They intend to pass starboard side to starboard side.
They intend to pass starboard side to starboard side.
I intend to pass you on the starboard(right) side
They are indicating dangerous
they are indicating a dangerous situation exist
In the Navy, it means there is an eminent collision.With all due respect, this is an incorrect answer.From the 1972 Convention of International Regulations for Preventing Collisions at Sea.InternationalSounds and Light signalsRule 34(D) When vessels are in sight of one another and from any cause either vessels 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 the doubt by giving at least 5 short and rapid blasts of the whistle.
They intend to pass starboard side to starboard side.
They are indicating a dangerous situation exists
Rules of the RoadSound and light signalsRule 34Maneuvering and Warning SignalsInternational (Signals of Action)(a.) When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by the following signals on her whistle.-One short blast to mean "I AM altering my course to starboard";-Two short blasts to mean "I AM altering my course to port";-Three short blasts to mean "I AM operating astern propulsion".Inland (Signals of intent)(a) When a power driven vessels are in sight of one another and meeting or crossing at a distance within half a mile of each other, each vessel underway, when maneuvering as authorized or required by these rules:(i) Shall indicate that maneuver by the following signals on her whistle: one short blast to mean "I intend to leave you on my port side" (turning to starboard.); two short blast to mean "I intend to leave you on my starboard" (turning to port); and three short blasts to mean "I am operating astern propulsion"(This is the ONLY action in Inland)
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
This is taken from the International and Inland Rules book, provided by the USCG.* Note* So there is a difference in the whistle signal of two short blast by definition between International rules and Inland Rules.InternationalSound and light signalsRule 34Maneuvering and Warning signals.(a) When two vessels are in sight of one another, a power driven vessel when underway, when maneuvering as a authorized or required by these rules, shall indicate that maneuver by the following signals on her whistle.-Two short blast to mean " I am altering my course to port";InlandSound and light signalsRule 34Maneuvering and Warning signals(a) When power driven vessels are in sight of one another and meeting or crossing within half a mile of each other, each vessel underway, when maneuvering as a authorized or required by these rules:(i)Hall indicate that maneuver by the following signals on her whistle: two short blasts to mean "I intend to leave you on my starboard side"There needs to be an agreement between the vessels in inland waters.The vessel will sound the same signal in agreement.
Rules of the RoadSound and light signalsRule 34Maneuvering and Warning SignalsInternational (Signals of Action)(a.) When vessels are in sight of one another, a power driven vessel underway, when maneuvering as authorized or required by these rules, shall indicate that maneuver by the following signals on her whistle.-One short blast to mean "I AM altering my course to starboard";-Two short blasts to mean "I AM altering my course to port";-Three short blasts to mean "I AM operating astern propulsion".Inland (Signals of intent)(a) When a power driven vessels are in sight of one another and meeting or crossing at a distance within half a mile of each other, each vessel underway, when maneuvering as authorized or required by these rules:(i) Shall indicate that maneuver by the following signals on her whistle: one short blast to mean "I intend to leave you on my port side" (turning to starboard.); two short blast to mean "I intend to leave you on my starboard" (turning to port); and three short blasts to mean "I am operating astern propulsion"(This is the ONLY action in Inland)