The requirement for carrying a whistle or horn depends on the size of the vessel and the regulatory jurisdiction. Generally, vessels 12 meters (39.4 feet) or longer are required to carry a whistle or horn for signaling purposes. However, smaller vessels may also need to have sound-signaling devices depending on local regulations or specific circumstances, such as operating in busy waterways. It's essential for operators to familiarize themselves with the regulations applicable to their specific area and vessel size.
Two short horn blast from a vessel means that she is turning port and one short horn blast that she is turning starboard
A horn.
The Vessel is turning to Starboard .
Assuming you are referring to a fog horn or a warning signal, generally find where the other vessel is and change course accordingly
You are operating a motorboat. You hear one prolonged blast from the horn of another vessel. What should you do?
B
The English horn requires a specialized double reed similar to the Oboe
Three short blasts from a vessel's horn typically indicate that the vessel is operating in reverse. This signal is used to communicate the vessel's intentions to other nearby boats and ensure safe navigation in crowded or narrow waterways. It's important for maintaining awareness and preventing accidents among vessels in close proximity.
there is a dangerous situation
Means it's about to turn to port.
passing on port side