While this specific version (0.9.13) is outdated for the current live client of World of Tanks, similar "Discrete Hitzones" are still maintained for newer versions (e.g., 1.26.1.1) on community hubs like WoTportal.cz .

Hitzones are visible from up to 300 meters away. Legacy Status and Usage

Barevně šrafované hitzony (0.9.13) | World Of Tanks Portal