Libra installs and maintains airfield navigational aids at airports across the region. From PAPI's to MIRL's, flush mounted runway and taxiway lights, guidance signage, obstruction lighting, tower control systems, fiber optic controls, constant current regulators, complete thresholds bars, transclosures, 5kv cabling and terminations, duct banks and manholes, concrete and asphalt saw-cutting and core drilling, wind cones and their segmented circles.