ARMI Project Cairo International Airport (HECA) scenery is a highly detailed add-on for Microsoft Flight Simulator 2004

9.5/10 Docked half a point only for the static jetways, but otherwise a masterpiece of the ARMI Project portfolio.

The scenery is noted for its accuracy and "visually awesome" texturing. Detailed Structures

The scenery is noted for its accuracy and visual appeal, specifically designed for better performance through Gmax modeling.

Now, the crux of the keyword. Many users download the ARMI Project HECA file and complain of blurry textures or low frame rates. That is because they are running the "performance" or "medium" texture pack.