# NTSB investigations: Cessna 421C: Unknown or undetermined

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 CEN26FA174](https://openairdocs.org/ntsb/CEN26FA174.md): Cessna 421 · Wimberley, TX · Accident · 5 fatal · Class 3 · Field · Preliminary report · May 1, 2026 · N291AN · Destroyed
  > On April 30, 2026, about 2303 central daylight time, a Cessna 421C airplane, N291AN, was destroyed when it was involved in an accident near Wimberley, Texas. The private pilot and four passengers were fatally injured. The airplane was operated under the…
- [NTSB GAA24WA258](https://openairdocs.org/ntsb/GAA24WA258.md): Cessna 421C · Tofino, Canada · Accident · 3 fatal · Class 5 · Foreign · Jul 18, 2024 · N264DC
- [NTSB CEN23FA038](https://openairdocs.org/ntsb/CEN23FA038.md): Cessna 421C · Decatur, TX · Accident · 1 fatal · Class 3 · Field · Final report · Nov 18, 2022 · N6797L · Destroyed
  > A loss of power on the left engine due to fuel starvation and the subsequent loss of power on the right engine for undetermined reasons.
- [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 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.

## 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" = '000' 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/000/sequence?model=2076016

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