# NTSB investigations: Pratt & Whitney PT6A series, 1989

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 MKC90LA023](https://openairdocs.org/ntsb/MKC90LA023.md): Air Tractor AT-502 · Heafer, AR · Accident · Minor injuries · Limited investigation · Final report · Oct 13, 1989 · N1012Z · Substantial damage
  > The intentional swerve by the pilot during the takeoff roll. Contributing to the accident was the rough and soft terrain conditions.
- [NTSB MIA89LA193](https://openairdocs.org/ntsb/MIA89LA193.md): Cessna 208B · Fort Myers, FL · Accident · No injuries · Limited investigation · Final report · Jul 12, 1989 · N921FE · Substantial damage
  > Improper flare by the pilot for landing and improper remedial action. A contributing factor was the lack of airspeed on final approach.

## 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 year(c."eventDate") = 1989
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52032&year=1989

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