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 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 Headifen
Global Positioning System
GPS stands for global positioning system. It uses a network of satellites in orbit. Although the GPS is used as a navigation device, it is also a form of communication to the vessel.
October 14, 2023/by Grant HeadifenHull and Keel
A sailboat’s hull and keel receive considerable attention from a sailboat designer since they determine the capacity of the vessel, how fast it will go, and the degree of safety and comfort.
October 16, 2023/by Grant Headifen
Sinking
A boat sits down in the water until it has displaced the same weight of water as the weight of the boat. It is a universal arrangement between boat and water...
October 25, 2023/by Grant HeadifenSeasickness on a Bareboat Charter
Here is some education about sea sickness that can help you and your crew overcome it.
April 12, 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 Headifen
Available Energy Stored in a Battery
You don’t actually run all of the electron charge out of a battery when it is considered empty.
April 13, 2024/by Grant Headifen
Learning sailing while on a Yacht Charter Vacation
Learn to sail while on vacation with the Instructional Skipper Program. Gain real-world skills and practical experience in beautiful destinations.
December 15, 2024/by Grant Headifen
Sailboat Battery Charging
Like a water bucket, batteries have a specific storage capacity and must be refilled/recharged when their contents of energy are depleted.
October 20, 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
Anchoring
Anchoring is not simply throwing a “hook” and letting out a line. However, after watching some sailors, this seems to be their theory. Successful anchoring requires a plan considering all the factors.
October 24, 2023/by Grant HeadifenSailboat Diesel Engine
Thanks go to Mr. Rudolf Diesel who years ago in Germany cleverly invented an engine that today bears his name (luckily, they chose to use his last name)—the sailboat diesel engine.
October 21, 2023/by Grant HeadifenVessels in Restricted Visibility
What is the safe speed at night, in fog? As safe as it needs to be under good seamanship.
August 28, 2023/by Grant Headifen
Catamaran vs Monohull: A Real-World Comparison for Cruisers
Comparing catamaran vs monohull for cruising? This guide breaks down comfort, sailing feel, cost, safety, and real-life tradeoffs that matter.
June 27, 2025/by Merrill Charette
Sailboat Engine and House Systems
Perhaps the most important use of DC power on a vessel is for starting the engine. Considerable power is needed for this task and if the engine does not start immediately...
October 19, 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
Sailing Vessel Preparation
Sometimes it is a good idea to get nasty stuff out of the way first as well as prepare your boat and crew.
October 25, 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
Raising the Alarm in Emergencies
A comprehensive list of how and the equipment used to raise the alarm in sailing emergencies
October 22, 2023/by Grant Headifen
Boat and Equipment Emergencies
The character MacGyver in the TV show of the same name would have made a great sailor. Why? Because he could fix anything and a boat is a concoction of a kajillion gadgets busting to rot...
October 19, 2023/by Grant Headifen
Anchoring with multiple anchors
Setting multiple anchors has multiple advantages. It reduces swing, reduces the holding load required by each anchor, and can act as a backup.
April 13, 2024/by Grant Headifen
Head-on Nav Rules Situation
The Rule (a) Unless otherwise agreed when two power-driven vessels are meeting on reciprocal or nearly reciprocal...
August 26, 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
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 Headifen


