# Fatal NTSB investigations: Cessna 421A

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 CEN10FA382](https://openairdocs.org/ntsb/CEN10FA382.md): Cessna 421 · Tulsa, OK · Accident · 3 fatal · Field investigation · Final report · Jul 11, 2010 · N88DF · Substantial damage
  > The pilot’s inadequate preflight fuel planning and management in-flight, which resulted in total loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot’s use of performance-impairing medications.
- [NTSB LAX89FA030](https://openairdocs.org/ntsb/LAX89FA030.md): Cessna 421A · Cabazon, CA · Accident · 1 fatal · Field investigation · Final report · Nov 2, 1988 · N3385Q · Destroyed
  > The pilot's poor decision and misjudgement of distance. The separation of the cylinder, failure of the propeller to feather, and impact with wires and a residence were factors in the accident.
- [NTSB MIA88RA139](https://openairdocs.org/ntsb/MIA88RA139.md): Cessna 421A · Freeport, Bahamas · Accident · 5 fatal · Foreign investigation · Apr 4, 1988 · N42A
- [NTSB DEN88FA063](https://openairdocs.org/ntsb/DEN88FA063.md): Cessna 421A · Helena, MT · Accident · 3 fatal · Field investigation · Final report · Feb 4, 1988 · N517S · Destroyed
  > This accident occurred during a night, ILS app to rwy 27 in IMC. The acft collided with a mountain 12 NM ese of the arpt while turning inbound to intercept the LOC course. Investigation revealed that one VOR receiver was set on the destinaton ILS freq, the…
- [NTSB ATL88FA059](https://openairdocs.org/ntsb/ATL88FA059.md): Cessna 421A · Hilton Head Isl, SC · Accident · 2 fatal · Field investigation · Final report · Dec 11, 1987 · N777RC · Destroyed
  > Acft depted coastal arpt at night with 400 ft partial obscuration in patchy fog. Ground witnesses who heard acft depicted a circling flt path to the right after takeoff. Eng, prop & turbo teardowns demonstrated both engs were operating at high power & no…
- [NTSB DEN83FA193](https://openairdocs.org/ntsb/DEN83FA193.md): Cessna 421A · West Jordan, UT · Accident · 1 fatal · Field investigation · Final report · Aug 20, 1983 · N2239Q · Destroyed
  > Investigation revealed that the plt aborted two takeoff attempts due to a 'roughness' in one eng. Not able to duplicate the roughness during subsequent ground checks, the plt departed. At an alt of 300 AGL the left eng began to surge and the right eng,…
- [NTSB ATL83AA235](https://openairdocs.org/ntsb/ATL83AA235.md): Cessna 421A · Atmore, AL · Accident · 8 fatal · Final report · Jun 22, 1983 · N2960Q · Destroyed
  > About 20 mins after takeoff the plt reported the right eng had lost power & the acft would not maintain alt. Vectors were provided for an emergency landing, but the acft crashed in a wooded area about 3 mi from the arpt. There was evidence that the gear &…
- [NTSB MKC79FA017](https://openairdocs.org/ntsb/MKC79FA017.md): Cessna 421A · Kansas City, MO · Accident · 3 fatal · Closed · Feb 22, 1979 · N77PM · Destroyed
- [NTSB MIA75AM083](https://openairdocs.org/ntsb/MIA75AM083.md): Cessna 421A · Atlanta, GA · Accident · 1 fatal · Closed · May 28, 1975 · N4006L · Destroyed
- [NTSB DEN74AD026](https://openairdocs.org/ntsb/DEN74AD026.md): Cessna 421A · Roosevelt, UT · Accident · 2 fatal · Closed · Nov 21, 1973 · N2217Q · Destroyed
- [NTSB CHI72AC073](https://openairdocs.org/ntsb/CHI72AC073.md): Cessna 421A · Jefferson, OH · Accident · 2 fatal · Closed · Mar 15, 1972 · N3390Q · Destroyed
- [NTSB MIA71AM093](https://openairdocs.org/ntsb/MIA71AM093.md): Cessna 421A · Conestee, SC · Accident · 4 fatal · Closed · May 2, 1971 · N3194K · Destroyed

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076012'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=2076012

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