# NTSB investigations: Wright R-1820 series: 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 MIA05LA164](https://openairdocs.org/ntsb/MIA05LA164.md): North American T-28C · Arcadia, FL · Accident · No injuries · Limited investigation · Final report · Sep 30, 2005 · N176RD · Destroyed
  > A loss of engine power due to the failure of the master rod bearing.
- [NTSB MIA05FA123](https://openairdocs.org/ntsb/MIA05FA123.md): Douglas R4D-8 · Fort Lauderdale, FL · Accident · Serious injuries · Field investigation · Final report · Jun 13, 2005 · N3906J · Destroyed
  > The inadequate maintenance inspection by company maintenance personnel/pilot and other maintenance personnel of the left engine resulting in a total failure of the master rod bearing, and nose case partial separation, which prevented the left propeller from…
- [NTSB MIA04LA099](https://openairdocs.org/ntsb/MIA04LA099.md): North American T-28C · Deland, FL · Accident · No injuries · Limited investigation · Final report · Jun 20, 2004 · N28BZ · Substantial damage
  > A loss of engine power due to an engine master rod bearing failure for undetermined reasons, resulting in damage to the airplane during the subsequent forced landing.
- [NTSB CHI04LA147](https://openairdocs.org/ntsb/CHI04LA147.md): North American T-28C · Manitowoc, WI · Accident · No injuries · Limited investigation · Final report · Jun 4, 2004 · N404DK · Substantial damage
  > Failure of the number 4 piston articulating rod resulting in a complete loss of engine power during initial climb. The ditch was a contributing factor.
- [NTSB CHI02LA254](https://openairdocs.org/ntsb/CHI02LA254.md): Grumman C-1A · Roseville, IL · Accident · No injuries · Limited investigation · Final report · Aug 18, 2002 · N189G · Substantial damage
  > The failure and the resulting separation of the engine cylinder, which severed both electrical propeller control systems on the affected engine. A factor to the accident was the cornfield.

## 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.engine_model_code IN ('67020')
    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?engine=67020&occurrence=351

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