NTSB investigations: Cessna 421B, CA
15 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
| 1974 | 2 |
|---|---|
| 1979 | 1 |
| 1981 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 2 |
| 1999 | 1 |
| 2003 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2017 | 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\" = 'CA' 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" = 'CA' 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 WPR17LA131Accident · No injuriesClass 3 · LimitedFinal reportCessna 421B · Carlsbad, CAThe right main landing gear collapse for undetermined reasons.NTSB WPR11IA213Incident · No injuriesIncident investigationFinal reportCessna 421B · Truckee, CAFatigue failure of the right flap extend cable during the landing approach.NTSB WPR10LA002Accident · No injuriesLimited investigationFinal reportCessna 421B · San Simeon, CAThe pilot's failure to follow the manufacturer’s checklist and set the parking brake.NTSB SEA07CA224Accident · No injuriesData collectionFinal reportCessna 421B · Oceanside, CAThe collapse of the right main landing gear during the landing roll for undetermined reason, which resulted in a loss of directional control and collision with a fence.NTSB LAX07FA035Accident · 3 fatalField investigationFinal reportCessna 421B · Big Bear Lake, CAFailure of the turbine wheel shaft in the left turbocharger during the takeoff initial climb for undetermined reasons, and the pilot's failure to attain and maintain safe single engine airspeed that led to a loss of control.NTSB LAX04FA031Accident · 5 fatalField investigationFinal reportCessna 421B · Kelso, CAThe pilot's continued VFR flight into instrument conditions between cloud layers and with reduced visibility due to smoke that resulted in an in-flight loss of control from spatial disorientation, and the structural overload of the airframe during the…NTSB LAX00LA004Accident · No injuriesLimited investigationFinal reportCessna 421B · Montague, CAThe collapse of the left main landing gear during the landing rollout for undetermined reasons, which resulted in the pilot's loss of directional control.NTSB LAX92LA279Accident · Serious injuriesLimited investigationFinal reportCessna 421B · Shelter Cove, CAThe pilot's inadequate preflight inspection of the aircraft and his failure to ensure that the control surface locks were removed prior to flight.NTSB LAX92FA260Accident · 3 fatalField investigationFinal reportCessna 421B · Monterey, CAThe owner/pilot's poor judgement in attempting an operation beyond his experience and ability, which resulted in his failure to attain an adequate climb profile necessary for terrain clearance. Also, the owner/pilot lacked instrument experience, and was…NTSB LAX92LA055Accident · No injuriesLimited investigationFinal reportCessna 421B · San Andreas, CAThe pilot's inadequate preflight inspection and his failure to follow the airplane's checklist. A contributing factor was the dark night condition.NTSB LAX90LA288Accident · No injuriesLimited investigationFinal reportCessna 421 · Concord, CAThe pilot's failure to follow the electrical system failure checklist. Contributing to this accident was the total electrical failure for undetermined reasons and the landing gear being unlocked.NTSB LAX82FA006Accident · 1 fatalClosedCessna 421B · Camarillo, CANTSB OAK79DVG24Accident · No injuriesClosedCessna 421 · Redding, CANTSB LAX75DUM08Accident · No injuriesClosedCessna 421B · Imperial, CANTSB LAX74DVM31Accident · No injuriesClosedCessna 195 · Paso Robles, CA