Coast Guard Navigation and Seamanship Flashcards
7 cards from real Coast Guard 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 Coast Guard Navigation and Seamanship flashcards as text
In the Navigation Rules, which vessel is the 'give-way' vessel in a crossing situation between two power-driven vessels?
Answer: The vessel that has the other on its starboard side
The vessel with the other on its starboard (right) side must give way and keep clear.
What does the term 'draft' refer to on a vessel?
Answer: The depth of water needed to float the hull
Draft is the vertical distance from the waterline to the lowest point of the hull.
A red-and-white vertically striped buoy generally indicates what?
Answer: Safe water or mid-channel
Red-and-white vertically striped buoys are safe-water marks indicating mid-channel or a landfall.
Five or more short, rapid blasts of the whistle signal what to another vessel?
Answer: Danger or doubt about intentions
Five or more short rapid blasts is the danger signal, used when a vessel doubts another's actions.
What is the error in a magnetic compass caused by the boat's own metal and electrical equipment called?
Answer: Deviation
Deviation is compass error produced by magnetic influences aboard the vessel itself.
When anchoring, what is the recommended minimum scope (ratio of anchor line to water depth) for good holding in calm conditions?
Answer: 7 to 1
A scope of about 7:1 provides reliable holding under normal conditions.
Which document must a mariner consult for predicted times of high and low water?
Answer: Tide tables
Tide tables give predicted heights and times of high and low water for reference stations.