LIFEJACKETS. WEAR A LIFEJACKET For dinghy journeys, especially at night In fog (due to risk of collision) If about to abandon the vessel. . SAFETY HARNESSES . FIRE PRECAUTIONS. ACTIONS IF CAUGHT IN FOG. Fix or best EP on chart before entering fog Set radar reflector Navigation lights on Lifejackets on Liferaft ready for launching Engine on to maintain speed Turn off occasionally to listen Post lookouts Safe speed Horn Head for shallow water.