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.

Sailing Wind Velocity & Direction
The faster the boat sails into the wind, the more the apparent wind speed increases and the more it feels like it is coming from the front of the boat. They say "The apparent wind is forward of the true wind". This means the apparent wind feels like it comes from a more forward direction than the true wind.
October 19, 2023/by Grant HeadifenElectronic Navigation
We are well into the 21st century. Chances are that within 30 feet (10 meters) of you right now there are 2-3 GPS-enabled potentially lifesaving devices...
October 20, 2023/by Grant Headifen
Some Navigation Rules Terminology
Understanding Navigation Rules begins with learning some basic Navigation Rules terminology...
August 23, 2023/by Grant Headifen
The Nautical Chart
Safely maneuvering a vessel while using positions derived from various coastal and near coastal sources is called coastal navigation.
October 24, 2023/by Grant Headifen
Names of Thingys in Sailing
There's a lot of terminology in sailing, and to get started with sail trim we recommend beginning with some key sailing "thingy" terms.
August 2, 2023/by Grant Headifen
Understanding the Safety Position in Sailing
Learn how the Safety Position — a controlled, depowered close reach — helps sailors pause safely without losing steerage. Ideal for MOB drills, instruction, and more.
July 12, 2025/by Grant Headifen
Sea Anchor
Finally, there is something called a “sea anchor.” These can be a variety of devices used to slow down a vessel caught in high winds and turbulent seas.
October 13, 2023/by Grant HeadifenThe Nautical Chart on a Charter
Even though most sailboat charters are within island groups where the next landfall is typically within sight, every boat should be equipped with complete large-scale charts of the area.
April 5, 2024/by Grant Headifen
The Engine – Getting Familiar with a Charter Boat
While this is a sailing boat propelled by the wind and mostly without the need for burning fossil fuels the most devastating breakdown besides hull failure is the engine.
April 4, 2024/by Grant Headifen
Sailing Directions
Directions are super important because while sailing, you will always be in communication with others regarding directions of obstacles, wind changes, your destination, water current, and other boat traffic.
October 21, 2023/by Grant HeadifenMore Basic Sail Twist
The wind at the top of the mast has more heeling leverage on the boat than the wind lower...
August 21, 2023/by Grant Headifen
Mediterranean Mooring – Long Line Ashore
The long-line-ashore is a useful Mediterranean mooring method. It is mostly used in the Mediterranean as a customary way of mooring a lot of boats along a shoreline.
May 6, 2024/by Grant Headifen
Leaving the Slip with a Sailboat
Wind coming into the slip channel and your boat is stern-to. This is best handled by steering out of the slip and then immediately downwind. Back out of the slip channel and well into the main channel before engaging forward.
April 1, 2024/by Grant Headifen
Chart Symbols
Studying a harbor layout does very little good without understanding the symbols and what they signify. It pays to
October 17, 2023/by Grant Headifen
Sailboat Diesel Closed Water System
The second sailboat cooling system fluid is called the closed or coolant water system.
October 23, 2023/by Grant Headifen
Charter Freezer and Fridge Management
Freezers are typically top-loading and very deep. Take from home 4 -5 fabric shopping bags to stow similar items in the freezer. In doing this you...
April 1, 2024/by Grant HeadifenWhen Turbulent Flow Happens in Sailing
An airplane stalls and falls out of the sky when the wings stop producing as much lift, similar to when turbulent air flow happens in sailing...
August 22, 2023/by Grant Headifen
Sailboat Inverters
Sailboat Inverters are devices used to convert 12-volt DC battery electricity to AC 110-volt or 220-volt electricity. Special electronics in
October 13, 2023/by Grant Headifen
Understanding Energy and Power
Energy: The concept of energy is likened to water for the easiest understanding. A bucket of water holds a specific amount of water which is measured in a quantity of gallons or liters. It is finite; when it is all drained out, it is gone. To gain more, it must be replaced from a source.
April 14, 2024/by Grant Headifen
Using Prop Walk
You can use prop walk to turn your boat in a tight marina by applying forward and reverse gears at appropriate times, leaving the rudder locked to starboard.
May 31, 2024/by Grant HeadifenSail TellTales
"Telltales" attached to the sail in strategic positions to "tell" us what the wind is doing at that exact location.
August 11, 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 Headifen
Latitude and Longitude
The latitude and longitude coordinate system is the key navigational concept for sailing. It is the mariner’s coordinate system.
October 12, 2023/by Grant HeadifenAction by a Give-Way Vessel
The Nav Rule Every vessel which is directed to keep out of the way of another vessel shall...
August 23, 2023/by Grant Headifen


