# NTSB investigations: Cessna 421C: Collision with terr/obj (non-CFIT) 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. ## Latest cases - [NTSB CEN24FA228](https://openairdocs.org/ntsb/CEN24FA228.md): Cessna 421 · Steamboat Springs, CO · Accident · 2 fatal · Class 3 · Field · Final report · Jun 17, 2024 · N245T · Destroyed > The pilot’s failure to maintain sufficient airspeed following a loss of engine power, which resulted in an inadvertent aerodynamic stall/spin at low altitude. - [NTSB WPR21FA270](https://openairdocs.org/ntsb/WPR21FA270.md): Cessna 421C · Monterey, CA · Accident · 2 fatal · Class 3 · Field · Final report · Jul 13, 2021 · N678SW · Destroyed > The pilot’s failure to maintain airplane control due to spatial disorientation during an instrument departure procedure in instrument meteorological conditions which resulted in a collision with terrain. Contributing to the accident was the pilot’s lack of… - [NTSB WPR18LA166](https://openairdocs.org/ntsb/WPR18LA166.md): Cessna 421C · Plant City, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 11, 2018 · N13RF · Substantial damage > The pilot's delayed decision to abort the takeoff, which resulted in a runway overrun. Contributing to the accident was an engine anomaly for reasons that could not be determined based on the available information, and the pilot's failure to activate the… - [NTSB CEN17FA167](https://openairdocs.org/ntsb/CEN17FA167.md): Cessna 421C · Huntsville, TX · Accident · 1 fatal · Field investigation · Final report · Apr 25, 2017 · N421TK · Destroyed > The 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… - [NTSB WPR17LA051](https://openairdocs.org/ntsb/WPR17LA051.md): Cessna 421C · Jackson, CA · Accident · No injuries · Limited investigation · Final report · Jan 7, 2017 · N71RC · Substantial damage > The failure of the right main landing gear torque link bolt in overstress, which resulted in the collapse of the landing gear during the landing roll. - [NTSB CEN14FA462](https://openairdocs.org/ntsb/CEN14FA462.md): Cessna 421C · Las Cruces, NM · Accident · 4 fatal · Field investigation · Final report · Aug 28, 2014 · N51RX · Destroyed > The misfueling of the airplane with jet fuel instead of the required aviation fuel, and the resultant detonation and a total loss of engine power during initial climb. Contributing to the accident were the line service technician's inadvertent misfueling of… - [NTSB CEN13WA566](https://openairdocs.org/ntsb/CEN13WA566.md): Cessna 421 - C · Colombier-Saugnieu, France · Accident · 4 fatal · Foreign investigation · Sep 24, 2013 · N556MB · Destroyed - [NTSB CEN13FA509](https://openairdocs.org/ntsb/CEN13FA509.md): Cessna 421C · Paris, IL · Accident · 1 fatal · Field investigation · Final report · Aug 27, 2013 · N229H · Destroyed > The pilot's failure to abort the takeoff during the ground roll after detecting the airplane's degraded performance. Contributing to the accident was the pilot's decision to attempt a flight with a known problem with the left engine and the likely partial… - [NTSB WPR13FA234](https://openairdocs.org/ntsb/WPR13FA234.md): Cessna 421C · Floriston, CA · Accident · 1 fatal · Field investigation · Final report · May 16, 2013 · N421W · Destroyed > The pilot's failure to maintain airplane control during descent while operating in instrument meteorological conditions. - [NTSB ERA13FA082](https://openairdocs.org/ntsb/ERA13FA082.md): Cessna 421C · Lake Worth, FL · Accident · 1 fatal · Field investigation · Final report · Dec 8, 2012 · N297DB · Substantial damage > The pilot's failure to follow established engine-out procedures and to maintain a proper airspeed after the total loss of engine power on one of the airplane’s two engines during the initial climb. Contributing to the accident was the total loss of engine… - [NTSB WPR13FA037](https://openairdocs.org/ntsb/WPR13FA037.md): Cessna 421C · Shaver Lake, CA · Accident · 2 fatal · Field investigation · Final report · Nov 11, 2012 · N700EM · Substantial damage > The pilot's failure to regain airplane control following a sudden rapid descent during cruise, which resulted in an in-flight breakup. Contributing to the accident was the pilot's decision to make the flight with a failed vacuum pump, particularly at high… - [NTSB ERA12LA290](https://openairdocs.org/ntsb/ERA12LA290.md): Cessna 421C · Accident · 1 fatal · Limited investigation · Final report · Apr 19, 2012 · N48DL · Substantial damage > Pilot incapacitation, which resulted in the pilot’s inability to maintain airplane control and the airplane’s subsequent ocean impact. - [NTSB CEN12FA100](https://openairdocs.org/ntsb/CEN12FA100.md): Cessna 421C · Sioux Falls, SD · Accident · 4 fatal · Field investigation · Final report · Dec 9, 2011 · N421SY · Substantial damage > The pilot’s failure to maintain adequate airspeed after shutting down one engine, which resulted in an inadvertent aerodynamic stall and impact with terrain. Contributing to the accident was the pilot’s failure to follow the guidance contained in the pilot’s… - [NTSB ERA11FA391](https://openairdocs.org/ntsb/ERA11FA391.md): Cessna 421C · Demopolis, AL · Accident · 7 fatal · Field investigation · Final report · Jul 9, 2011 · N692TT · Substantial damage > The pilot's failure to maintain airplane control during a single-engine approach and his failure to fly an appropriate traffic pattern for a single-engine landing. Contributing to the accident was a total loss of engine power on the right engine due to a… - [NTSB CEN11FA201](https://openairdocs.org/ntsb/CEN11FA201.md): Cessna 421C · Connersville, IN · Accident · 1 fatal · Field investigation · Final report · Feb 24, 2011 · N3875C · Substantial damage > The pilot did not maintain control of the airplane while making a low-altitude turn during dark night conditions. ## 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') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-events/470/sequence?model=2076016 --- 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.