When passing on the starboard side, a vessel typically signals its intention with one short blast of the horn. This indicates that the vessel intends to pass to the right of the other vessel. The other vessel should respond with one short blast as well, confirming the maneuver. This communication helps ensure safe navigation and avoids collisions at sea.
one short blast
one short blast
Two short blasts
Two short blasts
Two short blasts
Starboard (RHS)
They intend to pass starboard side to starboard side.
They pass Port To Port side
They intend to pass starboard side to starboard side.
They intend to pass starboard side to starboard side.
They intend to pass starboard side to starboard side.
They should be passed on your starboard side.