EXAM Questions and Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the meaning of a safe water mark?
A. Danger zone
B. Obstruction
C. Navigable water all around
D. Fishing area
Answer: C
Rationale: Safe water marks indicate clear water.
2. A vessel constrained by draft shows which signal?
A. Black ball
B. Cylinder
C. Diamond shape
D. Cone apex down
Answer: B
Rationale: Cylinder indicates constrained by draft.
3. Case: A vessel is overtaking you on your port side. Who is stand-on?
A. Your vessel
B. Overtaking vessel
C. Both vessels
D. None
,Answer: A
Rationale: Vessel being overtaken is always stand-on.
4. What is the minimum legal lookout requirement?
A. Radar only
B. Visual and auditory lookout
C. GPS monitoring
D. Engine monitoring
Answer: B
Rationale: Proper lookout is required by all means.
5. A vessel showing three green lights is:
A. Fishing vessel
B. Restricted vessel
C. Anchored vessel
D. Not a valid configuration
Answer: D
Rationale: No such standard configuration exists.
6. Case: You are operating at night and see two white masthead lights vertically
aligned. Vessel is likely:
A. Sailing vessel
B. Power-driven vessel
C. Anchored vessel
D. Fishing vessel
Answer: B
Rationale: Multiple masthead lights indicate power-driven vessel.
7. What is the purpose of EPIRB?
A. Navigation
, B. Emergency distress signal
C. Fuel tracking
D. Speed control
Answer: B
Rationale: EPIRB sends distress signals.
8. A vessel at anchor must display:
A. Red light only
B. White all-round light
C. Green light only
D. Flashing yellow light
Answer: B
Rationale: Anchored vessels show white light.
9. Case: Two vessels in narrow channel meet. Who has priority?
A. Faster vessel
B. Vessel heading upstream
C. Vessel constrained by channel
D. Larger vessel
Answer: C
Rationale: Restricted channel vessels have priority.
10. What is the function of a chart plotter?
A. Engine control
B. Navigation positioning
C. Fuel control
D. Radio communication
Answer: B
Rationale: Used for electronic navigation.