# NTSB investigations: Lycoming O-320 series: Loss of engine power (partial)

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 CEN23LA009](https://openairdocs.org/ntsb/CEN23LA009.md): Yates Mike E Roaring Eagle · Stanwood, IA · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 9, 2022 · N181MY · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack in the traffic pattern, which resulted in an aerodynamic stall and loss of airplane control at too low of an altitude to recover. Contributing to the accident was the partial loss of engine…
- [NTSB WPR15LA162](https://openairdocs.org/ntsb/WPR15LA162.md): Earl Allen Miglet · Corning, CA · Accident · No injuries · Limited investigation · Final report · May 16, 2015 · N414US · Substantial damage
  > The partial loss of engine power during initial climb due to a loose set screw, which allowed the throttle cable rig within the connector to slip.
- [NTSB LAX08CA143](https://openairdocs.org/ntsb/LAX08CA143.md): Mason RV-9A · Pacific City, OR · Accident · No injuries · Data collection · Final report · May 17, 2008 · N486EM · Substantial damage
  > The pilot's inadequate flare and failure to maintain control following a hard landing. Contributing to the accident was a temporary partial loss of power due to carburetor icing conditions.

## 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 ('42389')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '342'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/342/cases?engine=42389

---
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.
