Cessna 421C
NTSB investigations · 133
Matched to the registry by N-number and event date, newest first.
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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
WHERE a.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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('2076016', '2076017')
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 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.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,…NTSB LAX04FA066Accident · 1 fatalField investigationFinal reportCessna 421C · Claremont, CAthe pilot became lost/disoriented during the approach, failed to maintain course alignment with the missed approach procedure, and subsequently lost control of the airplane.NTSB ANC03FA066Accident · 5 fatalField investigationFinal reportCessna 421C · Sitka, AKThe pilot's failure to follow IFR procedures by not following the published approach procedures, which resulted in an in-flight collision with terrain. Factors contributing to the accident were a low ceiling, and the pressure induced by conditions/events (the…NTSB LAX03LA106Accident · No injuriesLimited investigationFinal reportCessna 421C · Crescent City, CAThe separation of the upper and lower right main landing gear scissor links due to improper maintenance, which resulted in a ground loop, and the collapse of the right main landing gear during the landing roll.NTSB FTW03FA055Accident · 1 fatalField investigationFinal reportCessna 421C · Tajique, NMThe pilot's failure to maintain terrain clearance. Factors contributing to the accident were the high mountains, mountain obscuration, the dark night condition, and the pilot's improper in-flight planning/decision making.NTSB NYC02LA190Accident · No injuriesLimited investigationFinal reportCessna 421 · Ithaca, NYThe pilot's failure to maintain directional control during the landing roll. A factor in the accident was the wet runway.NTSB MIA02LA089Accident · No injuriesLimited investigationFinal reportCessna 421C · Tampa, FLthe fracture of the landing gear upper barrel due to fatigue cracking, caused by improper machining after the barrel was assembled during the manufacturing process, resulting in damage to the airplane.NTSB SEA02LA046Accident · No injuriesLimited investigationFinal reportCessna 421C · Hailey, IDWater contamination within the aircraft's landing gear hydraulic line(s) which froze and blocked the line(s) preventing extension of the right main gear. A factor was the below freezing environmental conditions which the aircraft was operating in prior to and…NTSB LAX01LA169Accident · Minor injuriesLimited investigationFinal reportCessna 421C · Angwin, CARight main landing gear brake lockup during landing rollout for undetermined reasons.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…NTSB DEN00LA026Accident · No injuriesLimited investigationFinal reportCessna 421C · Gillette, WYThe collision with a deer on the runway during a night landing. A factor was the dark night.NTSB LAX99FA310Accident · Minor injuriesField investigationFinal reportCessna 421C · Santa Monica, CAThe failure of the pilot to establish and maintain a stabilized approach, which resulted in a hard landing and on-ground collision with the airport VASI display.NTSB MIA99FA180Accident · 4 fatalField investigationFinal reportCessna 421C · Charlotte, NCThe failure of the pilot to shutdown the right engine and feather the propeller after a reported loss of power in the engine shortly after takeoff resulting in the airplane descending, colliding with trees and then the ground.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.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.NTSB NYC98LA057Accident · Minor injuriesLimited investigationFinal reportCessna 421C · Elkins, WVThe flight instructor's failure to identify an unsafe runway condition and his delay in aborting the takeoff. Contributing was the aircraft's maximum takeoff weight exceeded, and a snow-covered runway.NTSB SEA97LA058Accident · No injuriesLimited investigationFinal reportCessna 421C · Cedar City, UTwater contamination in the hydraulic system, which froze in the (right) main gear hydraulic actuator, and restricted movement of the (right) main gear retraction and extension system.NTSB ATL97LA022Accident · Serious injuriesLimited investigationFinal reportCessna 421C · St. Petersburg, FLimproper installation of the new starter adapter by maintenance personnel.NTSB LAX96LA296Accident · Serious injuriesLimited investigationFinal reportCessna 421C · Avalon, CAthe pilot's failure to initiate a go-around when a landing overshoot became apparent. Factors which contributed to the accident were: the pilot's excessive airspeed and misjudged distance during landing, his lack of flying experience in the Cessna, and…NTSB FTW96FA073Accident · 6 fatalField investigationFinal reportCessna 421C · Cleveland, OKthe pilot's continued VFR flight into instrument meteorological conditions (IMC), and his failure to maintain control of the airplane after encountering adverse weather conditions, which resulted in a stall/spin. Factors relating to the accident were: pilot…NTSB CHI96FA017Accident · 1 fatalField investigationFinal reportCessna 421C · Battle Creek, MIthe pilot's decision to fly in adverse weather (icing) conditions; the accumulation of airframe ice; and the pilot's failure to maintain adequate airspeed for the situation, which resulted in a loss of aircraft control. The icing condition was a related…NTSB LAX95FA321Accident · 2 fatalField investigationFinal reportCessna 421C · Phoenix, AZThe pilot's failure to maintain positive aircraft control, a proper airspeed and fly a proper approach path during final approach. Contributing factors to the accident were the pilot's physiological condition, impairment as a result of using a sedating…NTSB LAX95FA319Accident · 8 fatalField investigationFinal reportCessna 421C · Beaver Dam, AZFailure of the pilot to maintain adequate airspeed, while maneuvering on approach, which resulted in an inadvertent stall/spin and uncontrolled collision with terrain. Factors relating to the accident were: the pilot allowed the aircraft weight and balance…NTSB LAX95LA315Accident · No injuriesLimited investigationFinal reportCessna 421C · Chinle, AZthe pilot's selection of a runway inappropriate for the tailwind condition and his resultant failure to achieve a touchdown point which would allow the aircraft to stop prior to over running the departure end. The rough condition of the dirt runway, the lack…NTSB ANC95LA119Accident · 4 fatalLimited investigationFinal reportCessna 421C · Cordova, AKMechanical loss of engine power for undetermined reason(s), and subsequent in-flight collision with water (or ditching at sea).NTSB FTW95FA130Accident · 4 fatalField investigationFinal reportCessna 421C · El Prado, NMThe pilot's decision to continue flight into known adverse weather conditions and the ensuing inadvertent stall due to airframe ice. Factors were the weather conditions.NTSB CHI95LA073Accident · No injuriesLimited investigationFinal reportCessna 421C · Angola, INOverload failure of the right main landing gear shock strut sleeve for an unknown reason.NTSB LAX94LA302Accident · No injuriesLimited investigationFinal reportCessna 421C · Polacca, AZthe pilot's attempt to make a 180-degree turn in soft sand at a speed which imposed side loading on the nose gear. Factors were the pilot's decision to continue the approach beyond the planned touchdown point, the effect of the runway surface on braking…NTSB CHI94LA250Accident · No injuriesLimited investigationFinal reportCessna 421C · Oshkosh, WIthe pilot-in-command's misjudging the flare and his failure to maintain airspeed.NTSB LAX94FA257Accident · 2 fatalField investigationFinal reportCessna 421C · Carlsbad, CAA loss of engine power for undetermined reasons. The pilot's failure to raise the flaps and maintain altitude were factors in the accident.NTSB BFO94WA088Accident · No injuriesForeign investigationCessna CE-421C · Ingolstadt, GermanyNTSB 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.NTSB CHI94MA072Accident · 2 fatalMajor investigationFinal reportCessna 421C · Mccook, NEImproper in-flight planning/decision by the pilot, and the accumulation of airframe ice, which resulted in an inadvertent stall. Factors associated with the accident were: partial failure of both alternators, which resulted in a subsequent electrical system…NTSB MIA94FA057Accident · 3 fatalField investigationFinal reportCessna 421C · Titusville, FLFailure of the pilot-in-command to maintain VMC resulting in the inflight loss of control. Contributing to the accident was the fatigue failure of a section of pipe adjacent to a flange which connects to the turbocharger oil outlet of the left engine assembly.NTSB LAX93FA149Accident · 3 fatalField investigationFinal reportCessna 421C · Eagle Mountain, CAFailure of the left elevator for undetermined reason(s), which resulted in flutter and failure of the empennage, and subsequent uncontrolled collision with the terrain.NTSB SEA93FA035Accident · 2 fatalField investigationFinal reportCessna 421C · Wilsonville, ORThe pilot-in-command's failure to maintain control of the aircraft.NTSB LAX93LA051Accident · Serious injuriesLimited investigationFinal reportCessna 421C · Santa Maria, CA1) The internal failure of the left engine, left magneto due to inadequate maintenance and non compliance with the manufacturers service bulletins and recommendations, and 2) the failure of the pilot to attain the proper touchdown point during the landing…NTSB LAX92TL#09Accident · No injuriesClass 3Final reportCessna 421C · Window Rock, AZNTSB ATL92FA039Accident · 5 fatalField investigationFinal reportCessna 421C · Atlantic Ocean (Atlantic Ocean)The pilot's inadequate weather evaluation, and his continued flight into known adverse weather conditions. Factors were: the improper weather briefing by a flight service station specialist, and level iii thunderstorms.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 CHI92LA046Accident · No injuriesLimited investigationFinal reportCessna 421 · Wheeling, ILThe pilot's failure to maintain directional control of the airplane during landing. A factor contributing to the accident was the icy runway.NTSB LAX92LA007Accident · No injuriesLimited investigationFinal reportCessna 421C · Santa Monica, CAThe failure of the pilot of the other aircraft to maintain an adequate visual lookout while taxiing his aircraft.NTSB DEN91FA056Accident · 5 fatalField investigationFinal reportCessna 421C · Cortez, COThe pilot's improper IFR procedures. Factors were: the existing weather conditions and the pilot's failure to obtain a preflight briefing.NTSB LAX90LA259Accident · No injuriesLimited investigationFinal reportCessna 421C · Lancaster, CAThe accident was eroded ignition spark plug electrodes and maintenance personnel neglecting to adjust spark plug electrodes and maintenance personnel neglecting to adjust spark plug gap. The rough terrain in which the aircraft landed was a factor in the…NTSB DEN90FA085Accident · 2 fatalField investigationFinal reportCessna 421-C · Boulder, COA loss of airplane control as a result control interference by the passenger following a struggle between the pilot and the passenger.NTSB MIA88WA249Accident · Serious injuriesForeign investigationCessna 421C · Marsh Harbour, BahamasNTSB LAX88FA215Accident · 4 fatalField investigationFinal reportCessna 421C · Shaver Lake, CAInflight encounter with forcasted severe icing and turbulence beyond the capability of either the aircraft or the pilot , which led to an inflgiht loss of control. Factors in the accident were the pilots lack of understanding of high altitude flight aspects…NTSB LAX87FA306Accident · No injuriesField investigationFinal reportCessna 421C · Clifton, AZThe flt deptd ry 25 at greenlee cty arpt, Clifton, AZ on a VFR flt to phoenix, AZ. The plt & gnd witnesses rptd that shortly after lift-off, grayish/white smoke emanated from the left engine. The plt was unable to feather the prop, circled the arpt abt 2…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…
Back to Cessna 421C