Boating Rules (5.5) Actions for Operations in Darkness

Question 1

When only a white light is visible, what is most likely reason?

Answer 1

You might be overtaking someone, so you would not see the red/green bow lights. If you are overtaking, you are the give-way vessel.

Question 2

When only red and green are visible, what is most likely reason?

Answer 2

You are approaching a sailboat head on. (Power boats have raised white lights that would not be blocked by a sail

Question 3

When you are approaching head on to a sailboat in the dark, what do you do?

Answer 3

You are the give-way, so give-way to your starboard side

Question 4

If you are a sailboat and are approaching a vessel with red, green and white visible, what do you do.

Answer 4

You are approaching a powerboat head on, so stand-on. Powerboats must give-way to sailboats.

Question 5

If you are a powerboat and are approaching a vessel with red, green and white visible, what do you do?

Answer 5

you are approaching a power boat, give way to your starboard side (which means both boats’ port sides are nearest each other - just like daytime passing.

Question 6

When only a red light is visible, you are approaching what?

Answer 6

The port side of a sailboat. As a power boat, give-way to your starboard.

Question 7

If you are in a sailboat at night and you see white and green lights, you are approaching what?

Answer 7

Approaching the starboard of a power boat. Stand on.

Question 8

When only a red and white lights are visible, you are approaching what?

Answer 8

You are approaching a powerboat’s port side, you give way to your starboard side. (assuming you are a powerboat as well)

Question 9

When only a green and white lights are visible, you are approaching what?

Answer 9

You are approaching a powerboat’s starboard side, you stand on. (assuming you are a powerboat as well)

Question 10

When only a green light is visible, you are approaching what?

Answer 10

The starboard side of a sailboat. You are the give way, so give way to your port. (so you go behind it)

Question 11

While sailing and you see only red and white lights are visible, you are approaching what?

Answer 11

A powerboat. As as sailboat you have the right-of-way so Sand On.

Question 12

What are the 3 main causes of restricted visibility

Answer 12

Rain, mist or heavy fog.

Question 13

During periods of restricted visibility, what should you do.

Answer 13

Reduce your speed so you have opportunity to maneuver to avoid a collision.

Question 14

When visibility is restricted by fog or smoke, what additional signals are required if you are a powerboat?

Answer 14

One prolonged blast every 2 minutes

Question 15

When visibility is restricted by fog or smoke, what additional signals are required if you are a sailboat?

Answer 15

One prolonged blast every followed by 2 short blasts every 2 minutes

Question 16

In restricted visibility a powerboat that is underway but NOT moving, makes what warning sounds?

Answer 16

2 prolonged blasts every 2 minutes

Question 17

In restricted visibility, a vessel at anchor, makes what warning sounds?

Answer 17

5 seconds of rapid bell ringing every minute.

Question 18

In restricted visibility, a vessels that has run aground must make what sound pattern?

Answer 18

3 bell strokes, followed by 5 seconds of rapid bell ringing, then 3 more bell strokes. Repeated every minute.

Question 19

In restricted visibility, One prolonged blast every 2 minutes means what?

Answer 19

It is a powerboat in motion.

Question 20

In restricted visibility one prolonged blast every followed by 2 short blasts every 2 minutes means what

Answer 20

It is a sailboat in motion.

Question 21

5 seconds of rapid bell ringing every minute means what?

Answer 21

A boat is at anchor in restricted visibility.

Question 22

A signal of 3 bell strokes, followed by 5 seconds of rapid bell ringing, then 3 more bell strokes, repeated every minute means what?

Answer 22

A boat has run aground in restricted visibility.

Question 23

In restricted visibility, when you hear an alert signal, what should you do?

Answer 23

Slow your speed to the minimum that is required to maintain you desired course.