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NTSB investigations: Cessna 421C, TX

22 cases on aircraft the registry lists as Cessna 421C. 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.

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19812026

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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" = 'TX' 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 ('2076016', '2076017')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\" = 'TX' 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 ('2076016', '2076017'))
  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" = 'TX' 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 ('2076016', '2076017'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 CEN26FA174Accident · 5 fatalClass 3 · FieldPreliminary reportCessna 421 · Wimberley, TXOn April 30, 2026, about 2303 central daylight time, a Cessna 421C airplane, N291AN, was destroyed when it was involved in an accident near Wimberley, Texas. The private pilot and four passengers were fatally injured. The airplane was operated under the…May 1, 2026 · N291AN · Destroyed NTSB CEN24LA061Accident · No injuriesClass 3 · LimitedFinal reportCessna 421C · McGregor, TXThe failure of the spring pin in the right propeller governor, which precluded the pilot from controlling the propeller pitch to maintain engine rpm, resulting in a loss of engine thrust, excessive drag, and the subsequent forced landing to a field.Dec 8, 2023 · N146TJ · Substantial damage NTSB CEN23FA038Accident · 1 fatalClass 3 · FieldFinal reportCessna 421C · Decatur, TXA loss of power on the left engine due to fuel starvation and the subsequent loss of power on the right engine for undetermined reasons.Nov 18, 2022 · N6797L · Destroyed NTSB CEN19FA082Accident · 2 fatalClass 2 · FieldFinal reportCessna 421 · Canadian, TXThe pilot's failure to maintain control of the airplane while in instrument meteorological conditions with icing conditions present, which resulted in an aerodynamic stall and spin into terrain.Feb 15, 2019 · N421NS · Destroyed NTSB CEN17FA167Accident · 1 fatalField investigationFinal reportCessna 421C · Huntsville, TXThe pilot's failure to identify the alternate runway, to perform a timely precautionary landing, and to maintain airplane control. Contributing to the accident was the failure of the left engine due to oil starvation for reasons that could not be determined…Apr 25, 2017 · N421TK · Destroyed NTSB CEN13LA208Accident · No injuriesLimited investigationFinal reportCessna 421C · Amarillo, TXMaintenance personnel's failure to detect the misadjustment of the left landing gear actuator's switch after recent maintenance, which prevented the landing gear from locking in the extended position and resulted in the landing gear collapsing during landing.Mar 27, 2013 · N805DC · Substantial damage NTSB CEN13FA073Accident · 1 fatalField investigationFinal reportCessna 421C · Wells, TXThe pilot’s decision to continue the flight into an area of extreme weather, which led to the in-flight encounter with a thunderstorm and structural failure of the wings and tail.Nov 27, 2012 · N67SR · Substantial damage NTSB CEN12CA644Accident · No injuriesData collectionFinal reportCessna 421C · Kenedy, TXThe pilot’s improper flare, which resulted in a hard landing and subsequent collapse of the landing gear.Sep 11, 2012 · N5534G · Substantial damage NTSB CEN09IA578Incident · No injuriesIncident investigationFinal reportCessna 421 · Sugar Land, TXThe improper installation of the pitch trim cable which resulted in it making improper contact with a guard pin that led to the fatigue failure of the cable.Sep 4, 2009 · N2349S · Minor damage NTSB DFW05LA045Accident · No injuriesLimited investigationFinal reportCessna 421C · Henderson, TXThe failure of the nose landing gear trunnion lug. A contributing factor was the non-compliance of the service bulletin by maintenance personnel.Dec 21, 2004 · N369RK · Substantial damage NTSB FTW04FA243Accident · 2 fatalField investigationFinal reportCessna 421C · Bee Caves, TXThe pilot's improper positioning of the fuel selector valves, which resulted in a loss of power to the left engine due to fuel exhaustion. After the power loss, the pilot failed to follow checklist procedures and did not secure (feather) the left propeller,…Sep 23, 2004 · N729DM · Destroyed NTSB FTW00FA245Accident · 1 fatalField investigationFinal reportCessna 421C · Hunt, TXthe loss of left engine power as a result of the owner's failure to overhaul the engine before further flight after the lubrication system was found contaminated with metal. Contributing factors were the pilot's decision to fly the aircraft with a…Aug 24, 2000 · N421NT · Destroyed NTSB FTW99LA059Accident · Minor injuriesLimited investigationFinal reportCessna 421C · Shelbyville, TXThe total failure of the aircraft's electrical system. Factors were the thunderstorms, the dusk light condition, and the lack of suitable terrain for the precautionary landing.Jan 1, 1999 · N234CG · Substantial damage NTSB FTW99LA012Accident · Minor injuriesLimited investigationFinal reportCessna 421C · Eagle Pass, TXA downdraft, which exceeded the aircraft's climb performance. A factor was the thunderstorms in the vicinity of the airport.Oct 18, 1998 · N19MH · Destroyed NTSB FTW94FA082Accident · 2 fatalField investigationFinal reportCessna 421C · San Antonio, TXImproper servicing of the airplane with jet fuel, which resulted in preignition and/or detonation and subsequent failure of pistons in both engines. A factor related to the accident was: the lack of a restrictive mating nozzle on the refueling truck.Feb 10, 1994 · N741CA · Destroyed 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…Jul 24, 1987 · N448 · Destroyed NTSB FTW85LA080Accident · No injuriesLimited investigationFinal reportCessna 421C · Vancourt, TXAfter a complete wx brf the plt departed into known IFR cond well below apch min at the dest arpt with inadequate fuel reserves and no field alternate. After 2 missed apchs the plts desired alternate was below minimums. En route to a second alternate airport…Dec 17, 1984 · N6865D · Substantial damage NTSB FTW85FA019Accident · 1 fatalField investigationFinal reportCessna 421C · Addison, TXAprx 7 min after takeoff (at 1441), the plt declared an emergency & said the l eng had lost power. He feathered the eng,diverted back twd the arpt & dscndd to VFR conds below the clds. At 1448, the plt said he had the arpt in sight & turnedonto a left…Oct 18, 1984 · N121BT · Destroyed 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…Sep 2, 1983 · N87546 · Substantial damage NTSB FTW83LA095Accident · No injuriesLimited investigationFinal reportCessna 421C · Houston, TXThe pilot stated that after a normal coupled ILS approach he broke out at about 250 ft AGL and 1/2 mile from the rwy. He disconnected the approach coupler and lined up with the rwy. He stated that during the transition from IFR to visual his rate of descent…Jan 7, 1983 · N448 · Substantial damage NTSB FTW81FRG66Accident · No injuriesClosedCessna 421C · Hebbronville, TXSep 24, 1981 · N5406J · Substantial damage NTSB FTW81DRG65Accident · No injuriesClosedCessna 421B · Crystal City, TXSep 6, 1981 · N448 · Substantial damage