MCA CoC COLREGs & Watchkeeping

Question 1

What does COLREGs stand for?

Accepted Answer

Convention on the International Regulations for Preventing Collisions at Sea 1972

Answer

Collision Observation and Likelihood of Grounding Regulations

Answer

Coastal Operator Lighting and General Emergency Standards

Answer

Convention on Long Range Emergency Grid Systems

Question 2

Under COLREGs, what is the 'stand-on' vessel required to do?

Accepted Answer

Maintain course and speed so the give-way vessel can anticipate the situation, but take avoiding action if collision becomes inevitable

Answer

Always yield to the give-way vessel

Answer

Speed up to pass ahead of the other vessel

Answer

Alter course to port to give way

Question 3

COLREGs Rule 5 requires a proper look-out at all times. What does this include?

Accepted Answer

Sight, hearing, and all available means including radar, AIS, and VHF — a continuous full-time watch

Answer

Visual observation only during daylight

Answer

Radar watch only in restricted visibility

Answer

A look-out posted only in confined waters

Question 4

What action does COLREGs Rule 16 require of the 'give-way' vessel?

Accepted Answer

Take early and substantial action to keep well clear of the stand-on vessel

Answer

Reduce speed only

Answer

Sound one short blast and alter to port

Answer

Maintain course and sound the danger signal

Question 5

Under COLREGs, in a crossing situation where a power-driven vessel has another on its starboard side, who gives way?

Accepted Answer

The vessel with the other on its starboard side is the give-way vessel — it must keep out of the way

Answer

The vessel on the starboard side gives way

Answer

The smaller vessel always gives way

Answer

The vessel making the greater speed gives way

Question 6

What lights must a power-driven vessel underway display at night under COLREGs?

Accepted Answer

Masthead light forward, second masthead light aft (if over 50m), sidelights (red to port, green to starboard), and stern light (white)

Answer

An all-round white light and two red sidelights

Answer

A flashing yellow light and white stern light

Answer

Only sidelights are mandatory