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.

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
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 Homann-Charette
Know Your Chart!
Always familiarize yourself with any chart before using it for navigation and plotting of positions; there are significant differences between charts that could lead to mistakes.
October 14, 2023/by Grant Headifen
Fairlead Control
The fairlead is the first control device that the jib sheet passes through on its way back to the cockpit. You can move the fair lead forward or backward.
August 30, 2023/by Grant Headifen
Sails
Sails are sophisticated objects. It is not only the materials they are made from that are important, but also, the way they are cut and sewn.
October 13, 2023/by Grant HeadifenSeamanship Nav Rules
Navigation rules refer many times to good seamanship, The best advice we can give here around seamanship is to get experience...
August 31, 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 HeadifenHeave To
Heave To in sailing is a way to stop the boat with full sails still up. You might do
October 22, 2023/by Grant HeadifenKeeping the Telltales Flying Steady
As a sailor we are doing one of two things when it comes to sail trim, either holding a course or trimming to our sails...
August 24, 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
Bilge Pumps on a Charter Boat
Boats have two types of pumps to empty bilge water; electronic and manually operated.
April 5, 2024/by Grant Headifen
Aids To Navigation (ATONS)
Aids to Navigation include buoys, lights, lighthouses, and markers, among others...
October 13, 2023/by Grant Headifen
Weather Predictions
While we have touched on weather concepts in this Module, no one can expect you to be a meteorologist (unless you are one) and do a good enough job at predicting the weather with enough quality to guarantee your safety.
October 13, 2023/by Grant HeadifenElectric Devices and Standards
A word of caution whenever using any home AC appliances on a vessel. Generally, these devices will work fine
October 16, 2023/by Grant Headifen
Docking onto End Ties
Wind blowing you off the dock end ties, plan a fairly steep approach so that you are facing more into the wind.
March 30, 2024/by Grant HeadifenSafe Speed Nav Rule
The Rule Every vessel shall at all times proceed at a safe speed so that she can...
August 24, 2023/by Grant Headifen
Sailboats vs Sailboats Nav Rules
Sailboats On The Same Tack The Rule 12 a(ii) when both have the wind on the same...
August 24, 2023/by Grant Headifen
Catamaran Maneuvering Mastery
As now learned, Cats can turn inside their own length, they can vector sideways, and using the bulldozer effect you can instantly rotate the Cat to point in any direction, you can do almost anything.
June 1, 2025/by Grant Headifen
Dinghy Safety!
When it comes to dinghy operations, the following is a dangerous attitude: “It’s only a short distance ashore—jump in...
October 17, 2023/by Grant HeadifenSail Trim
While setting the sails to general rules of thumb will get you really close to a good sail set,
October 12, 2023/by Grant HeadifenThe Job of a Sail Trimmer
Sail trimmers in world-class regattas spend years reading and understanding the wind relative to the sails. Sometimes they trim the sheets only a few inches/cm...
August 5, 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
Communications while Underway on a Charter
Contact between vessels, or a boat and a land station, is usually carried out using VHF (Very High Frequency) radios.
April 6, 2024/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 Headifen


