A modified version of an existing EA model (e.g., different flight physics or weight). It requires the base EA model to be installed.
The import process is straightforward but requires attention to the "base model" rule mentioned above. : Save the file from the Knife Edge forums : Inside RealFlight, go to Simulation RealFlight Archive : Your new planes appear under the Custom Aircraft Performance & Realism HOW TO: Install Custom Airfields & Airplanes in RealFlight 29 May 2020 — realflight 7.5 aircraft downloads