# NTSB investigations: Pratt & Whitney Canada PT6A-60A, 1995

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 FTW95LA352](https://openairdocs.org/ntsb/FTW95LA352.md): Cessna 172E · Alpine, TX · Accident · No injuries · Limited investigation · Final report · Aug 20, 1995 · N5638T · 2 aircraft · Substantial damage
  > The failure of the pilots of both airplanes to see and avoid each other. A factor was the Cessna's inoperative radio.
- [NTSB FTW95LA347](https://openairdocs.org/ntsb/FTW95LA347.md): Ayres S2R-T34 · Lake City, AR · Accident · No injuries · Limited investigation · Final report · Aug 11, 1995 · N3095W · Substantial damage
  > The pilot's failure to maintain clearance with the transmission wires.
- [NTSB SEA95LA158](https://openairdocs.org/ntsb/SEA95LA158.md): Air Tractor AT-502 · Idaho Falls, ID · Accident · No injuries · Limited investigation · Final report · Jul 24, 1995 · N4516K · Substantial damage
  > The pilot's inadequate airspeed at liftoff. Contributing to the accident were high density altitude, tailwind conditions, the pilot's selection of an excessive takeoff flap setting, and a windshear encounter.
- [NTSB CHI95FA182](https://openairdocs.org/ntsb/CHI95FA182.md): Grumman G-21E · West Chicago, IL · Accident · 2 fatal · Field investigation · Final report · Jun 14, 1995 · N121H · Destroyed
  > The pilot allowed excessive nose-up rotation of the airplane during lift-off, and failed to obtain and/or maintain adequate airspeed, which resulted in an inadvertent stall and collision with the terrain. Factors relating to the accident were: the pilot's…
- [NTSB FTW95LA207](https://openairdocs.org/ntsb/FTW95LA207.md): Air Tractor AT-502 · Mcgehee, AR · Accident · 1 fatal · Limited investigation · Final report · May 19, 1995 · N4536Q · Minor damage
  > The ground service person's lack of attention and failure to remain clear of the turning propeller.
- [NTSB SEA95LA051](https://openairdocs.org/ntsb/SEA95LA051.md): Sikorsky S-58JT · Marblemount, WA · Accident · Serious injuries · Limited investigation · Final report · Feb 13, 1995 · N1099T · Substantial damage
  > Fatigue failure of the main rotor driveshaft.

## 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") = 1995
  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=1995

---
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.