# NTSB investigations: Cessna 421C: Loss of engine power(total) - mech failure/malf

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 FTW00FA245](https://openairdocs.org/ntsb/FTW00FA245.md): Cessna 421C · Hunt, TX · Accident · 1 fatal · Field investigation · Final report · Aug 24, 2000 · N421NT · Destroyed
  > the loss of left engine power as a result of the owner's failure to overhaul the engine before further flight after the lubrication system was found contaminated with metal. Contributing factors were the pilot's decision to fly the aircraft with a…
- [NTSB ANC95LA119](https://openairdocs.org/ntsb/ANC95LA119.md): Cessna 421C · Cordova, AK · Accident · 4 fatal · Limited investigation · Final report · Jul 29, 1995 · N800DD · Destroyed
  > Mechanical loss of engine power for undetermined reason(s), and subsequent in-flight collision with water (or ditching at sea).
- [NTSB LAX93LA051](https://openairdocs.org/ntsb/LAX93LA051.md): Cessna 421C · Santa Maria, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 22, 1992 · N52AK · Destroyed
  > 1) The internal failure of the left engine, left magneto due to inadequate maintenance and non compliance with the manufacturers service bulletins and recommendations, and 2) the failure of the pilot to attain the proper touchdown point during the landing…
- [NTSB ATL85FA221](https://openairdocs.org/ntsb/ATL85FA221.md): Cessna 421C · Kennesaw, GA · Accident · 1 fatal · Field investigation · Final report · Jul 19, 1985 · N5473G · Destroyed
  > The acft lost power on # 2 eng shortly after take-off. The acft crashed and burned in a wooded area several miles sw of the arpt. The # 2 eng was severly damaged in the fire. No pre-impact malfunction could be documented. Examination of the prop did not…
- [NTSB FTW85FA019](https://openairdocs.org/ntsb/FTW85FA019.md): Cessna 421C · Addison, TX · Accident · 1 fatal · Field investigation · Final report · Oct 18, 1984 · N121BT · Destroyed
  > Aprx 7 min after takeoff (at 1441), the plt declared an emergency & said the l eng had lost power. He feathered the eng,diverted back twd the arpt & dscndd to VFR conds below the clds. At 1448, the plt said he had the arpt in sight & turnedonto a left…

## 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" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076016&occurrence=351

---
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.