What do two short blast from another vessel mean in a meeting situation?

Answer 1

Rules of the Road

Sound and light signals

Rule 34

Maneuvering and Warning Signals

International (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)

Answer 2

Rules of the Road

Sound and light signals

Rule 34

Maneuvering and Warning Signals

International (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 amoperating astern propulsion"(This is the ONLY action in Inland)

Read more: What_do_two_short_horn_blasts_from_another_vessel_mean_in_a_meeting_situation

Answer 3

Rule 34

International:" I AM altering my course to port."

Inland: " I INTEND to leave you on my starboard side or I AGREE to a starboard to starboard passing or I INTEND to overtake you on your portside."
They intend to pass starboard to starboard side.

Answer 4

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.

International

Sounds and Light signals

Rule 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.