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.

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 HeadifenBasic Surface Geometry
Below is a brief summary of how locations are commonly expressed on different surfaces.
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 Headifen
Sailing to a Mooring Ball
Sailing up to a mooring ball is an advanced skill. It will definitely prove your finesse for handling the boat and managing the crew.
September 29, 2024/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
Rigging
At boat shows, we see folks huddled down in the vessel’s salon oohing and aahing at the leather cushions to sit on, and at the electronic gadgets for navigation and entertainment.
October 24, 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
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 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 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
Luffing and Backwinding Sails
Luffing is when the sail is flapping in the wind. Back winding happens usually right before luffing occurs.
August 22, 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 HeadifenTake Note When the Boat Heels Over or Stands Up
At a sailing group meeting, someone mentioned they were having trouble determining if the boat was pinching or not.
October 16, 2023/by Grant Headifen
Wind
Winds can be gentle, hardly felt, like zephyrs flitting about in a local area, or they can be vast movements of air moving swiftly across oceans and continents at low and high altitudes.
October 22, 2023/by Grant Headifen
Maintaining a Lookout
The Rule Every vessel shall at all times maintain a proper look-out by sight and hearing as...
August 28, 2023/by Grant Headifen
Prop Walk Bests You
There is one situation where you are just going to have to suck it up, admit defeat, and work with the forces of nature.
June 9, 2024/by Grant Headifen
Aids To Navigation (ATONS)
Aids to Navigation include buoys, lights, lighthouses, and markers, among others...
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
Rudder Force with Spring Lines
The rudder can be a big help because it can change the direction of the thrust force.
April 29, 2024/by Grant Headifen
The Autopilot on a Charter
The autopilot is a great tool for those long hauls and it’s probably better at holding a straight line than most of us.
April 10, 2024/by Grant HeadifenBasic Telltale Control continued
Controlling the telltales by making course adjustments - when making the woolies fly by making course adjustments the rule is...
August 14, 2023/by Grant Headifen
Sailboat Wind Power Generators
Wind-power generators are typically installed only on ocean-crossing vessels, where the vessel is away from the marina for extended periods of time and where there is a need for conserving onboard fuel.
October 23, 2023/by Grant HeadifenMomentum on a Sailboat
While sailboats are primarily powered by wind, the use of an engine (technically your sailboat engine is “auxiliary power”) is crucial for certain maneuvers and situations. All of this begins with understanding the momentum of a sailboat!
May 26, 2024/by Grant Headifen
Waves, Swells, and Depth
Since waves are primarily the result of surface wind action, they can be accurately predicted. Waves have troughs and crests.
October 15, 2023/by Grant Headifen


