It sounds like you're referring to (Microsoft Flight Simulator X) with the ORBX FTX Global Vector add-on, specifically version 1.30 .
The pursuit of realism is a driving force for flight simulation enthusiasts. Out-of-the-box, Microsoft Flight Simulator X (FSX) offers a decent representation of the world, but its default vector data—rivers, coastlines, highways, and golf courses—is notoriously inaccurate. Coastlines look blocky, roads climb vertically up mountains, and major rivers are often entirely misplaced. FSX ORBX FTX Global Vector V1 30
is a comprehensive scenery enhancement that replaces default world data in Flight Simulator X (FSX) and Prepar3D with high-fidelity vector details like accurate coastlines, rivers, and road networks . Released as a free update in October 2014, Version 1.30 represented a significant maturation of the product, addressing thousands of elevation errors and adding new features like golf courses and city parks . Key Features of Version 1.30 It sounds like you're referring to (Microsoft Flight
Are you running the or the boxed boxed edition ? Coastlines look blocky, roads climb vertically up mountains,
Accurate coastlines, lakes, and rivers replace the simplified default shapes, featuring new shoreline textures for a more natural transition. Enhanced Road Networks: