Boating License Test Boating License Test Navigation Lights and Sound Signals 1 — Questions and Answers
Question 1: What color is the port (left) side navigation light on a vessel?
- Green
- White
- Red (Correct answer)
- Yellow
Correct answer: Red
The port side navigation light is red, visible from dead ahead to 112.5 degrees on the left side.
Question 2: What color is the starboard (right) side navigation light on a vessel?
- Red
- White
- Blue
- Green (Correct answer)
Correct answer: Green
The starboard side navigation light is green, visible from dead ahead to 112.5 degrees on the right side.
Question 3: A white stern light is visible over what arc?
- 225 degrees from the rear
- 360 degrees in all directions
- 135 degrees from the rear (Correct answer)
- 90 degrees from the rear
Correct answer: 135 degrees from the rear
The white stern light covers a 135-degree arc centered on the vessel's centerline at the rear.
Question 4: If you see only a green light from another vessel at night, what does this indicate?
- The vessel is anchored
- You are seeing the vessel's starboard side — it is crossing your path from right to left (Correct answer)
- The vessel is operating in reverse
- The vessel is a sailing vessel under sail only
Correct answer: You are seeing the vessel's starboard side — it is crossing your path from right to left
A green light alone means you are looking at the starboard side of the vessel, which is moving from your right to your left.
Question 5: What light configuration does an anchored vessel display at night?
- Red and green sidelights only
- A white all-around light visible 360 degrees (Correct answer)
- A flashing yellow light
- No lights are required at anchor
Correct answer: A white all-around light visible 360 degrees
An anchored vessel under 50 meters displays a single white all-around light visible from all directions.
Question 6: Which sound signal means a vessel intends to overtake another vessel on its starboard (right) side?
- Two short blasts (Correct answer)
- One short blast
- Three short blasts
- One prolonged blast
Correct answer: Two short blasts
Two short blasts signals the intent to pass on the starboard side of the vessel ahead.
Boating License Test Boating License Test Navigation Lights and Sound Signals 1
What color is the port (left) side navigation light on a vessel?