Lockheed Martin: Prepar3D

Prepar3D, often shortened to just P3D but technically Lockheed Martin Prepar3D, is a simulator created by Lockheed Martin in 2009 as a commercial simulator branched from the Microsoft Flight Simulator X codebase. It has been released in 5 major versions with the most recent, Version 5 (v5), released in 2020.