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 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
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

Responsibility between Vessels Nav Rules

Every vessel has a definition of being one and only one of the below at all times. And each vessel has the ability to morph from one to the other.
August 26, 2023/by Grant Headifen

True Wind vs. Apparent Wind

Learn the basic difference between True Wind and Apparent Wind...
August 27, 2023/by Grant Headifen
Perko marine battery switch, red casing, marked OFF and ALL, used for managing dual battery systems on boats.

Sailboat Engine and House Systems

Perhaps the most important use of DC power on a vessel is for starting the engine. Considerable power is needed for this task and if the engine does not start immediately...
October 19, 2023/by Grant Headifen
Two sailboats navigating in open sea, one with red hull. Wind direction indicated by blue arrow.

Some Navigation Rules Terminology

Understanding Navigation Rules begins with learning some basic Navigation Rules terminology...
August 23, 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

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
Sailing yacht adjusting sheets: working sheet loosened to move fairlead, lazy sheet cleated amidships over scenic ocean.

High Wind and Gust Management in Sailing

Professional sail trimmers deal with high winds and gusts by managing the traveler and mainsheet simultaneously. The fairlead position...
August 13, 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

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 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
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
Top view diagram of a sailboat hull showing water flow direction and pressure points for optimized sailing performance.

Rudder Force with Spring Lines

The rudder can be a big help because it can change the direction of the thrust force.
April 29, 2024/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 comparing water flow in buckets to energy flow in batteries, illustrating concepts of joules and watts.

Understanding Energy and Power

Energy: The concept of energy is likened to water for the easiest understanding. A bucket of water holds a specific amount of water which is measured in a quantity of gallons or liters. It is finite; when it is all drained out, it is gone. To gain more, it must be replaced from a source.
April 14, 2024/by Grant Headifen
Bulldozer moving sand at a construction site, operated by a person in the driver's seat, surrounded by earthy terrain.

Getting the General Feel of Maneuvering a Catamaran

Some have compared maneuvering a catamaran with driving a bulldozer. Well . . . perhaps!
May 19, 2024/by Grant Headifen
Sailboat and motorboat on calm sea, aerial view. Peaceful ocean cruising scene.

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 Headifen
Sailboat racing on open water with crew adjusting sails, vibrant spinnakers in the distance, under a clear sky.

Holding a Straight Course in Sailing

Holding a straight course is an imperative skill to master as you learn to sail. As an experienced sailor, nothing is more distracting to a good day out sailing than a novice helmsperson swinging the boat in all directions.
October 12, 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

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
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
Woman explains features of boat shoes in a sailing gear shop.

The Complete Guide to Boat Footwear

Find the best tips in The Guide to Boat Footwear for choosing the perfect boat shoes for your boat outings.
June 22, 2026/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

Last updated on December 6th, 2024