Questions and Answers
What does a square marker indicate?
What does a diamond marker warn of?
What is indicated by a circle marker?
What does a crossed diamond marker signify?
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What is the appearance of a safe water marker?
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What type of buoy is a mooring buoy?
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What do inland water obstruction markers indicate?
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What is the size and description of a Divers Flag?
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What must be displayed when a vessel is involved in diving activity in federally controlled waters?
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Study Notes
Non-lateral Markers and Their Functions
- Square Marker: Used to provide directions and essential information to navigators.
- Diamond Marker: Serves as a warning sign for potential hazards or obstructions in the waterway.
- Circle Marker: Designates controlled areas where specific regulations may apply.
- Crossed Diamond Marker: Indicates areas that are closed to navigation or access.
Types of Navigational Buoys
- Safe Water Marker: White with red vertical stripes, denote unobstructed water on all sides, used in mid-channels or fairways; vessels may pass on either side.
- Mooring Buoy: Characterized by a white color with a blue horizontal band; located in marinas for legal anchoring; these are the only buoys to which vessels may legally tie up.
- Inland Water Obstruction Marker: Features white with black vertical stripes, signaling an obstruction to navigation; vessels should avoid passing between these markers and the nearest shore.
Flags for Specific Activity Indication
- Divers Flag: A rectangular red flag, measuring at least 14 inches by 16 inches, with a white diagonal stripe; required display when engaging in diving activities in Michigan state waters.
- Alfa Flag: Blue and white international code flag (at least 3.3 feet or 1 meter tall), must be visible from all directions; displayed on vessels in federally controlled waters to signal ongoing diving activities.
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Description
Test your knowledge of non-lateral markers with these flashcards. From squares to safe water markers, each card provides definitions to help you remember their meanings and uses. Perfect for students or anyone needing a refresher on navigation markers.
