The captain of "Pisagua" burnt a warning flare, which was detected by the crew and senior officer on duty on the bridge of the "Oceana", who then gave the order to turn the rudder to port.
The captain of "Pisagua" was showing a navigation beacon as required, which was detected by the crew and senior officer on duty on the bridge of the "Oceana". He then gave the order to turn the rudder to port.