General Definitions
This term refers to the path a vessel follows over the ground.
What is a "course"?
In a crossing situation, the vessel which has the other on her own starboard side shall keep out of the way.
What is the "give-way vessel"?
This light is displayed at the front of the vessel and is visible over an arc of 225 degrees.
What is the "masthead light"?
The signal for altering course to starboard.
What is "one short blast"?
In restricted visibility, vessels shall proceed at this type of speed.
What is "safe speed"?
This term describes any situation in which two vessels are approaching one another on reciprocal or nearly reciprocal courses.
What is "head-on situation"?
The vessel that must maintain its course and speed during an encounter.
What is the "stand-on vessel"?
The color of the light displayed on the starboard side of a vessel.
What is "green"?
This signal indicates a vessel is backing up.
What is "three short blasts"?
This is the action a vessel should take if she hears a fog signal forward of her beam.
What is "reduce speed to bare steerageway and navigate with extreme caution"?
This is the term for the direction in which a vessel is steered.
What is "heading"?
This rule applies when two sailing vessels are approaching one another.
What is "Rule 12"?
A vessel at anchor shall display this shape during daylight.
What is a "ball"?
This signal is used for warning another vessel of imminent danger.
What is "five or more short and rapid blasts"?
This rule number applies to the conduct of vessels in restricted visibility.
What is "Rule 19"?
This term defines the side of the ship that is on the left when facing forward.
What is "port"?
This is the action a vessel should take to avoid collision if needed.
What is "alter course or speed"?
The color of the light displayed on the port side of a vessel.
What is "red"?
The signal for altering course to port.
What is "two short blasts"?
The sound signal for a vessel underway but stopped and making no way through the water in restricted visibility.
What is "two prolonged blasts every two minutes"?
This term identifies the side of the ship that is on the right when facing forward.
What is "starboard"?
When two power-driven vessels are meeting on reciprocal courses, each shall alter course to this side.
What is "starboard"?
The light configuration for a vessel restricted in her ability to maneuver.
What are "three all-round lights in a vertical line — red, white, red"?
This is the sound signal for a power-driven vessel making way in restricted visibility.
What is "one prolonged blast every two minutes"?
This is the proper action when a vessel detects another vessel by radar alone and a close-quarters situation is developing.
What is "take avoiding action in ample time"?