When vessels in sight of one another are approaching each other and from any cause either vessel fails to understand the intentions or actions of the other, 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 five short and rapid blasts on the whistle
Five short whistle blasts typically signal "danger" or a call for immediate attention in many emergency situations and drills. It is commonly used by emergency responders and lifeguards to alert people of potential hazards or imminent threats.
5 short blasts is a signal warning of imminent danger (or disagreement).
dangerous
Don't know what it means, but five short blasts from the hoRN must be a warning of some kind?
they are indicating a dangerous situation exist
five or more short blasts
five or more short blasts
five or more short blasts
five or more short blasts
one prolonged blast
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.