# NTSB investigations: Cessna 421C, 2017

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 ERA18LA033](https://openairdocs.org/ntsb/ERA18LA033.md): Cessna 421 · Presque Isle, ME · Accident · Minor injuries · Limited investigation · Final report · Nov 22, 2017 · N421RX · Substantial damage
  > The in-flight leakage of fuel from the fuel injection system's mixture shaft onto the hot turbocharger, which resulted in an in-flight fire, and the pilot's inability to see the runway due to reduced visibility conditions and conduct a successful landing.
- [NTSB CEN17FA248](https://openairdocs.org/ntsb/CEN17FA248.md): Cessna 421C · Catawba, WI · Accident · 6 fatal · Field investigation · Final report · Jul 1, 2017 · N2655B · Destroyed
  > A loss of control and subsequent in-flight breakup for reasons that could not be determined based on the available information.
- [NTSB CEN17FA167](https://openairdocs.org/ntsb/CEN17FA167.md): Cessna 421C · Huntsville, TX · Accident · 1 fatal · Field investigation · Final report · Apr 25, 2017 · N421TK · Destroyed
  > The pilot's failure to identify the alternate runway, to perform a timely precautionary landing, and to maintain airplane control. Contributing to the accident was the failure of the left engine due to oil starvation for reasons that could not be determined…
- [NTSB WPR17LA051](https://openairdocs.org/ntsb/WPR17LA051.md): Cessna 421C · Jackson, CA · Accident · No injuries · Limited investigation · Final report · Jan 7, 2017 · N71RC · Substantial damage
  > The failure of the right main landing gear torque link bolt in overstress, which resulted in the collapse of the landing gear during the landing roll.

## 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 year(c."eventDate") = 2017
  AND 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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076016&year=2017

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