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.

Crew celebrating on a sailboat race, clear skies and other sailboats in the background.

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

Take 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
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
Sailing boat battery switch panel with labels and on/off toggles for negative and positive connections.

DC Electrical System on a Charter Boat

Batteries power the 12 Volt DC “house” electrical system. There may be one or several batteries linked together to supply power...
April 1, 2024/by Grant Headifen
Red and blue waterproof sailing jackets, perfect for marine adventures and protection against harsh weather.

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 Headifen
Sailing diagram showing boat heading angles: 30, 60, 90, and 120 degrees off wind direction. NauticEd education info.

Best Angle to the Wind when Sailing

Here's a diagram to show you what "degrees off the wind" means. Sails, unlike wings, get their shape from the wind pressure against the fabric....
August 13, 2023/by Grant Headifen
West Marine deep cycle battery, Group 31, for reliable marine power and extended 105 amp hours performance.

Marine Batteries

The source of DC power is usually one or more marine-grade batteries, normally 12 volts each. They are similar to automobile batteries, except sturdier—and of course more expensive.
October 18, 2023/by Grant Headifen
Catamaran and monohull sailboats docked; text Catamaran vs Monohull overlaid, highlighting sailing choice options.

Catamaran vs Monohull: A Real-World Comparison for Cruisers

Comparing catamaran vs monohull for cruising? This guide breaks down comfort, sailing feel, cost, safety, and real-life tradeoffs that matter.
June 27, 2025/by Merrill Homann-Charette
Red fire blanket case with safety instructions and pull tapes, designed for emergency fire control and safety preparedness.

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
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 showing three sailboats docking with wind direction labeled, demonstrating optimal approach angles.

Leaving the Dock – End Ties

Wind pushing you away from the dock - This is the simplest scenario. Once you are confident of your plan, release and stow dock lines, then allow the wind to push the boat clear of other obstacles.
May 5, 2024/by Grant Headifen
Sailboat anchored in serene blue water near rocky coast, ideal for sailing adventures and peaceful escapes.

Anchoring

Anchoring is not simply throwing a “hook” and letting out a line. However, after watching some sailors, this seems to be their theory. Successful anchoring requires a plan considering all the factors.
October 24, 2023/by Grant Headifen
Boat battery wiring diagram showing engine, alternator, battery banks, isolator, charger, and shore power connections.

Typical Boat and Battery Wiring Schematic

Here is a typical wiring schematic of how your batteries are connected into your boat and charging system.
April 15, 2024/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

More Basic Sail Twist

The wind at the top of the mast has more heeling leverage on the boat than the wind lower...
August 21, 2023/by Grant Headifen
Blue nautical first aid kit with red handles, essential for boating safety and emergency preparedness.

Crew Safety Briefing

You can avoid many emergencies by conducting a proper safety briefing before leaving the dock.
October 24, 2023/by Grant Headifen
Sailboat engine cooling system diagram showing fluid flow through heat exchanger and pumps.

Sailboat Diesel Closed Water System

The second sailboat cooling system fluid is called the closed or coolant water system.
October 23, 2023/by Grant Headifen
Sailor in survival suit boarding liferaft from yacht for safety drill on calm water, emergency preparedness at sea.

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
Sailboat deck with installed solar panels, capturing sunlight for sustainable energy on the water.

Topping Up your Energy on a Sailboat

There are several methods to top-off your energy on a sailboat.
April 14, 2024/by Grant Headifen
Marine HVAC system with controls for boat climate management. Compact unit for efficient onboard air conditioning.

Air Conditioning on a Sailboat

Air conditioning is an enormous energy drain.
April 9, 2024/by Grant Headifen

Navigation 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
Sailboat engine with labeled oil dipstick and water pump, showcasing essential maintenance points.

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
Diagram of a sail with terms: head, luff, leech, foot, tack, clew, jibsail, jibsheet, fairlead, and geometric center.

Names of Thingys in Sailing

There's a lot of terminology in sailing, and to get started with sail trim we recommend beginning with some key sailing "thingy" terms.
August 2, 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

Last updated on December 6th, 2024