X-Plane 10 – Scenery KSEA Seattle Photoreal Underlay, Washington (WA), USA. Tired of flying around the plain textured KSEA demo airport? Feel Like filling your VRAM and tanking your FPS at the same time? Hate having trees in-line with your approaches? You’re downloading the right file! Note: This is for XP10 as it uses 4096 x 4096 Textures for fast rendering. By Chris K and the ISDG Group.