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.

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 Headifen
Crossing Situations Nav Rules
The Rule 15 (a) when two power-driven vessels are crossing so as to involve risk of collision, the vessel...
August 24, 2023/by Grant Headifen
Sailing Safety Equipment
There is a plethora of equipment specially designed for a variety of emergencies at sea. Some are inexpensive...
October 16, 2023/by Grant Headifen
Sailing Personnel Emergencies
As the skipper of a vessel, you are expected to be able to handle situations thrust upon you at a moment’s notice. Many of these situations are boat-related issues, but there are also crew injury issues for which you should be prepared to assess and handle at least enough until professional assistance arrives.
October 16, 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 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
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
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
Basic Sail Telltale Control
Controlling the Telltales by Trimming the Sail. The concept here is actually pretty simple. The golden rule is, when...
August 24, 2023/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
Fire on a Sailboat
Putting out fires quickly is essential. The sooner you find the source the quicker the fire can be extinguished.
October 21, 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
The Geography of Confidence
Unlock your boating potential by gaining knowledge. Explore how boating confidence through education expands your horizons.
September 14, 2025/by Merrill Homann-Charette
Winged Sail Vector Diagrams
Sail and Winged Sail Wind Force Vector Diagrams. And it's highly relevant right now because of the America's Cup AC45 catamarans using winged sails.
August 26, 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
Sailboat Diesel Closed Water System
The second sailboat cooling system fluid is called the closed or coolant water system.
October 23, 2023/by Grant HeadifenMarine Radio Licensing
To operate a marine radio lawfully, you must comply with the laws of the country in which you are operating the radio.
April 15, 2024/by Grant Headifen
High Wind and Gust Management in Sailing
Professional sail trimmers deal with high winds and gusts by managing the traveler and mainsheet simultaneously. The fairlead position...
August 13, 2023/by Grant Headifen
Non-Electronic Communications
Sailing has been around for thousands of years. Electronic Communications has been around for less than 100 years (not counting the telegraph).
October 24, 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 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
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 HeadifenStarting the Diesel Engine
Prior to starting the diesel engine: Become familiar with how and when a vessel’s transmission gear shift...
October 17, 2023/by Grant Headifen


