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.

Diagram of sailing angles: upwind and downwind with wind direction indicated. Ideal for navigational strategies.

Sailing Directions

Directions are super important because while sailing, you will always be in communication with others regarding directions of obstacles, wind changes, your destination, water current, and other boat traffic.
October 21, 2023/by Grant Headifen
Father and daughter enjoying sailing, adjusting ropes on a sunny day at sea.

Kids on a Sailing Charter

If you're considering a charter and considering taking your kids - DO IT.
April 3, 2024/by Grant Headifen
Diagram of yacht mainsail with furling system, showing compartments for sail furl and cable run from forward to aft.

Standing Rigging

To keep the mast from toppling over, an array of rods, cables, ropes (lines), and wires are attached at various spots on the mast and run down to the bow, stern, and sides of the vessel.
October 23, 2023/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
Map showing tanker ship positions and details, including Marida Patea, with color-coded directional arrows.

Risk of Collision when Sailing

The Rule of Risk of Collision is that every vessel shall use all available means appropriate to the prevailing circumstances...
August 26, 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
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
Schematic of boat bilge pump system with battery, manual and float switches, showing hull and water levels.

Bilge Pumps on a Charter Boat

Boats have two types of pumps to empty bilge water; electronic and manually operated. 
April 5, 2024/by Grant Headifen

True Wind vs. Apparent Wind

Learn the basic difference between True Wind and Apparent Wind...
August 27, 2023/by Grant Headifen

Heave To

Heave To in sailing is a way to stop the boat with full sails still up. You might do
October 22, 2023/by Grant Headifen
Sailboat engine cooling system diagram showing fluid flow through heat exchanger and pumps.

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
Two sailboats navigate wind conditions of 20 and 10 knots, illustrating sailing dynamics and wind impact.

Reefing the Sails

Before heading out, check forecasted wind conditions to see if you might need to reef at some point during the day. If so, make appropriate reefing preparations in the calm marina and ensure your crew knows the procedure.
October 12, 2023/by Grant Headifen

Narrow 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
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
VHF marine radio with distress alert, important for boating safety and emergency communication.

Raising the Alarm in Emergencies

A comprehensive list of how and the equipment used to raise the alarm in sailing emergencies
October 22, 2023/by Grant Headifen

Starting 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

Safe 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
Comparison of lifejacket and buoyancy vest, illustrating flotation differences in water safety gear.

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

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

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

Momentum on a Sailboat

While sailboats are primarily powered by wind, the use of an engine (technically your sailboat engine is “auxiliary power”) is crucial for certain maneuvers and situations. All of this begins with understanding the momentum of a sailboat!
May 26, 2024/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
Rule 2000 heavy-duty bilge pump with red and blue design for efficient water removal on boats.

Bilge Pumps

An emergency bilge pump(s) is a very significant electrical device on any vessel. This pump is used to pump out water that may collect, for whatever reason, in the bilge.
October 23, 2023/by Grant Headifen

Last updated on December 6th, 2024