# NTSB investigations: Pratt & Whitney R1340 series, AR: 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 CEN24LA313](https://openairdocs.org/ntsb/CEN24LA313.md): Grumman G164 · Dyess, AR · Accident · No injuries · Class 3 · Limited · Final report · Aug 9, 2024 · N6569 · Substantial damage
  > The improper overhaul of the carburetor and the malfunction of left magneto which resulted in a partial loss of engine power.
- [NTSB CEN14LA301](https://openairdocs.org/ntsb/CEN14LA301.md): Grumman Acft ENG Cor-Schweizer G-164B · Lake City, AR · Accident · No injuries · Limited investigation · Final report · Jun 18, 2014 · N993QC · Substantial damage
  > The partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN11LA610](https://openairdocs.org/ntsb/CEN11LA610.md): Grumman Acft ENG Cor-Schweizer G-164A · Monette, AR · Accident · No injuries · Limited investigation · Final report · Aug 29, 2011 · N48378 · Substantial damage
  > The fracture of the throttle cable in tensile overstress because of wear damage, which resulted in the partial loss of engine power.
- [NTSB CEN11CA006](https://openairdocs.org/ntsb/CEN11CA006.md): Rockwell International S-2R · Texarkana, AR · Accident · No injuries · Data collection · Final report · Oct 5, 2010 · N8432V · Substantial damage
  > The loss of engine power due to cracked engine cylinder.
- [NTSB CEN10CA582](https://openairdocs.org/ntsb/CEN10CA582.md): Air Tractor AT-301 · Atkins, AR · Accident · No injuries · Data collection · Final report · Sep 17, 2010 · N2309F · Substantial damage
  > A partial loss of engine power during low-altitude flight 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."eventStateOrRegion" = 'AR' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')
    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=52016&state=AR

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