What's the meaning of the numbers on each of the helipads in downtown LA? - Quora
Helipad - Wikipedia
Concrete Helicopter Landing Pad On The Top Of A Building. Shapes Of Arrows In A Square Inside A Circle. Stock Photo, Picture And Royalty Free Image. Image 40603965.
Does anyone know what helipad this is and how easy it is to get on it? : r/LosAngeles