Type B Medium Intensity obstruction light AO-MI-B2
Type B Medium Intensity AO-MI-B1
Type C Medium Intensity AO-MI-C2
Type A Medium Intensity AO-MI-A2
Heliport Flood Light AO-HP-F3
Seeing Is Surviving: Why Visibility Marker Balls Are the Unsung Heroes of Overhead Lines
Beyond Visibility: How Transmission Line Marker Balls Safeguard Aviation and Power Grids Alike