Online Boating Course - The Boat - How to Measure Length

BoatingBasicsOnline.com - Basic Boating Safety Course
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Chapter III - The BoatSection 3 - How To Measure Length

Course Contents
I Introduction
II Educational Objectives
How to Get Your Certification
III The Boat
1. Terminology
2. Boat Types
3.

How to measure length
4. Hull designs and uses
5. Types of hulls
6. Propulsion
7. Boat Capacity Plate
8. Engine Systems
9. Semi-Annual Safety Checklist
Review Quiz-3
IV Legal Requirements
1. Registration and numbering
2. Required Equipment
2a. Personal Flotation Devices (PFD's)
2b. Navigation Lights
2c. Fire Extinguishers
2d. Ventilation
2e. Sound Signals
2f. Pollution Regulations
3. Recommended Equipment
Review Quiz-4
V Preparation
1. Vessel Check List
2. Trailering
3. Awareness of environmental conditions
4. Float Plan
5. Preventive Maintenance
6. Fueling
Review Quiz-5
VI Operations
1. Operator responsibility
1a. Courtesy
1b. Alcohol
2. Navigation Rules
2a. Definitions
2a. Seamanship
2a. Sound Signals
2b. Rules of the Road
2b. Meeting, Crossing & Overtaking
2c. Restricted Visibility
3. Aids to Navigation
Review Quiz-6
VII Getting Underway
1. Line Handling and Marlinespike
2. Docking/Undocking Plan
3. Maneuvering Underway
4. Anchoring
5. Water Sports
6. Personal Watercraft
Review Quiz-7
VIII Accidents
1. Fatal Vs Non-fatal
2. Accident Reports
3. Crew Overboard
4. Assistance from shore
5. Hypothermia
6. Fires on Board
7. First Aid
8. Rendering Assistance
9. Going Aground
Review Quiz-8
IX Special Items
1. Vessel Emergency Repairs
2. Locks
3. Dams
4. Security
5. Sailing
Review Quiz-9
X State Specific Requirements
Final Exam

Boating Basics
Glossary of Terms

How To Measure Length

A motor boat is measured along its centerline from the outside of the hull aft to the outside of the hull forward. This measurement does not include any attachments such as swim platforms, outboard motors, bow sprits, etc. This measurement is called the length overall (LOA). You may also hear the term length of waterline or load waterline (LWL). This is the length of the boat, parallel to its centerline, at the line where it meets the water.

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