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.

Sailboats navigating a marina with wind direction marked, illustrating docking techniques and boat maneuvering strategies.

Dock Slips Docking Techniques

Wind coming into the dock slip channel and your boat is to be docked stern-to, steer into the slip channel...
June 3, 2024/by Grant Headifen
Diagram showing a navigational leadline marked with depth in feet from 10' to 50' and angles from 32 to 33 degrees.

Know Your Chart!

Always familiarize yourself with any chart before using it for navigation and plotting of positions; there are significant differences between charts that could lead to mistakes.
October 14, 2023/by Grant Headifen
Diagram of aerodynamic forces on an airfoil and sail, showing lift, drag, and pressure differences for sailing dynamics.

Sailing and Wind Forces

A sailboat moves in upwind and downwind directions. Downwind is intuitive; it just gets blown downwind. But just how does a sailboat move into the wind?
October 24, 2023/by Grant Headifen
Marine electrical panel with switches for AC main, reverse polarity, battery charger, outlets, and spare.

Sailboat Electrical Panels

The sailboat electrical panel, located at the navigation station, normally has two distinct and separately marked sections; one section is devoted to 110-volt or 220-volt AC power and...
October 13, 2023/by Grant Headifen
Magnetic field lines around a bar magnet, illustrating north and south poles with curved lines of force.

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
Sailboats navigating wind direction on blue ocean with mapped pathways and positions.

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
Sea anchor setup on a yacht deck with tow line and deflate line labeled for easy sailing navigation and safety.

Sea Anchor

Finally, there is something called a “sea anchor.” These can be a variety of devices used to slow down a vessel caught in high winds and turbulent seas.
October 13, 2023/by Grant Headifen
Raymarine sailing instrument displaying depth of 9.8 feet and speed of 6.35 knots, with log reading 10321 NM.

Key Sailboat Instruments

Sailboat Instrumentation can be very sophisticated and intelligent. Most electronic displays provide a wide range of menus of useful information...
October 18, 2023/by Grant Headifen
Sailboat heeled over in windy conditions on a sunny day, gliding through blue waters under clear skies.

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
Diagram illustrating a sailboat's interaction with strong wind, showing movement and wind direction.

Planning to use springlines when docking

Like a work of fine engineering, a spring maneuver requires a design. The key is to plan the maneuver by considering the wind, current, and other obstacles, then design the placement and directions of the forces and moments.
May 13, 2024/by Grant Headifen
Diesel engine fuel system diagram showing tank, shut-off valve, filter, fuel pump, injectors, and return line.

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
Two men discussing sailing techniques on a sailboat, part of NauticEd's Instructional Skipper program.

Learning sailing while on a Yacht Charter Vacation

Learn to sail while on vacation with the Instructional Skipper Program. Gain real-world skills and practical experience in beautiful destinations.
December 15, 2024/by Grant Headifen

Basic 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
Sleek yacht interior featuring a shiny stainless steel stove and oven set within polished wooden cabinetry.

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

When Turbulent Flow Happens in Sailing

An airplane stalls and falls out of the sky when the wings stop producing as much lift, similar to when turbulent air flow happens in sailing...
August 22, 2023/by Grant Headifen

Keeping the Telltales Flying Steady

As a sailor we are doing one of two things when it comes to sail trim, either holding a course or trimming to our sails...
August 24, 2023/by Grant Headifen
Diagram of sail with lazy jacks and stackpack bag, showing how sail flakes down along the boom for easy handling.

Unfurling or Raising the Sails

You have motored your vessel from the slip into open water and are now ready to either unfurl or raise the sails, depending on your setup.
October 21, 2023/by Grant Headifen

Typical Sailboat Energy Usage

Here we show the devices and how much energy you would typically use on a sailing boat on a sailing vacation each day.
April 12, 2024/by Grant Headifen
Nautical chart symbols for rocks, wrecks, and obstructions, detailing dangers and depths for safe navigation.

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
Diagram shows electromagnetic induction process and corresponding sinusoidal wave of current amplitude over time.

Alternating Current and Direct Current

In your house, your wall outlets deliver alternating current (AC) electricity. The electricity provided to your house and your marina from the national electric grid is AC. Most of the devices...
October 18, 2023/by Grant Headifen

Boat Heading vs Sail Set and Forces on the Sail

The set of your sail depends on your sailing angle to the wind. You're working to maximize the aerodynamic forces on the sail.
August 30, 2023/by Grant Headifen

Seamanship Nav Rules

Navigation rules refer many times to good seamanship, The best advice we can give here around seamanship is to get experience...
August 31, 2023/by Grant Headifen
Sailboat gliding on calm sea during a vibrant sunset, highlighting the beauty of sailing at dusk.

Vessel Lights and Shapes

Nighttime can be a beautiful time to sail. However, night vision is not the same as day vision and so rules have been established to ensure safety.
October 12, 2023/by Grant Headifen
Person relaxing on an inflatable chair near a sailboat at sunset, serene ocean views, perfect for a peaceful sailing adventure.

Selecting an Anchoring Spot

Selecting an Anchoring Spot - Charts, both electronic and paper will tell you where the reliable anchoring spots are.
April 12, 2024/by Grant Headifen

Last updated on December 6th, 2024