Navigation Rules 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 flashcards as text
What does a vessel display when it is anchored at night?
Answer: An all-round white light
An anchored vessel displays an all-round white light visible from 2 miles.
What action should a power-driven vessel take when it is the stand-on vessel in a crossing situation?
Answer: Maintain course and speed, but be ready to take action if necessary
The stand-on vessel must maintain course and speed but must act if collision becomes inevitable.
At what range must a vessel's masthead light be visible?
Answer: 3 nautical miles
A masthead light on a power-driven vessel 50 meters or more in length must be visible at 6 miles; for smaller vessels it varies, but 3 miles is the standard for vessels 12–50 meters.
A vessel engaged in towing with a tow exceeding 200 meters astern displays what lights at the masthead?
Answer: Three masthead lights in a vertical line
Three masthead lights in a vertical line indicate a towing vessel whose tow exceeds 200 meters.
Which situation describes a head-on meeting scenario?
Answer: Vessels approaching end-on or nearly so
A head-on situation exists when vessels are approaching end-on or nearly end-on so both see each other's masthead lights in line.
What lights must a vessel under oars display at night?
Answer: A flashlight or lantern showing a white light
A vessel under oars may display the lights of a sailing vessel but must at minimum show a flashlight or lantern with a white light.
What does the term 'safe speed' require of a vessel operator?
Answer: Setting a speed that allows proper action to avoid collision within an appropriate distance
Safe speed allows the vessel to stop or maneuver effectively within the distance required by prevailing conditions.