Caldera Alta Lighthouse

Caldera Alta displays the characteristic Fl R 3s — 1 red flash every 3 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The red color may indicate a specific sector or warning zone.

Caldera Alta Lighthouse assists vessels approaching 1 nearby port. The closest is San Julian at 3.1 NM to the SW. Mariners should consult the relevant chart for full approach and pilotage information.

Yes, Caldera Alta Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.

You can track vessels near Caldera Alta Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course.

It is a fixed navigational aid on the coast at Southern Argentina, AR. Mariners identify it by its light characteristic — the pattern, colour and timing of its flashes — which is unique among the lights in its area, so a bearing on it fixes a vessel’s position without instruments.