# NTSB investigations: Pratt & Whitney R1340 series, MN: Loss of engine power

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 CHI06CA222](https://openairdocs.org/ntsb/CHI06CA222.md): Rockwell S2R · Park Rapids, MN · Accident · Minor injuries · Data collection · Final report · Jul 30, 2006 · N7982V · Substantial damage
  > A loss of engine power for undetermined reasons and the inadequate airspeed during the forced landing which resulted in a stall/mush. A factor was the low altitude at which the airplane was being operated.
- [NTSB CHI03LA106](https://openairdocs.org/ntsb/CHI03LA106.md): Aero Commander S2R · Benson, MN · Accident · No injuries · Limited investigation · Final report · Apr 13, 2003 · N5519X · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CHI97LA204](https://openairdocs.org/ntsb/CHI97LA204.md): Grumman-Schweizer G-164B · Donnelly, MN · Accident · No injuries · Limited investigation · Final report · Jul 7, 1997 · N6633K · Substantial damage
  > undetermined event resulting in the broken connecting rod and cylinder.
- [NTSB MKC89LA091](https://openairdocs.org/ntsb/MKC89LA091.md): Air Tractor AT-301 · Roseau, MN · Accident · No injuries · Limited investigation · Final report · Apr 15, 1989 · N23702 · Substantial damage
  > Fuel starvation due to fuel ice.
- [NTSB CHI84LA262](https://openairdocs.org/ntsb/CHI84LA262.md): Grumman G-164A · Mahnomen, MN · Accident · No injuries · Limited investigation · Final report · Jun 26, 1984 · N6584 · Substantial damage
  > Shortly after taking off, the eng lost power. The plt stated that the eng stopped completely 'like fuel starvation.' He dumped his load of chemicals & made an emergency landing. During the landing, the acft hit a ditch & nosed over. An investigation revealed…

## 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" = 'MN' 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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&occurrence=350&state=MN

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