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.

Weather Warnings
Weather services will also provide weather warnings, such as small craft or gale warnings for a certain area, as well as fog predictions.
October 16, 2023/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 Headifen
Mast Head pull heeling versus wind heeling
Takeaways: Standing rigging isn’t the place to economize—it’s a load-management system. Use stretchy docklines for masthead pulls, avoid shock loads, and apply smooth, steady pressure. Snatch loads break rigs.
January 3, 2026/by Grant Headifen
Sailboat Generator or Large Battery Bank?
Dedicated electric generators on board sailboats are usually only reserved for large sailboats because of their weight and size. Unless there is a desire for large amounts of electricity...
October 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
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
Propwalk – The Wash Lift effect
The wash-lift effect has been documented heavily by Dave Geer who is one of the worlds leading propeller engineers.
May 1, 2024/by Grant Headifen
Lifts and Knocks in Sailing
Lifts and Knocks are technical terms for how the direction of the wind changes, requiring changes in how you respond while sailing...
August 11, 2023/by Grant Headifen
Diesel Fuel
The search, discovery, refinement and resource control of fuel has a rich and very sordid history. But just like...
October 18, 2023/by Grant HeadifenPropeller Entanglement
If there is a sudden slowing or stopping of the engine while motoring it is possible that you have picked up some floating line, hopefully not from your vessel.
October 17, 2023/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
Understanding How Airflow Creates Lift
Understanding how Airflow creates lift and the need for smooth airflow when sailing...
August 23, 2023/by Grant Headifen
Running Aground
In the information age, running aground is usually caused by an amateur mistake, and besides the potential damage, it is also highly embarrassing.
October 23, 2023/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
Getting the General Feel of Maneuvering a Catamaran
Some have compared maneuvering a catamaran with driving a bulldozer. Well . . . perhaps!
May 19, 2024/by Grant HeadifenResponsibility between Vessels Nav Rules
Every vessel has a definition of being one and only one of the below at all times. And each vessel has the ability to morph from one to the other.
August 26, 2023/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
Sailboat Design
Surely, the first sailboat was invented by a five-year-old child with a block of wood. He or she stuck a twig through a piece of animal skin and then down into a knothole in the wood.
October 24, 2023/by Grant Headifen
Sailboat Solar Power
Solar panels produce DC power and are used to charge the batteries. A relatively small solar panel such as 1 square foot (0.1 m2) can produce about 1½ amps at...
October 24, 2023/by Grant Headifen
Galley Stove on a Charter Boat
The vast majority of vessels in charter fleets are equipped with propane-burning galley stoves.
April 7, 2024/by Grant Headifen
Holding a Straight Course in Sailing
Holding a straight course is an imperative skill to master as you learn to sail. As an experienced sailor, nothing is more distracting to a good day out sailing than a novice helmsperson swinging the boat in all directions.
October 12, 2023/by Grant Headifen
Boat Safety Sound Signals
Sound signals are defined and prescribed in the Navigation Rules for International and Inland Waters. Sound has an advantage over light signals, in that it can be used when vision fails.
October 25, 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
Types of PFDs
Types of PDF's Here is a graphical explanation between a lifejacket and a buoyancy vest. PFD Type ratings are being phased out...
October 18, 2023/by Grant Headifen


