What Sound Signal Should You Hear In The Fog? What sound signal should you hear when a sailboat is underway in the fog? One prolonged blast at intervals of not more than two minutes is the signal used by power-driven vessels when underway. One prolonged blast plus two short blasts at intervals of not more
What Sound Signal Alerts Others That A Pleasurecraft Is Backing Up? Two short blasts tell other boaters, “I intend to pass you on my starboard (right) side.” Three short blasts tell other boaters, “I am operating astern propulsion.” For some vessels, this tells other boaters, “I am backing up.” What sound signal should be used
What Is The Difference Between Prolonged Blast And Long Blast? Short blast is a blast of 1 second duration. A prolonged (long) blast is 4 to 6 seconds. (One very long blast used to mean abandon ship — maybe still does.) 1 long blast + 3 short blasts is made by the last vessel in