# NTSB investigations: Lycoming O-320-E2D: 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 CEN24LA301](https://openairdocs.org/ntsb/CEN24LA301.md): Tailwind W10 · West Livingston, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 3, 2024 · N129WT · Substantial damage
  > A partial loss of engine power due to carburetor ice.
- [NTSB WPR13LA224](https://openairdocs.org/ntsb/WPR13LA224.md): Cessna 172M · Lakeport, CA · Accident · No injuries · Limited investigation · Final report · Apr 29, 2013 · N20800 · Substantial damage
  > Loss of engine power during climb due to a failure of the No. 2 piston assembly; the reason for the failure could not be determined because of the extent of damage to the piston assembly.
- [NTSB WPR12LA141](https://openairdocs.org/ntsb/WPR12LA141.md): Grimm RV-9A · Santa Maria, CA · Accident · No injuries · Limited investigation · Final report · Mar 20, 2012 · N629BJ · Substantial damage
  > A partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination and testing did not reveal any anomalies that would have precluded normal operation.

## 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 ('42123')
    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=42123

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