ABC Boating Section 9 to 12

What information do charts provide for navigation?

Charts provide information on underwater depth, areas of depth changes, and obstacles or hazards.

What is the primary role of a skipper in piloting?

The primary role of a skipper in piloting is directing the vessel safely and efficiently across the water to a planned destination using navigational skills.

What is the difference between traditional and electronic navigation?

Traditional navigation requires effort to determine your location at various times, while electronic navigation allows you to know your position at any time with the touch of a button.

What are digital charts?

Digital charts are electronic versions of paper charts displayed on a computer or chart plotter that allow for plotting courses and storing waypoints.

What is the scope in anchoring?

Scope is the ratio of the length of anchor line or road to the depth of the water, affecting the horizontal pull on the anchor.

What is the difference between Danforth and plow type anchors?

Danforth anchors are lightweight and bury themselves in sand but have limited penetration in grass or clay, while plow anchors are better at digging and holding under various conditions.

What should you do if someone falls overboard?

Shout 'man overboard,' press the MOB key on GPS, keep the victim in sight, and approach against the wind and waves.

What are the four stages of cold water immersion?

1. Initial cold shock (0-5 min), 2. Short term swim failure (3-30 min), 3. Long term immersion hypothermia (after 30 min), 4. Post immersion collapse.

What steps should you take in the event of a fire on board?

Prioritize people's safety, get people upwind, issue a distress call, turn off fuel and power, locate the fire source, use extinguishers, and evacuate if necessary.

What is the proper response if you capsize?

Take a head count, put on a PFD, use signaling devices, and attempt to reach the shore or shallow water.

What causes carbon monoxide poisoning on boats?

Carbon monoxide is produced by burning fuels and blocks oxygen in the bloodstream, leading to potentially fatal symptoms.

What should you do to prevent collisions while boating?

Follow navigation rules, maintain a proper lookout, and avoid high speeds and distractions.

What are the procedures recommended for operating in restricted visibility?

Reduce speed, ensure life jackets are worn, post lookouts, turn on navigation lights, and sound proper signals.

What is the primary distress channel for VHF radio communications?

Channel 16 is the distress safety and calling channel.

What is the correct response to a Mayday call?

A Mayday call is used to ask for assistance when there is imminent danger to life or property.

What is the significance of the 'one third rule' for fuel management?

The one third rule states to use one third of the tank to reach the destination, one third for the return, and keep one third for emergencies.