NTSB investigations: Cessna 421B, AL
6 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
| 1982 | 1 |
|---|---|
| 1984 | 1 |
| 1993 | 2 |
| 2012 | 1 |
| 2016 | 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\" = 'AL' 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" = 'AL' 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 ERA16LA171Accident · Minor injuriesLimited investigationFinal reportCessna 421 · Foley, ALThe pilot's failure to obtain proper takeoff speed before breaking ground, which resulted in the airplane’s failure to gain altitude and a collision with trees and terrain.NTSB ERA12LA589Accident · No injuriesLimited investigationFinal reportCessna 421B · Selma, ALThe pilot’s improper fuel management, which resulted in a total loss of engine power on the right engine and a partial loss of engine power on the left engine due to fuel starvation.NTSB ATL93LA108Accident · No injuriesLimited investigationFinal reportCessna 421B · Attalla, ALThe failure of the left engine turbocharger due to rotor shaft seizure, which resulted in a loss of engine power.NTSB ATL93LA081Accident · No injuriesLimited investigationFinal reportCessna 421B · Fort Payne, ALThe pilot's failure to compensate for winds during the initial takeoff that resulted in the airplane colliding with the runway, exceeding the design limits of the aircraft and upon landing at the destination airport, the collapse of the main landing gear.NTSB ATL84MA114Accident · 6 fatalMajor investigationFinal reportCessna 421B · Cullman, ALPlt cleared for night NDB rwy 19 apch to folwom field. Erratic radar track drg procedure turn and inbd intercept. Witnesses described 200 ft ceiling and reduced vis in fog at airport. Other witnesses observed acft on northbound course,followed by turn to west…NTSB ATL83FA073Accident · No injuriesField investigationFinal reportCessna 421B · Fort Payne, ALDuring landing the right main landing gear scissors bolt & bushing pulled through the scissors mount hole allowing the landing gear to rotate 90 deg. An incorrect washer (standard 5/16 in) had been installed in the scissors assembly duringrecent maintenance.…