Boater Safety Flashcards

Questions and Answers

What factors does boat capacity depend on?

Hull volume, dimension, and engine weight and mounting.

The number of seats in a boat is NOT an indication of the number of people it can safely carry.

True

Boats less than 20 feet powered with an inboard, outboard, or stern drive engine manufactured after November 1, 1972 can be determined by certain safety standards.

True

According to U.S. Coast Guard statistics, capsizing is NOT a leading cause of fatal accidents.

False Signup and view all the answers

What is the maximum capacity of boats powered by outboards?

The maximum capacity of people in pounds, maximum weight capacity (persons, motor, and gear) in pounds, and maximum horsepower capacity. Signup and view all the answers

What is the capacity consideration for boats powered by inboards and stern drives?

The maximum capacity of people in pounds and maximum weight capacity (persons and gear). Signup and view all the answers

What should the maximum capacity of manually propelled boats include?

Maximum capacity of people in pounds and maximum weight capacity (persons and gear). Signup and view all the answers

For boats under 20 feet, or boats without a capacity plate, a way to determine how many people you may safely carry is to use the formula: Boat Length (in feet) X Beam (in feet) / ___

15 Signup and view all the answers

What characterizes planing hulls?

Designed to plane or ride on top of the water, requiring less power to reach high speeds. Signup and view all the answers

What shape do displacement hulls typically have?

Rounded bottom with a teardrop shape. Signup and view all the answers

What is a characteristic of flat bottom boats?

They can easily get on plane at high speeds but do not handle well in choppy or rough water. Signup and view all the answers

What is a feature of round bottom boats?

They glide through the water and are efficient at moving but are typically slower. Signup and view all the answers

What is the benefit of cathedral hulls?

They provide greater stability due to the air pocket formed between the hulls. Signup and view all the answers

What do deep-V hulls aim to achieve?

High speeds and smoother rides through rough water. Signup and view all the answers

What does a tunnel hull consist of?

Two deep-V hulls joined by a platform/cockpit area. Signup and view all the answers

Where must boat numbers be affixed?

On the forward portion of both the port and starboard side. Signup and view all the answers

Study Notes

Boat Capacity

Boat capacity is based on hull volume, dimensions, engine weight, and mounting.
The number of seats does not indicate the safe carrying capacity of a boat.

Regulations for Boats

Boats under 20 feet with specific engine types manufactured after November 1, 1972, have particular regulations.
Capsizing is a leading cause of fatal boating accidents, contrary to some beliefs.

Capacity Standards for Different Boat Types

Boats powered by outboards have distinct maximum capacities for persons and gear, alongside horsepower limits.
Inboard and stern drive powered boats have different calculations for maximum person capacity and weight, not adhering to the Coast Guard Safe Powering Standard.
Manually propelled boats have specified maximum capacities similar to powered boats.

Estimating Safe Capacity

For boats under 20 feet or without capacity plates, use the formula: Boat Length (in feet) X Beam (in feet) / 15 to estimate safe carrying capacity.

Hull Types

Planing Hulls: Designed to ride on top of the water; have flatter bottoms that allow for easier planning and higher speeds but poor handling in rough waters.
Displacement Hulls: Rounded bottoms that efficiently displace water equal to their weight; limited speed based on waterline length (max speed is top-end = √(Waterline length) x 1.34).
Flat Bottom: Common in small open boats, stable in calm waters but not in rough water; caution needed with stability.
Round Bottom: Moves efficiently through water but tends to roll with waves, can cause seasickness.
Cathedral Hull: Two or more hulls giving greater stability and potential for lift due to air pockets between them.
Deep-V Hull: Designed for high speeds and rough water, offering smoother rides than flat or round hulls but requiring more power.
Tunnel Hull: Associated with catamarans, combines deep-V hulls for stability and speed, effective in various seas.

Boat Identification

Boat numbers must be displayed on the forward part of both port and starboard sides for identification purposes.

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Test your knowledge of boater safety with these flashcards! Each card covers essential terms and true/false questions related to safe boating practices and regulations. Perfect for beginners and experienced boaters alike.