They are indicating a dangerous situation exists
They intend to pass starboard side to starboard side.
Means it's about to turn to port.
Pilot vessel engaged in pilotage duties
They are indicating dangerous
Five short horn blasts from another boat on the water usually means danger. It could mean they have doubt in the message they had received from you, whether they did not hear it or did not understand. It can also be used to signal that the boat driver is confused about who has the right away. It is a signal to alert another vessel that you are unsure of its intentions, or doubt whether you are taking enough action to avoid a collision.
NASBLA Standard: 2.1 Resource: Federal Requirements and Safety Tips p.11 Course Location: p. 5Which of the following is a feature of a Type IV PFD?
Six blasts of a ship's horn does not seem to have a meaning. Five blasts will mean that you are possibly too close to another ship.
there is a dangerous situation
they are indicating a dangerous situation exist
Well, honey, three long blasts followed by two short blasts from a Great Lakes ship means they're backing up, just like your ex trying to come back into your life after they realize they messed up. So, keep your distance and let that ship do its thing before it ends up in hot water.
From the USCG Navigational Rules of the Road (International and Inland.)Rule 34Maneuvering and Warning Signals(d) When vessels in sight of one another are approaching each other and from any cause one fails to understand the intentions or actions of another, or is in doubt whether sufficient action is being taken by the other to avoid collision, the vessel in doubt shall immediately indicate such doubt by giving at least 5 short and rapid blasts of the ships whistle.