# NTSB investigations: Cessna 421

A list on [Cessna 421](https://openairdocs.org/model/cessna-421.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 2 · 62 investigations

- [NTSB CEN23LA267](https://openairdocs.org/ntsb/CEN23LA267.md): Cessna 421 · Rockport, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 24, 2023 · N123SM · Substantial damage
  > The failure of the left engine starter adapter gear, which resulted in catastrophic damage to other engine components, and the subsequent loss of engine power.
- [NTSB ERA19FA283](https://openairdocs.org/ntsb/ERA19FA283.md): Cessna 421 · Deland, FL · Accident · 3 fatal · Class 3 · Field · Final report · Sep 29, 2019 · N731PF · Destroyed
  > The pilot’s failure to maintain control of the airplane, which resulted in a collision with terrain. Contributing was the pilot’s lack of training and experience in the accident airplane make and model.
- [NTSB CEN14LA256](https://openairdocs.org/ntsb/CEN14LA256.md): Cessna 421 · Horseshoe Bay, TX · Accident · No injuries · Limited investigation · Final report · Apr 22, 2014 · N866BS · Substantial damage
  > The failure of the drive mechanism for the gearbox motor, which resulted in the gear not extending for the landing.
- [NTSB CHI07LA154](https://openairdocs.org/ntsb/CHI07LA154.md): Cessna 421 · Chesterfield, MO · Accident · Serious injuries · Limited investigation · Final report · May 23, 2007 · N4082L · Substantial damage
  > Maintenance personnel failed to comply with an Airworthiness Directive which resulted in the total failure of the starter adapter gear teeth and the crankshaft gear teeth and the pilot failed to follow the published emergency procedures. Contributing to the…
- [NTSB SEA07LA055](https://openairdocs.org/ntsb/SEA07LA055.md): Cessna 421 · Pocatello, ID · Accident · No injuries · Limited investigation · Final report · Jan 30, 2007 · N4584L · Substantial damage
  > The separation of the bolt that attaches the elevator trim tab actuator rod to the elevator trim tab horn, resulting in violent flutter of the elevator, and eventually to the separation of the inboard half of the right elevator.
- [NTSB DEN05FA038](https://openairdocs.org/ntsb/DEN05FA038.md): Cessna 421 · Englewood, CO · Accident · 3 fatal · Field investigation · Final report · Dec 17, 2004 · N421FR · Destroyed
  > loss of engine power due to fuel starvation, and the instructor's failure to maintain aircraft control. Contributing factors were a partially blocked fuel line resulting in restricted fuel flow, the instructor's failure to perform critical emergency…
- [NTSB IAD03FA032](https://openairdocs.org/ntsb/IAD03FA032.md): Cessna 421 · Ferguson, KY · Accident · 3 fatal · Field investigation · Final report · Feb 17, 2003 · N421TJ · Destroyed
  > The pilot's failure to follow the instrument approach procedure, which resulted in an early descent into trees and terrain. Factors included the low ceiling and the night lighting conditions.
- [NTSB DEN03FA025](https://openairdocs.org/ntsb/DEN03FA025.md): Cessna 421 · Akron, CO · Accident · 2 fatal · Field investigation · Final report · Dec 25, 2002 · N421D · Destroyed
  > The fractured connecting rods and the pilot not maintaining aircraft control following the engine failure. Factors contributing to the accident were the low altitude, the pilot not maintaining minimum controllable airspeed following the engine failure, the…
- [NTSB ATL01FA036](https://openairdocs.org/ntsb/ATL01FA036.md): Cessna 421 · Munford, AL · Accident · 5 fatal · Field investigation · Final report · Feb 14, 2001 · N5AY · Destroyed
  > The pilot continued visual flight into instrument weather conditions that resulted in the inflight collision with a river bank. Factors were reduced visibility and dark night.
- [NTSB CHI98FA187](https://openairdocs.org/ntsb/CHI98FA187.md): Cessna 421 · Little Falls, MN · Accident · 1 fatal · Field investigation · Final report · Jun 1, 1998 · N541N · Destroyed
  > the pilot's continued operation with a known deficiency in equipment.
- [NTSB FTW97FA130](https://openairdocs.org/ntsb/FTW97FA130.md): Cessna 421 · League City, TX · Accident · 1 fatal · Field investigation · Final report · Mar 20, 1997 · N4050L · Substantial damage
  > The pilot's failure to refuel the airplane which resulted in the loss of power to the right engine due to fuel exhaustion, and the pilot's failure to maintain airspeed during the single engine landing approach which resulted in a stall/spin.
- [NTSB CHI96FA146](https://openairdocs.org/ntsb/CHI96FA146.md): Cessna 421 · Bernard, IA · Accident · 3 fatal · Field investigation · Final report · Apr 29, 1996 · N341DA · Destroyed
  > the pilot's operation of the airplane with known deficiencies, subsequent loss of oil from the left engine, and the pilot's failure to maintain minimum controllable airspeed (VMC), while diverting to an alternate airport. Factors relating to the accident…
- [NTSB SEA95LA194](https://openairdocs.org/ntsb/SEA95LA194.md): Cessna 421 · Creswell, OR · Accident · No injuries · Limited investigation · Final report · Aug 18, 1995 · N3121K · Substantial damage
  > the company mechanic's failure to properly fabricate a fuel line.
- [NTSB MIA94LA019](https://openairdocs.org/ntsb/MIA94LA019.md): Cessna 421 · Miami, FL · Accident · No injuries · Limited investigation · Final report · Nov 10, 1993 · N1600B · Substantial damage
  > Failure of the pilot-in-command to obtain the proper assistance after being notified of a fuel leak from the left wing fuel tanks after refueling.
- [NTSB DEN91LA066](https://openairdocs.org/ntsb/DEN91LA066.md): Cessna 421 · Englewood, CO · Accident · Minor injuries · Limited investigation · Final report · May 1, 1991 · N18DF · Substantial damage
  > Power loss on both engines as a result of exhaust system failure.
- [NTSB LAX91LA142](https://openairdocs.org/ntsb/LAX91LA142.md): Cessna 421 · El Monte, CA · Accident · No injuries · Limited investigation · Final report · Mar 23, 1991 · N4071L · Substantial damage
  > The pilot retracting the landing gear during the landing roll.
- [NTSB FTW89LA135](https://openairdocs.org/ntsb/FTW89LA135.md): Cessna 421 · Okmulgee, OK · Accident · Serious injuries · Limited investigation · Final report · Jul 13, 1989 · N699PC · Substantial damage
  > Failure of the nose gear extension assembly and the pilot's improper precautionary landing procedures that included securing the engines prior to a point where a safe landing was assured.
- [NTSB LAX89LA217](https://openairdocs.org/ntsb/LAX89LA217.md): Cessna 421 · Picacho, AZ · Accident · Minor injuries · Limited investigation · Final report · Jun 17, 1989 · N421S · Destroyed
  > Failure of the number three exhaust valve on the left engine. A major factor was the high density altitude where the airplane would not operate on single engine.
- [NTSB FTW89FA074](https://openairdocs.org/ntsb/FTW89FA074.md): Cessna 421 · Brownsville, TX · Accident · 1 fatal · Field investigation · Final report · Mar 29, 1989 · N4595L · Destroyed
  > The pilot's improper emergency procedure after lossing power in the right engine, and his failure to maintain minimum control speed (VMC), which resulted in a loss of aircraft control. Factors related to the accident were: fuel starvation of the right engine,…
- [NTSB NYC88FA181](https://openairdocs.org/ntsb/NYC88FA181.md): Cessna 421 · Taunton, MA · Accident · 1 fatal · Field investigation · Final report · Jul 14, 1988 · N825DW · Destroyed
  > Bfr rchg his destn, the plt adzd apch ctl that his rgt eng was 'blowing some smoke' & losing oil pressure. Vectors were provided for a visual apch, but there were low clouds in the area & vis was restricted due to haze. After reaching the vcnty of the arpt,…
- [NTSB MIA87FA239](https://openairdocs.org/ntsb/MIA87FA239.md): Cessna 421 · Coral Springs, FL · Accident · 1 fatal · Field investigation · Final report · Sep 2, 1987 · N421DT · Destroyed
  > The acft had been abandoned in the Bahamas for aprx 7 months. A plt, with no known flt time in a Cessna 421, flew it to ft lauderdale. Except to avoid clds, he made the flt at a low alt & airspeed. When asked why, he said he was trying to save the engs. The…
- [NTSB FTW86FA133](https://openairdocs.org/ntsb/FTW86FA133.md): Cessna 421 · Addison, TX · Accident · 4 fatal · Field investigation · Final report · Jul 19, 1986 · N6VR · Destroyed
  > Witnesses reported a normal takeoff and climb was made to an alt of aprx 400 ft AGL at which time eng pwr ceased/ decreased. The rt wing then dropped, the nose and lt wing rose and the acft entered a near vertical descent to ground impact. Post accident exam…
- [NTSB FTW85LA218](https://openairdocs.org/ntsb/FTW85LA218.md): Cessna 421 · Mckinney, TX · Accident · No injuries · Limited investigation · Final report · May 10, 1985 · N888K · Substantial damage
  > After landing while taxiing on the rwy, the acft's nose wheel started bogging down in soft asphalt on the rwy. The soft asphalt was pushed along in front of the wheel until it caused enough resistance to overstress the nose gear causing it to collapse. The…
- [NTSB CHI84FA303](https://openairdocs.org/ntsb/CHI84FA303.md): Cessna 421 · Birchwood, WI · Accident · 3 fatal · Field investigation · Final report · Jul 20, 1984 · N14TC · Destroyed
  > During flt, the plt transmitted to ARTCC 'we've got a problem, we're losing altitude.' The controller provided a vector to the nearest arpt, but shortly after that, the plt stated that he would not be able to reach the arpt. The plt did not inform ARTCC of…
- [NTSB LAX83LA168](https://openairdocs.org/ntsb/LAX83LA168.md): Piper PA-28-161 · Glendale, AZ · Accident · No injuries · Limited investigation · Final report · Mar 29, 1983 · N81191 · Substantial damage
  > The pilot reported performing a normal preflight and run-up. No water was observed in the fuel during preflight. Full power was applied and the acft accelerated to 55 KTS. As the acft rotated and climb attitude established the engine sputtered. The pilot…
- [NTSB ATL83LA120](https://openairdocs.org/ntsb/ATL83LA120.md): Cessna 421 · Dayton, TN · Accident · No injuries · Limited investigation · Final report · Feb 24, 1983 · N123SM · Substantial damage
  > The Cessna 421 collided with trees during the landing approach while on a corporate flight. The weather was IMC at the accident site and the acft was on an IFR flight plan. The acft was substantially damaged but the pilot was not injured. The acft contacted…
- [NTSB CHI82FA209](https://openairdocs.org/ntsb/CHI82FA209.md): Cessna 421 · Racine, WI · Accident · No injuries · Field investigation · Final report · Jun 15, 1982 · N421CB · Substantial damage
  > The plt stated he experienced moderate to severe turbulence enroute. A coupled ILS approach was flown without problems, but the plt stated he had to work hard. The flt broke out at about 1,000 ft MSL & at this time he acquired visual contact with the rwy. He…
- [NTSB CHI82FA091](https://openairdocs.org/ntsb/CHI82FA091.md): Cessna 421 · Richmond, IN · Accident · 1 fatal · Field investigation · Final report · Mar 18, 1982 · N33KC · Destroyed
  > During a VOR approach to runway 05 when 3 miles away from the airport at minimums ground contact was not made. The pilot stated that she elected to perform a missed approach but before power was applied the copilot raised the flaps. She further stated that…
- [NTSB CHI81FEV31](https://openairdocs.org/ntsb/CHI81FEV31.md): Cessna 421 · Springfield, IL · Accident · No injuries · Closed · Aug 16, 1981 · N14TC · Substantial damage
- [NTSB LAX81FUA13](https://openairdocs.org/ntsb/LAX81FUA13.md): Cessna 421 · Long Beach, CA · Accident · Minor injuries · Closed · Aug 9, 1981 · N19RJ · Destroyed
- [NTSB ATL81FKG20](https://openairdocs.org/ntsb/ATL81FKG20.md): Cessna 421 · Statesboro, GA · Accident · No injuries · Closed · May 29, 1981 · N76ES · Substantial damage
- [NTSB MKC81FA035](https://openairdocs.org/ntsb/MKC81FA035.md): Cessna 421 · Spencer, IA · Accident · No injuries · Closed · May 18, 1981 · N1600B · Substantial damage
- [NTSB MIA81FA042](https://openairdocs.org/ntsb/MIA81FA042.md): Cessna 421 · Ft Lauderdale, FL · Accident · 6 fatal · Closed · Feb 3, 1981 · N4484 · 2 aircraft · Destroyed
- [NTSB MIA80DLE06](https://openairdocs.org/ntsb/MIA80DLE06.md): Cessna 421 · Orlando, FL · Accident · No injuries · Closed · Sep 22, 1980 · N66PC · Substantial damage
- [NTSB LAX80FUG58](https://openairdocs.org/ntsb/LAX80FUG58.md): Cessna 421 · Palm Springs, CA · Accident · No injuries · Closed · Sep 19, 1980 · N4091L · Destroyed
- [NTSB LAX80FUQ22](https://openairdocs.org/ntsb/LAX80FUQ22.md): Cessna 421A · Lancaster, CA · Accident · No injuries · Closed · Aug 17, 1980 · N3138K · Substantial damage
- [NTSB SEA80FYK13](https://openairdocs.org/ntsb/SEA80FYK13.md): Cessna 421 · Redmond, OR · Accident · Minor injuries · Closed · Aug 11, 1980 · N3150K · Substantial damage
- [NTSB IAD79FID24](https://openairdocs.org/ntsb/IAD79FID24.md): Cessna 421 · Norfolk, VA · Accident · Serious injuries · Closed · Aug 5, 1979 · N3126K · Destroyed
- [NTSB IAD79FA046](https://openairdocs.org/ntsb/IAD79FA046.md): Cessna 421 · Sevierville, TN · Accident · No injuries · Closed · May 4, 1979 · N123SM · Substantial damage
- [NTSB FTW79FRG25](https://openairdocs.org/ntsb/FTW79FRG25.md): Cessna 421 · Lakeway, TX · Accident · No injuries · Closed · Apr 9, 1979 · N4584L · Substantial damage
- [NTSB UNK79X0106](https://openairdocs.org/ntsb/UNK79X0106.md): Cessna 421 · Bezier, France · Accident · No injuries · Closed · Dec 7, 1978 · N4589L · Substantial damage
- [NTSB MKC77FCD26](https://openairdocs.org/ntsb/MKC77FCD26.md): Cessna 421 · Cedar Rapids, IA · Accident · No injuries · Closed · Jul 1, 1977 · N4048L · Substantial damage
- [NTSB FTW76FPD27](https://openairdocs.org/ntsb/FTW76FPD27.md): Cessna 421 · Iowa Park, TX · Accident · Minor injuries · Closed · Jan 28, 1976 · N3160K · Substantial damage
- [NTSB NYC76AN036](https://openairdocs.org/ntsb/NYC76AN036.md): Dassault Falcon · Warwick, RI · Accident · No injuries · Closed · Sep 27, 1975 · N25FE · Substantial damage
- [NTSB NYC75AN037](https://openairdocs.org/ntsb/NYC75AN037.md): Cessna 421 · Westfield, MA · Accident · Minor injuries · Closed · Sep 13, 1974 · N3160K · Substantial damage
- [NTSB MKC74FCG43](https://openairdocs.org/ntsb/MKC74FCG43.md): Cessna 421 · Springfield, MO · Accident · No injuries · Closed · Jun 14, 1974 · N4572L · Substantial damage
- [NTSB MKC74AK056](https://openairdocs.org/ntsb/MKC74AK056.md): Cessna 421 · Bunker, MO · Accident · 5 fatal · Closed · Mar 29, 1974 · N3139K · Destroyed
- [NTSB NYC74FHJ20](https://openairdocs.org/ntsb/NYC74FHJ20.md): Cessna 421 · Farmingdale, NY · Accident · No injuries · Closed · Jan 27, 1974 · N3126K · Substantial damage
- [NTSB FTW74FPM18](https://openairdocs.org/ntsb/FTW74FPM18.md): Cessna 411 · Tulsa, OK · Accident · Minor injuries · Closed · Jan 11, 1974 · N4005L · Destroyed
- [NTSB CHI74AC042](https://openairdocs.org/ntsb/CHI74AC042.md): Cessna 421 · Plymouth, IN · Accident · 5 fatal · Closed · Nov 14, 1973 · N550T · Destroyed

Next page: https://openairdocs.org/model/cessna-421/ntsb.md?page=2

## 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_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 ('2076010')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/cessna-421/ntsb

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