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.
Sailing Safety Introduction
Emergencies at sea extend from simple and almost funny episodes to major challenges that are extremely serious.
October 19, 2023/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 Headifen
Anchoring with Propwalk on a Sailboat
Without proper knowledge of how the boat reacts to the wind and propwalk, anchoring can be a real challenge.
March 27, 2024/by Grant Headifen
Sailboat Running Rigging
A sailboat’s running rigging consists of those items controlling the sails and helping the sails to capture the wind’s energy.
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-CharetteNED Sailing Simulator
Before you play with NED, the sailing simulator, read this first. The graphic below is representative of a real wind meter on...
August 9, 2023/by Grant Headifen
Seacocks – Getting Familiar with a Charter Boat
Seacocks are designed to let water flow out of the hull safely. They are not one-way valves so any loose clamps around the seacock itself create leaks around the hoses and can allow water to enter into the boat. This is usually bad – right?
April 4, 2024/by Grant Headifen
Mast Head and Fractional Rigging
There are two variations on the standing rigging set up: Masthead and Fractional. On masthead rigs, the attachment point for the sidestays (shrouds), forestay, and backstay (if they exist) is at the top of the mast.
October 15, 2023/by Grant Headifen
Motor Sailing
If the wind is light and your time is short you might want to consider motor-sailing—using your auxiliary engine...
October 19, 2023/by Grant HeadifenSailboat Diesel Engine Fluids
Diesel engines make use of a variety of fluids, including raw and coolant water, diesel fuel, and lubricating oil. A problem in the flow of any one of these fluids can cause problems...
October 22, 2023/by Grant Headifen
Sailboats Under Power
A Sailboat Under Engine Power is a Power-Driven Vessel Rule 3(c) The term “sailing vessel” means any vessel under sail provided that propelling machinery...
August 30, 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
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 HeadifenAir Flow over the Sails
Similar to steady flight, we've got to keep the air flowing over the sails smoothly...
August 22, 2023/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
Kids on a Sailing Charter
If you're considering a charter and considering taking your kids - DO IT.
April 3, 2024/by Grant HeadifenSail Twist Basics
How can the wind direction be different between the top of the mast and the bottom?
August 17, 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 HeadifenTrue Wind vs. Apparent Wind
Learn the basic difference between True Wind and Apparent Wind...
August 27, 2023/by Grant Headifen
Towing
The following diagram shows how you can tow another vessel. Form a “bridle” from the rear cleats...
October 24, 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 Headifen
Mediterranean Mooring Techniques
Mediterranean Mooring Techniques is where the rubber meets the road—or, in this case, where the gel coat does not touch the big bad hard concrete wall.
May 15, 2024/by Grant HeadifenDocking Maneuvers with Dual Rudders
With Dual Rudders there is no ability to spring the boat onto or off the dock! You have no water velocity over the rudders from either boat velocity or propwash.
May 24, 2024/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


