# NTSB investigations: Cessna 421C: Loss of control - in flight

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 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 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 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 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 MIA86FA014](https://openairdocs.org/ntsb/MIA86FA014.md): Cessna 421C · Ft.Lauderdale, FL · Accident · Minor injuries · Field investigation · Final report · Oct 18, 1985 · N657WM · Substantial damage
  > The acft crashed on the arpt during an on demand air taxi flt. The plt stated that on final apch he encountered turbulence and rain. As he broke out of the rain the glare from the sun interferred with his visual perception. A go around was attempted but the…
- [NTSB DEN85FA125](https://openairdocs.org/ntsb/DEN85FA125.md): Cessna 421C · Las Vegas, NM · Accident · Serious injuries · Field investigation · Final report · May 5, 1985 · N8343G · Substantial damage
  > The acft was landed in a pasture about 2 miles from the arpt after the acft began to descen 'behind the power curve' after takeoff. The plt said he used full power for takeoff but the takeoff was longer than normal. The da was computed to be 9286 ft. after…
- [NTSB CHI83FA383](https://openairdocs.org/ntsb/CHI83FA383.md): Cessna 421C · Centerto, IN · Accident · Serious injuries · Field investigation · Final report · Aug 16, 1983 · N386G · Destroyed
  > The plt reported that during a climb after takeoff, he engaged the autopilot. While making an entry on a trip sheet, he felt a bump & noted that the acft had started to descend. He disengaged the autopilot & the nose pitched down violently. Reducing power had…

## 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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076016&occurrence=250

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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.
