OBSTRUCTION LIGHTING FOR PYLONS : FAA TYPE D STANDARD White medium intensity obstruction light Day/Twilight protection = 20,000 cd white light Night protection = 2,000 cd white light (painting of tower is typically not required) Selection of lamps DescriptionModel White medium intensity system FAA L-865 ETL certifiedOFI360-WW-240-U White medium intensity system FAA L-865 ETL certifiedOFI120-WW-48-240-U Calibrated ambient sensor (photocell)PHOTOCELL DC See other types of standards TypeGo to the page Type ASee Obstruction lighting for pylons as per FAA TYPE A Type BSee Obstruction lighting for pylons as per FAA TYPE B Type CSee Obstruction lighting for pylons as per FAA TYPE C Type ESee Obstruction lighting for pylons as per FAA TYPE E Type FSee Obstruction lighting for pylons as per FAA TYPE F Type GSee Obstruction lighting for pylons as per FAA TYPE G