# NTSB investigations: Aero Commander S2R: 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 CEN21LA133](https://openairdocs.org/ntsb/CEN21LA133.md): Aero Commander S2R · Alamo, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 9, 2021 · N5679X · Substantial damage
  > The partial loss of engine power due to water-contaminated fuel.
- [NTSB ERA19LA238](https://openairdocs.org/ntsb/ERA19LA238.md): Aero Commander S2R · Cuthbert, GA · Accident · No injuries · Class 3 · Limited · Final report · Jul 25, 2019 · N5680X · Substantial damage
  > The failure of the No. 1 bearing due to fatigue which resulted in a partial loss of engine power. The reason for the bearing failure could not be determined based on the available information.
- [NTSB CEN18LA278](https://openairdocs.org/ntsb/CEN18LA278.md): Aero Commander S2R · Vinton, IA · Accident · No injuries · Class 3 · Limited · Final report · Jul 17, 2018 · N5553X · Substantial damage
  > Loss of throttle control input due to a failure in the throttle control system. Contributing to the accident was the inadequate inspection and reinstallation of worn parts by maintenance personnel.
- [NTSB CEN11CA637](https://openairdocs.org/ntsb/CEN11CA637.md): Aero Commander S2R · Park Rapids, MN · Accident · No injuries · Data collection · Final report · Sep 1, 2011 · N8962Q · Substantial damage
  > The loss of engine power for undetermined reasons.

## 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 ('0143022')
    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" = '342' 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/342/sequence?model=0143022

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