# NTSB investigations: Pratt & Whitney Canada PT6A-6 series: Airframe/component/system failure/malfunction

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 NYC05IA128](https://openairdocs.org/ntsb/NYC05IA128.md): Beech 1900D · Rockland, ME · Incident · No injuries · Incident investigation · Final report · Aug 2, 2005 · N136MJ · No damage
  > A loose elevator attachment, which resulted in a partial elevator binding during takeoff and uncommanded elevator movement during cruise.
- [NTSB DEN04IA059](https://openairdocs.org/ntsb/DEN04IA059.md): Beech 1900D · Denver, CO · Incident · No injuries · Incident investigation · Final report · Apr 9, 2004 · N210GL · No damage
  > arcing of the windshield deicing system. Factors contributing to the incident were the improper inspection of the windshield's exterior seal, deterioration of the windshield seal, and water penetration through the deteriorated seal.
- [NTSB CHI96IA170](https://openairdocs.org/ntsb/CHI96IA170.md): Beech 1900D · Indianapolis, IN · Incident · No injuries · Incident investigation · Final report · May 24, 1996 · N148SK · Minor damage
  > failure of a forward cabin ventilation blower motor bearing, which resulted in binding of the blower motor; and inadequate design of the electrical system, which allowed overheating of the electrical circuit and smoke in the cabin of the aircraft.

## 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 ('52150')
    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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52150&occurrence=130

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
