# NTSB investigations: Pratt & Whitney Canada PT6A-60A, 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 MIA90IA039](https://openairdocs.org/ntsb/MIA90IA039.md): Boeing 727 · Ormond Beach, FL · Incident · No injuries · Incident investigation · Final report · Dec 15, 1989 · N64339 · 2 aircraft · No damage
  > Failure of the pilot in command in the Beech 300 to comply with an ATC clearance in a timely manner, while diverting his attention, and failure of the ATC controller to assure that IFR separation was maintained.
- [NTSB DEN90FA030](https://openairdocs.org/ntsb/DEN90FA030.md): Beech F-90 · Lincoln, NM · Accident · 2 fatal · Field investigation · Final report · Dec 2, 1989 · N9PU · Destroyed
  > Loss of control due to pilot disorientation while conducting a non precision instrument approach. Contributing to the accident was the pilot's lack of instrument and multiengine experience, and the existing adverse weather.
- [NTSB ANC90LA001](https://openairdocs.org/ntsb/ANC90LA001.md): Cessna 208 · King Salmon, AK · Accident · No injuries · Limited investigation · Final report · Oct 2, 1989 · N9382F · Substantial damage
  > Improper planning/decision by the pilot. Contributing factors were: the surrounding terrain, unfavorable wind, downdraft, the pilot's lack of familiarity with the geographical area, and his self induced pressure.
- [NTSB ATL89FA142](https://openairdocs.org/ntsb/ATL89FA142.md): Embraer EMB-110-P1 · Mt. Pleasant, TN · Accident · 1 fatal · Field investigation · Final report · May 6, 1989 · N95PB · Destroyed
  > Pilot attempted to make a VFR landing in instrument conditions that were below minimums for the published instrument approach and collided with trees and the ground after allowing the airplane to descend below the proper altitude.
- [NTSB CHI89FA078](https://openairdocs.org/ntsb/CHI89FA078.md): Cessna 208A · Mt. Zion, IL · Accident · Minor injuries · Field investigation · Final report · Apr 27, 1989 · N9637F · Substantial damage
  > The pilot's intentional flight into known adverse weather. Contributing factors were the pilot's poor evaluation of the weather information given him by the air traffic controllers.
- [NTSB FTW89DRA04](https://openairdocs.org/ntsb/FTW89DRA04.md): Air Tractor AT-502 · Ganado, TX · Accident · No injuries · Final report · Apr 19, 1989 · N7320C · Substantial damage
  > Loss of directional control for an unknown reason.
- [NTSB ANC89IA059](https://openairdocs.org/ntsb/ANC89IA059.md): De Havilland DHC-6-100 · Barrow, AK · Incident · No injuries · Incident investigation · Final report · Apr 14, 1989 · N100AP · No damage
  > The propagation of a fatigue crack from multiple origins due to manufacturing defects in the elevator bellcrank mounting quadrant.
- [NTSB MIA89FA124](https://openairdocs.org/ntsb/MIA89FA124.md): Beech C-45H · Tampa, FL · Accident · Serious injuries · Field investigation · Final report · Apr 8, 1989 · N711BF · Substantial damage
  > Fuel contamination of the left engine fuel system which resulting in a failure of the left engine.
- [NTSB DEN89LA058](https://openairdocs.org/ntsb/DEN89LA058.md): Piper PA-31T · Craig, CO · Accident · No injuries · Limited investigation · Final report · Jan 6, 1989 · N82290 · Substantial damage
  > Unsuitable terrain (runway condition) selected by the pilot. Factors related to the accident were: the adverse weather conditions, inadequate removal of snow from the runway by airport personnel, uneven snow covered runway, lack of visual perception by the…

## 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 ('52043', '51999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52043&year=1989

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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.