# NTSB investigations: Cessna 421B: Loss of engine power (total)

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 CEN22LA341](https://openairdocs.org/ntsb/CEN22LA341.md): Cessna 421B · Riverdale, NE · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 16, 2022 · N21GF · Substantial damage
  > A total loss of engine power as a result of fuel exhaustion.
- [NTSB CEN16FA013](https://openairdocs.org/ntsb/CEN16FA013.md): Cessna 421B · Hammond, LA · Accident · 2 fatal · Field investigation · Final report · Oct 14, 2015 · N33FA · Destroyed
  > The loss of right engine power on takeoff due to maintenance personnel's failure to properly tighten the crankcase through-studs during cylinder replacement, which resulted in crankshaft fracture. Also causal were the pilot's failure to feather the propeller…
- [NTSB CEN15LA354](https://openairdocs.org/ntsb/CEN15LA354.md): Cessna C421B · Clovis, NM · Accident · Serious injuries · Limited investigation · Final report · Aug 9, 2015 · N726JB · Substantial damage
  > The pilot's improper management of fuel to the left engine during approach for landing, which resulted in a total loss of left engine power due to fuel starvation, and his subsequent failure to maintain control during the final landing approach, which…
- [NTSB CEN15LA199](https://openairdocs.org/ntsb/CEN15LA199.md): Cessna 421B · Diboll, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 17, 2015 · N421PK · Substantial damage
  > The total loss of engine power due to the use of an improper fuel type. Contributing to the accident were the servicing of the airplane with the improper fuel, noncompliance with an airworthiness directive, and the fuel nozzle installed on the fueling truck.

## 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 ('2076014')
    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" = '341' 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/341/sequence?model=2076014

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