OBS Online Boating Navigation Rules & Regulations 3

Question 1

What does a red nun buoy mark in the US lateral buoyage system?

Accepted Answer

The right side of a channel when returning from sea

Answer

The left side of a channel when returning from sea

Answer

A hazard in open water

Answer

A junction between two channels

Question 2

Under the Navigation Rules, what does it mean for a vessel to be 'underway'?

Accepted Answer

The vessel is not at anchor, aground, or made fast to the shore

Answer

The vessel is moving through the water

Answer

The vessel's engine is running

Answer

The vessel is traveling faster than 5 knots

Question 3

What is the required light configuration for a vessel being pushed ahead (not a composite unit) at night?

Accepted Answer

Sidelights only at the forward end

Answer

Sidelights and a stern light only

Answer

Two towing lights and sidelights

Answer

All-round white light and sidelights

Question 4

How far must a vessel stay away from a US Navy vessel displaying a large-scale American flag and a red/yellow striped security zone flag?

Accepted Answer

500 yards

Answer

50 yards

Answer

100 yards

Answer

1,000 yards

Question 5

Which dayshape must a vessel constrained by its draft display?

Accepted Answer

A cylinder

Answer

Three black balls in a vertical line

Answer

A black diamond

Answer

Two black cones apex together

Question 6

When a power-driven vessel is overtaking a sailing vessel in a narrow channel, who has the right of way?

Accepted Answer

The overtaken vessel (the sailing vessel), because the overtaking vessel must keep clear

Answer

The sailing vessel always has right of way

Answer

The overtaking vessel, because it is power-driven

Answer

Whichever vessel sounds the first signal

Question 7

What signal should a power-driven vessel sound when leaving a dock with vessels nearby?

Accepted Answer

One prolonged blast

Answer

Three short blasts

Answer

One prolonged and one short blast

Answer

No signal is required by the rules