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NTSB investigations: Cessna 421B, TX

23 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.

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Cases per year

19722026

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Latest cases

Query with SQL

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 ('2076014')) 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 ('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" = '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 ('2076014'))
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 GAA18CA390Accident · No injuriesData collectionFinal reportCessna 421 · Clifton, TXThe pilot's improper landing flare in crosswind conditions, which resulted in a hard landing.Jul 1, 2018 · N7625Q · Substantial damage NTSB GAA16CA042Accident · No injuriesData collectionFinal reportCessna 421 · Amarillo, TXThe loss of directional control during taxi to the runway as a result of insufficient brake fluid level in the right brake master cylinder, resulting in a taxiway excursion and collision with a drainage culvert.Oct 14, 2015 · N19CH · Substantial damage NTSB CEN15LA199Accident · Serious injuriesLimited investigationFinal reportCessna 421B · Diboll, TXThe total loss of engine power due to the use of an improper fuel type. Contributing to the accident were the servicing of the airplane with the improper fuel, noncompliance with an airworthiness directive, and the fuel nozzle installed on the fueling truck.Apr 17, 2015 · N421PK · Substantial damage NTSB CEN12FA606Accident · Serious injuriesField investigationFinal reportCessna 421B · Fort Worth, TXThe pilot's failure to maintain airplane control on takeoff, which resulted in an inadvertent stall. Contributing to the accident were the unlatched nose cargo door, the pilot’s diverted attention, and the pilot's mental ability to handle the emergency…Sep 5, 2012 · N69924 · Substantial damage NTSB CEN12CA104Accident · No injuriesData collectionFinal reportCessna 421B · Pampa, TXThe pilot's inadequate aircraft control during landing, which resulted in a hard landing.Dec 9, 2011 · N421CE · Substantial damage NTSB CEN10MA367Accident · 5 fatalMajor investigationFinal reportCessna 421B · Alpine, TXThe degraded performance of the airplane due to the pilot not properly setting the flaps and retracting the landing gear after takeoff. Contributing to the accident was the pilot’s fatigue.Jul 4, 2010 · N31AS · Substantial damage NTSB CEN09LA284Accident · Minor injuriesLimited investigationFinal reportCessna 421B · Alpine, TXThe loss of engine power due to disengagement of the magneto idler gear support pin.May 8, 2009 · N60HG · Substantial damage NTSB DFW07CA038Accident · No injuriesData collectionFinal reportCessna 421 · Brackettville, TXThe pilot's failure to maintain proper runway alignment on final approach and his delayed decision to execute a go-around. Factors were the dark night conditions and the inoperative runway edge lights.Dec 16, 2006 · N642CB · Destroyed NTSB FTW02LA269Accident · No injuriesLimited investigationFinal reportCessna 421B · Mineral Wells, TXThe pilot's failure to maintain a proper descent rate which resulted hard landing and a subsequent failure of the main landing gear.Sep 28, 2002 · N7926R · Substantial damage NTSB FTW01LA186Accident · No injuriesLimited investigationFinal reportCessna 421B · New Braunfels, TXthe pilot's inadequate flare of the airplane resulting in a hard landing. A contributing factor was the crosswind.Aug 17, 2001 · N5286Z · Substantial damage NTSB FTW90LA154Accident · No injuriesLimited investigationFinal reportCessna 421B · El Paso, TXThe pilot's improper single engine emergency procedures.Aug 8, 1990 · N469RJ · Substantial damage NTSB FTW89LA062Accident · No injuriesLimited investigationFinal reportCessna 421B · San Antonio, TXThe failure of the pilot to follow the proper procedures/directives by not following the glideslope which resulted in not being able to attain the proper touchdown point.Mar 3, 1989 · N5999M · Destroyed NTSB FTW86FPA17Accident · Serious injuriesFinal reportCessna 421 · Alvord, TXThe acft collided with tree tops and sheared the landing gear during a forced landing off arpt. The left eng had been feathered due to loss of oil from a ruptured oil hose between the oil pump & filter. The rt eng was not developing full power because of an…Feb 22, 1986 · N8155Q · Substantial damage NTSB FTW85LQG01Accident · No injuriesFinal reportCessna 421B · Amarillo, TXThe acft ground looped following a collapse of the left main gear after a landing roll of aprx 600 to 700 ft. post accident inspection of the gear revealed a bolt had backed out of the gear down lock arm where it locks overcenter.Apr 19, 1985 · N3380Q · Substantial damage NTSB FTW84FA296Accident · No injuriesField investigationFinal reportCessna 421B · El Paso, TXFirst evidence of landing gear tire marks were found aprx 4,000 ft down the rwy, right of centerline and continued until the acft rolled off the right side of the rwy. All 3 landing gear collapsed in the soft dirt and gravel. According to the plt, when the…Jun 30, 1984 · N554 · Substantial damage NTSB FTW82IA331Incident · Minor injuriesIncident investigationFinal reportCessna 421B · El Paso, TXN1969J is a 1974 Cessna 421B modified by a riley conversion kit. The aircraft was descending through about 1900 ft MSL when, without previous warning, it yawed left. The pilot reported that the acft then immediately yawed severely to the right and began to…Aug 16, 1982 · N1969J · Minor damage NTSB FTW82DPA08Accident · No injuriesClosedCessna 421B · Dallas, TXDec 26, 1981 · N5943M · Substantial damage NTSB FTW82FQG11Accident · Minor injuriesClosedCessna 421 · Perryton, TXDec 12, 1981 · N7574Q · Destroyed NTSB FTW79IA103Incident · No injuriesClosedCessna 421B · Friendswood, TXAug 30, 1979 · N421HC · Minor damage NTSB FTW79DRA03Accident · No injuriesClosedCessna 421B · Wichita Falls, TXNov 12, 1978 · N1588G · Substantial damage NTSB FTW77FRA35Accident · No injuriesClosedCessna 421B · Houston, TXSep 23, 1977 · N5998M · Substantial damage NTSB FTW76AF091Accident · 1 fatalClosedCessna 421B · Follett, TXApr 29, 1976 · N71HG · Destroyed NTSB FTW73AF026Accident · 2 fatalClosedCessna 421 · Fort Hancock, TXOct 29, 1972 · N5959M · Destroyed