# NTSB investigations: Cessna 421C NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 2 of 3 · 133 cases ## Cases, newest first - [NTSB DFW05LA045](https://openairdocs.org/ntsb/DFW05LA045.md): Cessna 421C · Henderson, TX · Accident · No injuries · Limited investigation · Final report · Dec 21, 2004 · N369RK · Substantial damage > The failure of the nose landing gear trunnion lug. A contributing factor was the non-compliance of the service bulletin by maintenance personnel. - [NTSB FTW04FA243](https://openairdocs.org/ntsb/FTW04FA243.md): Cessna 421C · Bee Caves, TX · Accident · 2 fatal · Field investigation · Final report · Sep 23, 2004 · N729DM · Destroyed > The 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 LAX04FA066](https://openairdocs.org/ntsb/LAX04FA066.md): Cessna 421C · Claremont, CA · Accident · 1 fatal · Field investigation · Final report · Dec 15, 2003 · N6887L · Destroyed > the 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 ANC03FA066](https://openairdocs.org/ntsb/ANC03FA066.md): Cessna 421C · Sitka, AK · Accident · 5 fatal · Field investigation · Final report · Jul 4, 2003 · N777DX · Destroyed > The 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 LAX03LA106](https://openairdocs.org/ntsb/LAX03LA106.md): Cessna 421C · Crescent City, CA · Accident · No injuries · Limited investigation · Final report · Mar 5, 2003 · N26533 · Substantial damage > The 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 FTW03FA055](https://openairdocs.org/ntsb/FTW03FA055.md): Cessna 421C · Tajique, NM · Accident · 1 fatal · Field investigation · Final report · Dec 4, 2002 · N3855C · Destroyed > The 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 NYC02LA190](https://openairdocs.org/ntsb/NYC02LA190.md): Cessna 421 · Ithaca, NY · Accident · No injuries · Limited investigation · Final report · Sep 15, 2002 · N23RL · Substantial damage > The pilot's failure to maintain directional control during the landing roll. A factor in the accident was the wet runway. - [NTSB MIA02LA089](https://openairdocs.org/ntsb/MIA02LA089.md): Cessna 421C · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Apr 25, 2002 · N237SM · Substantial damage > the 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 SEA02LA046](https://openairdocs.org/ntsb/SEA02LA046.md): Cessna 421C · Hailey, ID · Accident · No injuries · Limited investigation · Final report · Mar 2, 2002 · N421DG · Substantial damage > Water 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 LAX01LA169](https://openairdocs.org/ntsb/LAX01LA169.md): Cessna 421C · Angwin, CA · Accident · Minor injuries · Limited investigation · Final report · May 9, 2001 · N26560 · Substantial damage > Right main landing gear brake lockup during landing rollout for undetermined reasons. - [NTSB FTW00FA245](https://openairdocs.org/ntsb/FTW00FA245.md): Cessna 421C · Hunt, TX · Accident · 1 fatal · Field investigation · Final report · Aug 24, 2000 · N421NT · Destroyed > the 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 DEN00LA026](https://openairdocs.org/ntsb/DEN00LA026.md): Cessna 421C · Gillette, WY · Accident · No injuries · Limited investigation · Final report · Dec 11, 1999 · N3912C · Substantial damage > The collision with a deer on the runway during a night landing. A factor was the dark night. - [NTSB LAX99FA310](https://openairdocs.org/ntsb/LAX99FA310.md): Cessna 421C · Santa Monica, CA · Accident · Minor injuries · Field investigation · Final report · Sep 23, 1999 · N26585 · Substantial damage > The 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 MIA99FA180](https://openairdocs.org/ntsb/MIA99FA180.md): Cessna 421C · Charlotte, NC · Accident · 4 fatal · Field investigation · Final report · Jun 14, 1999 · N421LL · Destroyed > The 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 FTW99LA059](https://openairdocs.org/ntsb/FTW99LA059.md): Cessna 421C · Shelbyville, TX · Accident · Minor injuries · Limited investigation · Final report · Jan 1, 1999 · N234CG · Substantial damage > The 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 FTW99LA012](https://openairdocs.org/ntsb/FTW99LA012.md): Cessna 421C · Eagle Pass, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 18, 1998 · N19MH · Destroyed > A downdraft, which exceeded the aircraft's climb performance. A factor was the thunderstorms in the vicinity of the airport. - [NTSB NYC98LA057](https://openairdocs.org/ntsb/NYC98LA057.md): Cessna 421C · Elkins, WV · Accident · Minor injuries · Limited investigation · Final report · Dec 28, 1997 · N1348T · Destroyed > The 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 SEA97LA058](https://openairdocs.org/ntsb/SEA97LA058.md): Cessna 421C · Cedar City, UT · Accident · No injuries · Limited investigation · Final report · Feb 6, 1997 · N45MV · Substantial damage > water 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 ATL97LA022](https://openairdocs.org/ntsb/ATL97LA022.md): Cessna 421C · St. Petersburg, FL · Accident · Serious injuries · Limited investigation · Final report · Dec 8, 1996 · N5195C · Substantial damage > improper installation of the new starter adapter by maintenance personnel. - [NTSB LAX96LA296](https://openairdocs.org/ntsb/LAX96LA296.md): Cessna 421C · Avalon, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 4, 1996 · N6209V · Substantial damage > the 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 FTW96FA073](https://openairdocs.org/ntsb/FTW96FA073.md): Cessna 421C · Cleveland, OK · Accident · 6 fatal · Field investigation · Final report · Dec 21, 1995 · N421EP · Destroyed > the 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 CHI96FA017](https://openairdocs.org/ntsb/CHI96FA017.md): Cessna 421C · Battle Creek, MI · Accident · 1 fatal · Field investigation · Final report · Oct 22, 1995 · N421TV · Destroyed > the 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 LAX95FA321](https://openairdocs.org/ntsb/LAX95FA321.md): Cessna 421C · Phoenix, AZ · Accident · 2 fatal · Field investigation · Final report · Sep 2, 1995 · N3911C · Destroyed > The 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 LAX95FA319](https://openairdocs.org/ntsb/LAX95FA319.md): Cessna 421C · Beaver Dam, AZ · Accident · 8 fatal · Field investigation · Final report · Sep 2, 1995 · N6234G · Destroyed > Failure 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 LAX95LA315](https://openairdocs.org/ntsb/LAX95LA315.md): Cessna 421C · Chinle, AZ · Accident · No injuries · Limited investigation · Final report · Aug 28, 1995 · N745CA · Substantial damage > the 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 ANC95LA119](https://openairdocs.org/ntsb/ANC95LA119.md): Cessna 421C · Cordova, AK · Accident · 4 fatal · Limited investigation · Final report · Jul 29, 1995 · N800DD · Destroyed > Mechanical loss of engine power for undetermined reason(s), and subsequent in-flight collision with water (or ditching at sea). - [NTSB FTW95FA130](https://openairdocs.org/ntsb/FTW95FA130.md): Cessna 421C · El Prado, NM · Accident · 4 fatal · Field investigation · Final report · Mar 5, 1995 · N421BL · Destroyed > The 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 CHI95LA073](https://openairdocs.org/ntsb/CHI95LA073.md): Cessna 421C · Angola, IN · Accident · No injuries · Limited investigation · Final report · Jan 21, 1995 · N421AW · Substantial damage > Overload failure of the right main landing gear shock strut sleeve for an unknown reason. - [NTSB LAX94LA302](https://openairdocs.org/ntsb/LAX94LA302.md): Cessna 421C · Polacca, AZ · Accident · No injuries · Limited investigation · Final report · Jul 29, 1994 · N985RA · Substantial damage > the 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 CHI94LA250](https://openairdocs.org/ntsb/CHI94LA250.md): Cessna 421C · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 29, 1994 · N819RA · Substantial damage > the pilot-in-command's misjudging the flare and his failure to maintain airspeed. - [NTSB LAX94FA257](https://openairdocs.org/ntsb/LAX94FA257.md): Cessna 421C · Carlsbad, CA · Accident · 2 fatal · Field investigation · Final report · Jun 15, 1994 · N421AG · Destroyed > A loss of engine power for undetermined reasons. The pilot's failure to raise the flaps and maintain altitude were factors in the accident. - [NTSB BFO94WA088](https://openairdocs.org/ntsb/BFO94WA088.md): Cessna CE-421C · Ingolstadt, Germany · Accident · No injuries · Foreign investigation · Mar 30, 1994 · N26563 · Substantial damage - [NTSB FTW94FA082](https://openairdocs.org/ntsb/FTW94FA082.md): Cessna 421C · San Antonio, TX · Accident · 2 fatal · Field investigation · Final report · Feb 10, 1994 · N741CA · Destroyed > Improper 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 CHI94MA072](https://openairdocs.org/ntsb/CHI94MA072.md): Cessna 421C · Mccook, NE · Accident · 2 fatal · Major investigation · Final report · Jan 26, 1994 · N5468G · Destroyed > Improper 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 MIA94FA057](https://openairdocs.org/ntsb/MIA94FA057.md): Cessna 421C · Titusville, FL · Accident · 3 fatal · Field investigation · Final report · Jan 21, 1994 · N777BE · Destroyed > Failure 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 LAX93FA149](https://openairdocs.org/ntsb/LAX93FA149.md): Cessna 421C · Eagle Mountain, CA · Accident · 3 fatal · Field investigation · Final report · Mar 12, 1993 · N2656N · Destroyed > Failure 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 SEA93FA035](https://openairdocs.org/ntsb/SEA93FA035.md): Cessna 421C · Wilsonville, OR · Accident · 2 fatal · Field investigation · Final report · Dec 13, 1992 · N98489 · Destroyed > The pilot-in-command's failure to maintain control of the aircraft. - [NTSB LAX93LA051](https://openairdocs.org/ntsb/LAX93LA051.md): Cessna 421C · Santa Maria, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 22, 1992 · N52AK · Destroyed > 1) 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#09](https://openairdocs.org/ntsb/LAX92TL%2309.md): Cessna 421C · Window Rock, AZ · Accident · No injuries · Class 3 · Final report · Jun 11, 1992 · N6115C · Substantial damage - [NTSB ATL92FA039](https://openairdocs.org/ntsb/ATL92FA039.md): Cessna 421C · Atlantic Ocean (Atlantic Ocean) · Accident · 5 fatal · Field investigation · Final report · Jan 13, 1992 · N40JK · Destroyed > 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 LAX92FA082](https://openairdocs.org/ntsb/LAX92FA082.md): Cessna 421C · Mammoth Lakes, CA · Accident · 4 fatal · Field investigation · Final report · Jan 5, 1992 · N2654M · Destroyed > The 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 CHI92LA046](https://openairdocs.org/ntsb/CHI92LA046.md): Cessna 421 · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · Dec 5, 1991 · N777RA · Substantial damage > The pilot's failure to maintain directional control of the airplane during landing. A factor contributing to the accident was the icy runway. - [NTSB LAX92LA007](https://openairdocs.org/ntsb/LAX92LA007.md): Cessna 421C · Santa Monica, CA · Accident · No injuries · Limited investigation · Final report · Oct 5, 1991 · N5486G · 2 aircraft · Minor damage > The failure of the pilot of the other aircraft to maintain an adequate visual lookout while taxiing his aircraft. - [NTSB DEN91FA056](https://openairdocs.org/ntsb/DEN91FA056.md): Cessna 421C · Cortez, CO · Accident · 5 fatal · Field investigation · Final report · Mar 29, 1991 · N3851C · Destroyed > The pilot's improper IFR procedures. Factors were: the existing weather conditions and the pilot's failure to obtain a preflight briefing. - [NTSB LAX90LA259](https://openairdocs.org/ntsb/LAX90LA259.md): Cessna 421C · Lancaster, CA · Accident · No injuries · Limited investigation · Final report · Jul 18, 1990 · N6089X · Substantial damage > The 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 DEN90FA085](https://openairdocs.org/ntsb/DEN90FA085.md): Cessna 421-C · Boulder, CO · Accident · 2 fatal · Field investigation · Final report · Apr 1, 1990 · N2655V · Destroyed > A loss of airplane control as a result control interference by the passenger following a struggle between the pilot and the passenger. - [NTSB MIA88WA249](https://openairdocs.org/ntsb/MIA88WA249.md): Cessna 421C · Marsh Harbour, Bahamas · Accident · Serious injuries · Foreign investigation · Aug 9, 1988 · N98427 · Destroyed - [NTSB LAX88FA215](https://openairdocs.org/ntsb/LAX88FA215.md): Cessna 421C · Shaver Lake, CA · Accident · 4 fatal · Field investigation · Final report · May 29, 1988 · N98683 · Destroyed > Inflight 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 LAX87FA306](https://openairdocs.org/ntsb/LAX87FA306.md): Cessna 421C · Clifton, AZ · Accident · No injuries · Field investigation · Final report · Aug 16, 1987 · N26596 · Destroyed > The 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 FTW87FA174](https://openairdocs.org/ntsb/FTW87FA174.md): Cessna 421C · Crystal City, TX · Accident · 1 fatal · Field investigation · Final report · Jul 24, 1987 · N448 · Destroyed > The 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… Next page: https://openairdocs.org/ntsb.md?model=2076016&page=3 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```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."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 ``` This list as a web page: https://openairdocs.org/ntsb?model=2076016&page=2 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.