Thread:WEEABXTCH/@comment-26820593-20170501064244/@comment-28991887-20170501171008

An H doesn't have four lines, and helipads with weight limit numbers aren't done in numerals. Anyway, it is a helipad but doesn't have the traditional markings/symbols. ¯\_(ツ)_/¯, the main point is that the building is completely new or has some differences from a building in the manga.