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.

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 showing wind direction effects on a sail: trimmed, backwinding, and luffing stages.

Luffing and Backwinding Sails

Luffing is when the sail is flapping in the wind. Back winding happens usually right before luffing occurs.
August 22, 2023/by Grant Headifen

Sail TellTales

"Telltales" attached to the sail in strategic positions to "tell" us what the wind is doing at that exact location.
August 11, 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

Sailboat Balance

Below is an animation that shows the balance of forces: actually it is technically the balance of a concept called “moments.”
October 20, 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 showing a sailboat's anchor dragging underwater, with arrows indicating anchor path and boat movement.

Weighing Anchor

“Weighing the anchor” simply means raising it. If raising the anchor is to be done by hand...
October 17, 2023/by Grant Headifen
Blue sailing life vest featuring durable straps and a cartoon logo. Ideal for safety and buoyancy on the water.

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

Fairlead Control

The fairlead is the first control device that the jib sheet passes through on its way back to the cockpit. You can move the fair lead forward or backward.
August 30, 2023/by Grant Headifen
Colorful fresh vegetable and salami salad with cucumbers, carrots, tomatoes, and peas for a healthy, vibrant meal.

Charter Provisioning

Many charter companies can stock and provision your boat before you arrive. This is a good idea for the basics but there is usually little imagination in the food that is supplied.
April 6, 2024/by Grant Headifen
Diagram depicting a water circuit with components analogous to electrical elements like generator and resistor.

Electrical Measurements

To be prepared and understand electrical power usage on a modern vessel, it is important to learn a few basic terms and concepts.
October 17, 2023/by Grant Headifen
Father and child repairing sailboat deck on a sunny day near lush green shorelines.

Plumbing and Tankage – Getting Familiar with a Charter Boat

A diaphragm pump below directs flow from the water tank(s) to various faucets throughout the boat. You'll always begin a charter with full water tanks but understand that water conservation is still required.
April 4, 2024/by Grant Headifen
Sailboat bathroom interior with compact sink, mirror, and toilet, showcasing efficient design for marine use.

Heads on a Charter Boat

You don’t need trouble with the waste system, especially when on vacation.
April 4, 2024/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
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

Electronic Navigation

We are well into the 21st century. Chances are that within 30 feet (10 meters) of you right now there are 2-3 GPS-enabled potentially lifesaving devices...
October 20, 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
Two men sailing, discussing that experience doesn't equal competency, emphasizing skill and safety.

Experience ≠ Competency

Years on the water don't automatically make someone a competent sailor. Discover why objective assessments, continuous learning, and practical skills are the real indicators of safe seamanship.
August 4, 2026/by Bill Ibsen
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 12V DC power inverted to 110V AC current with a waveform illustration and labeled inverter.

Sailboat Inverters

Sailboat Inverters are devices used to convert 12-volt DC battery electricity to AC 110-volt or 220-volt electricity. Special electronics in
October 13, 2023/by Grant Headifen
Monument of Discoveries sculpture in Lisbon with sailors set against a clear blue sky and a view of the Tagus River.

Navigation Introduction

The history of navigation is fascinating and dates back to as many centuries as we can imagine.
October 15, 2023/by Grant Headifen
ICOM IC-M302 marine VHF radio with mic, featuring channel 16 display for reliable communication at sea.

Using a Marine Radio

Knowledge of use of a VHF is not only mandatory for safety but some governments require a VHF knowledge certification before you can charter a boat in their waters.
April 10, 2024/by Grant Headifen

Docking 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
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

Last updated on December 6th, 2024