Boating Knowledge Base
Have a sailing question? Access NauticEd’s sailing and boating knowledge base, and gain in-depth answers to your sailing questions. If you’re interested in powerboating, visit our new powerboating blog.

The Geography of Confidence
Unlock your boating potential by gaining knowledge. Explore how boating confidence through education expands your horizons.
September 14, 2025/by Merrill Homann-Charette
Sails – Getting Familiar with a Charter Boat
We’re pretty certain here that you know how to operate sails on a sailboat, however – chances are that you’re chartering a boat much bigger than you’re normally used to.
April 3, 2024/by Grant HeadifenTypical Sailboat Energy Usage
Here we show the devices and how much energy you would typically use on a sailing boat on a sailing vacation each day.
April 12, 2024/by Grant Headifen
Crossing Situations Nav Rules
The Rule 15 (a) when two power-driven vessels are crossing so as to involve risk of collision, the vessel...
August 24, 2023/by Grant Headifen
Winged Sail Vector Diagrams
Sail and Winged Sail Wind Force Vector Diagrams. And it's highly relevant right now because of the America's Cup AC45 catamarans using winged sails.
August 26, 2023/by Grant Headifen
Sailboat Gear and Throttle Controls
Sailboats, and boats in general, use their gears and throttle to control momentum. It’s unlike driving a car in that you have no brake! Instead, you use your forward and reverse gears and throttle to both increase and decrease speed...
May 22, 2024/by Grant Headifen
Magnetism
We begin with a phenomenon called magnetism. This phenomenon was known thousands of years before electricity. Magnetism was discovered...
October 16, 2023/by Grant Headifen
Showering on a Charter Boat
Charter boat guests use the showers not only for basic hygiene, but must also rinse off seawater after swimming to avoid nasty skin rashes (sailor’s sores).
April 3, 2024/by Grant Headifen
Risk of Collision when Sailing
The Rule of Risk of Collision is that every vessel shall use all available means appropriate to the prevailing circumstances...
August 26, 2023/by Grant HeadifenMooring a Sailboat
Mooring a vessel means attaching it to a float that is firmly and permanently anchored to the sea bottom.
October 14, 2023/by Grant HeadifenNarrow Channels and Traffic Separation Schemes
Rules 9 and 10 deal with narrow channels and traffic separation schemes, and mainly refer to larger commercial traffic...
August 24, 2023/by Grant Headifen
Navigation Introduction
The history of navigation is fascinating and dates back to as many centuries as we can imagine.
October 15, 2023/by Grant HeadifenTrue Wind vs. Apparent Wind
Learn the basic difference between True Wind and Apparent Wind...
August 27, 2023/by Grant Headifen
Sailboat Diesel Water Systems
Diesel engines run hot because of high compression and therefore need to be cooled. Fortunately, ample cooling is readily available from the water the vessel is sailing in.
October 22, 2023/by Grant Headifen
Propwalk factors – The p factor
There are two combined reasons that work in unison to create propwalk.
May 16, 2024/by Grant Headifen
Electricity and Charging Your Devices on a Charter
It’s a given, we can’t live without electricity. At home, we have all the conveniences and all the chargers we need. But what about on a boat on a sailing vacation? What can I charge and what voltage is available?
April 4, 2024/by Grant Headifen
Personal Flotation Devices
The terms “life jacket” and “PFD” are interchangeable, with the latter used in the USA and the former used in most of the rest of the world.
October 17, 2023/by Grant Headifen
Clothing for Sailing
Dressing appropriately for weather conditions is an important but often overlooked topic. Weather in the marina may be considerably different from weather beyond the marina and conditions can drastically change during your venture.
October 17, 2023/by Grant Headifen
Understanding How Airflow Creates Lift
Understanding how Airflow creates lift and the need for smooth airflow when sailing...
August 23, 2023/by Grant HeadifenAir Flow over the Sails
Similar to steady flight, we've got to keep the air flowing over the sails smoothly...
August 22, 2023/by Grant Headifen
Sailboat Maneuvering Topics
With practice, wind direction and current direction are not too much of a problem. But what can get you into trouble is extremely high winds. Be prepared to change...
October 13, 2023/by Grant Headifen
Lights on ATONS
Lights are installed on some ATONS. The lights are usually alternating on and off on some consistent interval to distinguish one ATON from another.
October 24, 2023/by Grant HeadifenStarting the Diesel Engine
Prior to starting the diesel engine: Become familiar with how and when a vessel’s transmission gear shift...
October 17, 2023/by Grant Headifen
Dinghy on a Bareboat Charter
Several things to note about the dinghy on a Bareboat Charter.
April 11, 2024/by Grant Headifen


