To signal another boater that you wish to pass them on your port side, you should sound one short blast of your horn. This is a standard maritime communication indicating your intention to pass on the left side of the other vessel. The receiving vessel should respond by maintaining their course and speed to facilitate the maneuver. Always ensure to monitor the other boater's response to ensure safe passage.
on short blast
One short blast of the horn tells another boater that you wish them to pass on your left side.
on short blast
one short blast
2 short blasts
one short blast
one short blast
Two short blasts
Two short blasts
Two short blasts
two short blasts
one short blast