, CAAfter dropping company executives off at medford, the pilot was to return to santa rosa empty. Witnesses along the 25 NM valley which ends at the accident site reported that the aircraft buzzed their locations at AGL altitudes variously described as '10 feet'…NTSB FTW83LA412Accident · No injuriesLimited investigationFinal reportCessna 421C · Port Lavaca, TXThe acft collided with a fence and bushes during takeoff. The rwy was shell and turf construction 2300 ft long. The plt figured the takeoff distance from a chart using dry hard surfaced level rwy. The acceleration seemed slow according to a witness and the…