# NTSB investigations: Cessna 421C: Loss of engine power

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 CHI05FA212](https://openairdocs.org/ntsb/CHI05FA212.md): Cessna 421C · Wheeling, IL · Accident · Minor injuries · Field investigation · Final report · Aug 5, 2005 · N421KC · Destroyed
  > The pilot's improper in-flight decision to execute a go-around without raising the landing gear and raising the flaps to the full UP position, resulting in low airspeed and the airplane stalling. Contributing factors to the accident included the pilot's…
- [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 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 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 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 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 ATL86FA227](https://openairdocs.org/ntsb/ATL86FA227.md): Cessna 421C · Nashville, TN · Accident · No injuries · Field investigation · Final report · Aug 25, 1986 · N5299J · Substantial damage
  > During a normal takeoff the pilot experienced a dual engine failure about 10 feet above the runway. The pilot stated that he landed on the remaining runway and attempted an 80 degree left turn onto taxiway 'c'. The aircraft failed to negotiate the turn at the…

## 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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076016&occurrence=350

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