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.

Securing Your Sailboat
It is convenient to have dock lines that are pre-set to the right length with loops on the end and are permanently mounted onto the marina cleats. Now, when you return to the dock you simply slip the loops over your vessel cleats.
October 12, 2023/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
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 HeadifenNavigation Tools
No matter the chart in use, the navigator’s work largely involves the determination of direction and distances. The most useful tools for actual chart work are...
October 25, 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 Fire Extinguishers and Requirements
Fire Extinguishers Fire Extinguishers are given a letter rating that matches the type of fire they will be battling.
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 HeadifenNarrow Channels and Traffic Separation Schemes
Rules 9 and 10 deal with narrow channels and traffic separation schemes, and mainly refer to larger commercial traffic...
August 24, 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
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 Charette
Docking Force Alignment and Moment Balance
When you are docking, if your boat pulls on a line attached to the dock, the line pulls back on your boat. If the forces are aligned, then nothing really happens.
June 9, 2024/by Grant Headifen
Dual Rudder Monohulls
When a monohull sailboat has dual rudders, the boat will act with different characteristics than with a single rudder. Thus, the point of this module is to help you maneuver a dual-rudder monohull sailboat.
May 13, 2024/by Grant Headifen
Diesel Raw-Water System
Raw-water means that the water is straight from outside the boat. It might be seawater - it might be
October 15, 2023/by Grant Headifen
Clouds, Fog, Thunderstorms
Clouds can give a relatively easy and quick look at what might be coming in the future. These clouds then are a good indication of possible changing weather in the next few days.
October 23, 2023/by Grant Headifen
Personal Flotation Devices
The terms “life jacket” and “PFD” are interchangeable, with the latter used in the USA and the former used in most of the rest of the world.
October 17, 2023/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
The Fuel System – Getting Familiar with a Charter Boat
While it is reasonably rare to have a fuel problem on a charter it can certainly happen and you should be prepared to apply the (sometimes simple) solution below.
April 4, 2024/by Grant Headifen
Anchoring Courtesy
After safely and securely anchoring your vessel, there are certain factors to contend with - most are common sense.
October 14, 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
Clothing for Sailing
Dressing appropriately for weather conditions is an important but often overlooked topic. Weather in the marina may be considerably different from weather beyond the marina and conditions can drastically change during your venture.
October 17, 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
Good Captainship
Being a good captain on a bareboat charter is a real skill. It is very unlike being a good captain on a military or commercial ship or even a captain in a local yacht race.
April 5, 2024/by Grant Headifen
Crew Overboard
Crew ("Man") Overboard (MOB) is fortunately relatively rare, but chances are that in your sailing career it will happen.
October 21, 2023/by Grant HeadifenTrue Wind vs. Apparent Wind
Learn the basic difference between True Wind and Apparent Wind...
August 27, 2023/by Grant Headifen


