# NTSB investigations: Pratt & Whitney Canada JT15D-4 series: In flight encounter with weather

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 ANC05LA150](https://openairdocs.org/ntsb/ANC05LA150.md): Cessna 550 · Ft Yukon, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 30, 2005 · N77ND · Substantial damage
  > The pilot's improper use of anti-icing equipment during cruise flight, which resulted in ice ingestion into both engines (foreign object damage), the complete loss of engine power in both engines, and an emergency descent and landing on tree covered terrain.…
- [NTSB CHI05LA050](https://openairdocs.org/ntsb/CHI05LA050.md): Cessna 551 · Ainsworth, NE · Accident · Minor injuries · Limited investigation · Final report · Jan 1, 2005 · N35403 · Substantial damage
  > The pilot's decision to continue below the minimum descent altitude (MDA) and his failure to fly the published missed-approach procedure. A factor to the accident was the pilot's improper use of windshield heat which resulted in the windshield becoming…
- [NTSB FTW00LA084](https://openairdocs.org/ntsb/FTW00LA084.md): Mitsubishi MU-300 · Dallas, TX · Accident · No injuries · Limited investigation · Final report · Jan 27, 2000 · N900WJ · Substantial damage
  > The diminished effectiveness of the anti-skid brake system due to the slush contaminated runway. Factors were the freezing rain encountered during the approach, coupled with a failure of the horizontal stabilizer heat.

## 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 ('52112')
    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" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52112&occurrence=240

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