OBS Traffic Laws & Regulations 2

Question 1

When two powerboats are crossing paths and a collision risk exists, which boat is the 'give-way' vessel?

Accepted Answer

The boat on the port side

Answer

In a crossing situation, the vessel that has the other on its starboard (right) side is the give-way vessel and must yield.

Question 2

What does a vessel's 'stand-on' obligation require?

Accepted Answer

Maintain course and speed while the give-way vessel maneuvers

Answer

The stand-on vessel must maintain its course and speed so the give-way vessel can predict its position and maneuver accordingly.

Question 3

Under the Navigation Rules, a 'narrow channel' rule requires vessels to:

Accepted Answer

Keep as far to the starboard side of the channel as is safe and practicable

Answer

Vessels in narrow channels must keep to the starboard (right) side to allow safe two-way traffic.

Question 4

Which signal should a powerboat sound when overtaking another vessel on the overtaken vessel's port side?

Accepted Answer

Two short blasts

Answer

Two short blasts signal intent to pass on the port side; one short blast signals intent to pass on the starboard side.

Question 5

What is the maximum federal speed limit when within 100 feet of a swimmer in open water?

Accepted Answer

5 mph

Answer

Federal law limits speed to 5 mph within 100 feet of a swimmer in open water to prevent injury.

(OBS) Online Boating Safety Certification Practice Test