#1
What does the acronym 'COLREGs' stand for in marine navigation?
Collision Regulations
ExplanationRules governing the conduct of vessels to prevent collisions.
#2
What is the purpose of using AIS (Automatic Identification System) in marine navigation?
To track and identify vessels
ExplanationA system used to monitor vessel movements and enhance maritime safety.
#3
What is the purpose of the 'Rule of the Road' in marine navigation?
To regulate the conduct of vessels at sea
ExplanationTo establish guidelines for safe navigation and vessel interaction.
#4
Which type of buoy marks the port (left) side of a channel when entering from seaward?
Red buoy
ExplanationRed buoys mark the left side of the channel when entering from seaward.
#5
What is the purpose of the 'International Regulations for Preventing Collisions at Sea (COLREGs)'?
To prevent collisions between vessels
ExplanationTo establish rules to prevent collisions between vessels.
#6
Which type of navigation light does a power-driven vessel exhibit when underway?
White masthead light
ExplanationA white light on the masthead indicates a power-driven vessel underway.
#7
In a head-on situation, which vessel has the right of way according to the COLREGs?
The vessel on the starboard side
ExplanationThe vessel to the right has the right of way.
#8
What does the term 'stand-on vessel' refer to in maritime law?
The vessel that maintains its course and speed
ExplanationThe vessel with the right of way, which should maintain its course and speed.
#9
According to the COLREGs, what sound signal should a vessel give in restricted visibility?
One prolonged blast every 2 minutes
ExplanationA prolonged blast every 2 minutes in restricted visibility.
#10
What does the term 'bearing' refer to in marine navigation?
The horizontal angle between two objects
ExplanationThe horizontal angle between the direction of an object and the reference direction.
#11
What does the term 'way' refer to in maritime language?
The speed of a vessel
ExplanationThe movement or speed of a vessel through the water.
#12
According to the COLREGs, what does a single short blast of a horn indicate?
Warning signal
ExplanationA warning signal indicating intent to maneuver.
#13
What action should a vessel take to avoid a collision according to the COLREGs?
Alter its course to starboard
ExplanationChange course to the right to avoid a collision.
#14
In a crossing situation between vessels, which vessel has the right of way according to the COLREGs?
The vessel on the starboard side
ExplanationThe vessel to the right has the right of way.
#15
When two vessels are approaching head-on, which maneuver should both vessels undertake according to the COLREGs?
Maintain course and speed
ExplanationBoth vessels should maintain their course and speed.
#16
What does the term 'RAM' signify in the context of marine navigation lights?
Restricted Ability to Maneuver
ExplanationDenotes a vessel's limited ability to maneuver.
#17
What is the significance of the term 'give-way vessel' in marine navigation?
The vessel that must yield to other vessels
ExplanationThe vessel required to yield right of way to other vessels.