Navigation Rules of the Road Flashcards
7 cards from real Boating Certification Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Navigation Rules of the Road flashcards as text
A vessel is approaching a bend in a river where visibility is obstructed. What sound signal should it sound?
Answer: One prolonged blast
Rule 9 requires a vessel navigating near a bend to sound one prolonged blast to warn approaching vessels.
At night, a vessel sees only a green light ahead. What can the operator conclude?
Answer: Another vessel's starboard side is visible — it may be crossing or head-on
A green light is the starboard sidelight, indicating you are seeing the other vessel's right side — it could be crossing or slightly head-on.
Which vessel has the right-of-way over all others under the COLREGS hierarchy?
Answer: A vessel not under command
Vessels not under command rank highest in the priority hierarchy and must be avoided by all other vessels.
Two power-driven vessels are in a crossing situation. Vessel A is to the right of Vessel B. Which vessel must give way?
Answer: Vessel B gives way because the other vessel is on its starboard side
In a crossing situation, the vessel that has the other on its starboard side is the give-way vessel — Vessel B must yield to Vessel A.
What does three short blasts from a vessel mean?
Answer: I am operating in reverse
Three short blasts signal that the vessel's engines are going astern (in reverse).
A vessel at anchor in fog must sound which signal every two minutes?
Answer: Rapid ringing of a bell for about 5 seconds
A vessel at anchor in restricted visibility must ring a bell rapidly for about five seconds at intervals of not more than two minutes.
Under the Inland Rules, what light must a vessel less than 12 meters in length show when anchored at night?
Answer: One all-round white light
Vessels under 12 meters at anchor must show one all-round white anchor light in a position where it can best be seen.