SVOP Collision Regulations and Seamanship 3

Question 1

What lights does an anchored vessel display at night in an anchorage?

Accepted Answer

An all-round white light forward (and another aft for vessels over 50 m) — vessels under 7 m in a designated anchorage are exempt

Answer

Red over green all-round lights indicating a vessel at anchor in a traffic lane

Answer

A white light forward and a red light aft to indicate the vessel's orientation

Answer

Flashing yellow light to warn of hazard — anchor lights are only required in VTS zones

Question 2

What is a 'bearing plot' and how is it used to determine risk of collision?

Accepted Answer

Taking repeated compass bearings on an approaching vessel — if the bearing is not changing and range is decreasing, risk of collision exists

Answer

Plotting the vessel's track on the chart at regular intervals to monitor progress

Answer

Using a radar to track multiple target positions over time on a PPI display

Answer

Calculating the angle between the vessel's course and a hazard to determine safe clearance

Question 3

In which situation does a sailing vessel give way to a power-driven vessel?

Accepted Answer

When the sailing vessel is overtaking the power-driven vessel, or in a narrow channel or TSS where the power-driven vessel cannot safely navigate outside the channel

Answer

Sailing vessels always have right of way over power-driven vessels in Canadian waters

Answer

Only when the power-driven vessel is on the sailing vessel's port side

Answer

A sailing vessel never gives way to a power-driven vessel — this contradicts COLREGS

Question 4

What is a 'notice to mariners' and how should commercial operators use it?

Accepted Answer

Regular updates issued by the Canadian Coast Guard and CHS containing corrections to nautical charts, lights lists, and sailing directions — operators must keep charts corrected to current editions

Answer

A required document filed before every voyage with Vessel Traffic Services

Answer

An insurance notice advising of increased premiums in high-traffic areas

Answer

A weather advisory issued when conditions are expected to exceed Beaufort Force 6

Question 5

What is the purpose of a sound signal of one prolonged and two short blasts?

Accepted Answer

It is the fog signal for a vessel not under command, restricted in ability to manoeuvre, constrained by draft, at anchor but engaged in work, under sail, or engaged in fishing

Answer

The signal for a power-driven vessel stopped and making no way in fog

Answer

The signal requesting permission to enter a harbour in restricted visibility

Answer

A warning signal that the vessel is reversing its engines in a confined harbour

Question 6

Under the COLREGS hierarchy, what is the correct order of priority for vessel types in a give-way situation?

Accepted Answer

NUC > RAM > Constrained by Draft > Fishing (with gear) > Under Sail > Power-driven — each gives way to all above it

Answer

Power-driven > Sailing > Fishing > RAM > NUC from highest to lowest priority

Answer

All vessel types share equal priority — the collision risk geometry alone determines give-way

Answer

Vessel size determines priority — largest vessel always has right of way