Videos Designed and produced by OBSTA. Application videos OBSTA has a broad and comprehensive product portfolio of obstruction ligthing. The following selection of application examples is intended to help you identify the right products for your application in a simple and understandable way.. Obstruction lighting for powerlines (night only tower marking light) Obstruction lighting for buildings and helipad Product videos The following instructional videos provide a basic technical understanding of the different ranges OFI medium intensity dual color OFC Medium intensity compact OBSTA NAVILITE FAA. Low Intensity Aircraft Warning Light Type B Installation tutorial of OFC with solar kit installation of the Navilite with solar kit obstruction lighting for Broadcast Tower