# NTSB investigations: Rotorway RW152: Loss of engine power(partial) - mech failure/malf

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 FTW04LA131](https://openairdocs.org/ntsb/FTW04LA131.md): Cooke Rotorway Exec · Willis, TX · Accident · No injuries · Limited investigation · Final report · May 15, 2004 · N319RC · Substantial damage
  > The partial loss of engine power due to the failure of the #1 cylinder valve retainer clip. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB IAD00LA071](https://openairdocs.org/ntsb/IAD00LA071.md): Showalter Rotorway 152 · Ravenna, OH · Accident · No injuries · Limited investigation · Final report · Aug 5, 2000 · N11662 · Substantial damage
  > The pilot/owner's inadequate installation of an ignition lead that resulted in a partial loss of engine power and forced landing to unsuitable terrain. A factor in the accident was the soybean crop in the forced landing site.
- [NTSB CHI92DEM01](https://openairdocs.org/ntsb/CHI92DEM01.md): Rose Wesley Rotorway WR Exec · Hudsonville, MI · Accident · No injuries · Final report · Apr 18, 1992 · N6617L · Substantial damage
  > The failure of an intake valve spring. Factors related to the accident were the low altitude at which the autorotation was initiated and the soft terrain on which the helicopter was landed.

## 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 ('55006')
    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" = 352))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=55006&occurrence=352

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