Assuming you are referring to a fog horn or a warning signal, generally find where the other vessel is and change course accordingly
Be alert and observant.Scan 360 degrees and act accordingly. ALWAYS look before you leap.
when the power-driven vessel is towing another boat and has difficulty maneuvering
Rules of the Road.Rule 34Maneuvering and Warning signalsInternational(e) A vessel nearing a bend or an area of a channel or fairway where other vessels maybe obscured by an intervening obstruction shall sound one prolonged blast. Such signal shall be answered with a prolonged blast by any approaching vessel that maybe within hearing around a bend or behind the intervening obstructionRule 34Inland(g) When a power driven vessel is leaving a dock or a berth, she shall sound one prolonged blast.
Foggy conditions....a case of restricted visibility... according to International Regulations for Preventing Collision at Sea Rule 35... "A Power driven vessel making way through the water shall sound at intervals of not more than 2 minutes one prolonged blast." So hearing a prolonged blast every 2 mins in restricted visibility we can deduce that its a power driven vessel making way through water.
one prolonged blast
one prolonged blast
one prolonged blast
one prolonged blast
One Prolonged Blast.
One prolonged blast
one prolonged blast
One prolonged blast