Practice Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
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1. What is the primary purpose of navigation lights on a vessel?
A. To improve fuel efficiency
B. To signal distress
C. To indicate a vessel’s position and direction to others
D. To illuminate fishing areas
Answer: C
Rationale: Navigation lights are required to show a vessel’s position,
heading, and status to prevent collisions, especially at night or
during low visibility.
2. At what distance must a personal flotation device (PFD) be readily
accessible for each person on board?
A. Within 100 feet
B. Immediately accessible
C. Stored below deck
D. Only required for children
Answer: B
Rationale: Regulations require that a properly sized PFD be readily
accessible for each person, meaning it can be quickly reached in an
emergency.
3. What does a red buoy with even numbers indicate?
A. Safe water
B. Danger area
, C. Right side when returning from sea
D. Left side when returning from sea
Answer: C
Rationale: Red buoys mark the starboard (right) side of the channel
when returning from open water, following the “red, right,
returning” rule.
4. What should a vessel operator do when approaching another vessel
head-on?
A. Maintain course
B. Turn to port
C. Turn to starboard
D. Increase speed
Answer: C
Rationale: Both vessels should alter course to starboard to pass port-
to-port safely.
5. What is the legal blood alcohol concentration (BAC) limit for operating
a vessel in Virginia?
A. 0.10%
B. 0.08%
C. 0.05%
D. 0.02%
Answer: B
Rationale: Operating a vessel with a BAC of 0.08% or higher is
considered boating under the influence (BUI).
6. Which sound signal indicates a vessel is altering course to starboard?
A. One short blast
B. Two short blasts
C. Three short blasts
D. Five short blasts
Answer: A
Rationale: One short blast signals an intention to pass on the port
side by turning to starboard.
7. When is a vessel required to display navigation lights?
A. Only during storms
B. From sunset to sunrise and during restricted visibility
, C. Only in international waters
D. Only when anchored
Answer: B
Rationale: Navigation lights must be displayed between sunset and
sunrise and during conditions of reduced visibility.
8. What is the main responsibility of the give-way vessel?
A. Maintain speed
B. Sound horn continuously
C. Take early and substantial action to avoid collision
D. Follow behind closely
Answer: C
Rationale: The give-way vessel must maneuver decisively and early
to avoid collision with the stand-on vessel.
9. What does a green buoy with odd numbers mark?
A. Center of channel
B. Left side when returning from sea
C. Right side when returning from sea
D. Hazard area
Answer: B
Rationale: Green buoys mark the port (left) side when returning from
open water.
10. What is the purpose of a vessel’s hull identification number
(HIN)?
A. To identify engine type
B. To track fuel usage
C. To uniquely identify the vessel
D. To determine speed limits
Answer: C
Rationale: The HIN serves as a unique identifier for registration and
tracking purposes.
11. What should you do if your vessel capsizes?
A. Swim away immediately
B. Stay with the vessel
C. Remove life jackets
D. Dive underwater