Maritime: Most Popular Articles
A ballast water system is essential for the safe operation of a ship, but these systems can cause significant threats to the environment and local economy.
What Does it Mean When Someone Refers to the Draft of a Ship or Boat? How is Vessel Draft Influenced by Hull Shape and Other Factors?
In the world of maritime cargo shipping vessels are divided into classes based on size. There are many classes of vessels that are meant to maximize efficient cargo transport. See the major classifications and learn why naval architects build ships specifically for certain routes.
What is the beam of a vessel and how is it measured?
Definition of Deadweight Tonnage of a Vessel. What is the Difference Between Deadweight Tonnage and Displacement Tonnage?
Learn About Ship Gross Tonnage. Gross Tonnage of a Vessel is Calculated Using a Formula Which Includes the Total Interior Volume of the Vessel.
Propellers are Simple on the Surface but Have Many Variables That Impact the Performance of a Vessel. Learning How to Measure a Prop will Increase Your Knowledge of its Performance Characteristics.
Do You Know the Difference Between a Cleat, Chock, Bit, and Bollard? Make Sure You Know the Differences and Specific Uses for Each of These Important Fixtures.
Learn how pump head ratings and pump and outlet position impacts performance and efficiency of several different kinds of pumps.
How is Ship Displacement Tonnage Measured and What is the Difference Between Displacement Tonnage and Deadweight Tonnage?
Learn About the Definition of Freeboard and How it is Used by Naval Architects to Improve Vessel Safety and Performance.
Ships collide with each other and fixed objects because of technical error, equipment malfunction, and weather conditions. A far more common cause is failure of crew to avoid a series of mistakes leading to an accident.
A Bulbous Bow Design Makes Large Ships More Efficient. See the Benefits and Disadvantages of Several Important Factors of This Design.
One of the top jobs in recreational boating is Marina Manager or Dock Master. This is the lead position for yard and dock operations in many marinas and yacht clubs.
Operating a Tender Boat is a Careful Balance Between Hospitality, Seamanship, and Chaos.
Selecting an appropriate anti-fouling paint for your vessel can make a big difference in your bank account. With so many choices and new products it is difficult to make the best choice.
What is a Nautical Mile and Why do We Use it? How do You Convert Nautical Miles to Other Common Measurements Like Kilometers or Statute Miles?
Flares are an essential piece of safety equipment. Learn to deploy, handle, and store flares safely.
One of the Benefits of Globalization is the Standardization of Maritime Fuel Oil Standards. The International Standards are Still Young and Not Fully Adopted so Multiple Names are Still in Use.
Learn What a Vessel's Chine is and How to Tell the Difference Between a Hard and Soft Chine. See How Chines Influence the Shape of a Hull.
Learn the best ratio of scope to use when anchoring a vessel.
There are Three Main Divisions of Hulls; Displacement, Semi-Displacement, and Planning. Learn Which Shapes are Best for Specific Situations.
Learn Basic Maritime Traffic Schemes and Regional Variations. Recognize and Understand the Maritime Traffic Buoys Which Mark Shipping Lanes.
Tricing Pendants are a Type of Rigging Used to Raise and Lower Lifeboats and Other Loads. Learn How a Tricing Pendant is Used Safely and Why New Rules are Controversial.
Metal Hulls Offer Excellent Characteristics for the Commercial User. Durability is Great and Metal Hulled Vessels are Among the Safest to Operate. Repair is Also Easy if You Have the Knowledge, Tools, and Skills to do the Job Right.
Maritime Classification Society Functions and Responsibilities. Maritime Classification Society Listing and Information With Website Links. Maritime Classification Society Questions? Look Here.
Learn More About Hull Design by Understanding the Way a Vessel’s Hull is Measured. Find Out how to Measure Deadrise.
Tips and Strategies to Preserve Your Boat Equipment from Electrical Pitting
STCW is Short for Standards for Training, Certification, and Watch Keeping. Mariners eed to pass an approved course for most jobs.
Learn the Basic Operation of Several Types of Pumps and Their Applications in the Maritime Industry. Understand Head, Lift, and Other Pump Terms.
Each Type of Fiberglass Boat Construction is Susceptible to Damage in Different Ways.
Cavitation can Cause Poor Performance and Damage to Drive Components. Understanding Cavitation Problems Will Help You Select Proper Components and Learn to Avoid Maneuvers That Enhance Potential Cavitation.
The Recovery of Deceased Passengers Will Soon End and the Cause of the Sewol Capsize Will be Investigated. See Some of the Expert Theories of the Cause.
Net positive suction head or NPSH is a measurement of potential negative pressure near the pump chamber inlet. Understanding NPSH is most important in high temperature or high volume applications.
Learn common dock line terms and how to best secure your boat in a variety of conditions.
It's sometimes difficult to determine the pay for maritime jobs. Pay can vary considerably and many people underestimate the earning potential of both vessel and shore based jobs.
The Definition of Wind Fetch. Learn the Meaning of Wind Fetch and Understand How it Can Impact You.
Gasoline Outboard Motors are Widely Used in Small Commercial Applications. A Modern Electric Outboard Motors might be a Better Choice Depending on Your Needs.
Learn the Concept of Pump Lift and the Reasons Why Even the Best Pumps Cannot Draw a Liquid Past a Certain Height Even With Perfect Vacuum.
Learn How the Global Positioning System Works. Understand the Elements of GPS, and How They Interact to Provide the Most Accurate Means of Navigation Available to Mariners.
Marlinspike Seamanship has Evolved Along With the Rest of the Shipping Industry but it's Still Important to Understand the Basics so You can Build on That Knowledge in the Future.
Types of Prop Shaft Seals for Existing Stuffing Boxes or Pack-Less Retrofit. Are the Maintenance Benefits Worth the Cost?
Allure of the Seas, Royal Caribbean International Cruise Ship. The Largest Class of Passenger Carrying Vessels in the World.
Now that Armed Guards are Allowed Aboard Merchant Ships Under IMO Guidance do they Really Reduce Piracy at Sea?
Learn about the components in a buoy mooring system and how to properly secure your boat to a permanent buoy.
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See How Ships Use the Rotation of an Engine to Move Forward and How Props are Selected for Efficiency, Power, or Speed.
Explore the Reasons Why Modern Sea Piracy is a Growing Problem in Some Regions.
One of Your First Marine Industry Jobs Might be at a Recreational Harbor. See What You Need to Know About Docks and Slips to Get Started.
Everyone has to Start Somewhere so Why Not Learn Some Very Basic Boat and Ship Architecture Right Here? Learn these few Maritime Terms to Get Off to a Good Start if You Want to Design or Work on Vessels of Any Size.
Will Helium Shortages Cause More Problems for Shipbuilders? Can Fabrication Standards be Changed in Time to Avoid the Huge Costs to Industry?
Two Years have Passed Since the Cruise Ship Costa Concordia Wrecked Due to Negligence Just Off the Coast of the Italian Island of Giglio. Salvage Operations have Doubled in Cost and the Wreck is Still an Environmental Hazard.
The Maersk Triple-E Class of Green Container Ships Reduces Costs Per TEU While Cutting Emissions.
Your Cooling System is a Simple Device that Only Needs Occasional Attention. Understanding this System is Essential for Preventing Damage to Marine Engines.
Getting a Job in the Maritime Industry is Difficult if Your Skills are not Presented Well. Learn How to Translate Your Experience Into Ship Friendly Terms.
USS Kidd Heads to Possible Indian Ocean MA370 Site
Learn About the Challenges Maritime Pilots Encounter When Facing High Winds and Waves. Understand Terms Like Fetch, Isobar, and Compression Band.
Apply for the Credential that Allows You to Work on Charter Boats with less than Six Passengers.
Learn What Maritime License or Certificate is the Best Fit for Your Professional Goals.
What is the Definition of Piracy? How Do Sovereign and International Definitions of Piracy Differ? Can Better Laws Deter Sea Piracy?
Ships have been Navigating Using a Compass for Hundreds of Years. During that Time Navigators have Noticed Unexpected Behavior in Their Compasses. Two of These Effects are Now Know to be Magnetic Declination and Magnetic Deviation. Both are Very Important to Understand if You Want to Reach Your Intended Destination.
Outboard Motors are Widely Used in Small Commercial Applications. Pairing a Vessel with the Best Motor is Easy with a Few Guidelines.
Damage to Marinas and Small Service Docks is Expensive to Fix. The Expense Increases When Damage Must be Repaired Every Few Years. See How to Minimize Damage From Frequent Strong Storms in Your Marina.
Are You Interested in Getting Your Professional Maritime License? Our Guide to Canadian Maritime Licensing Gives You the Basic Steps to Advance in Your Career and Increase Your Earning Potential.
What Do You Need to Get Your United States Maritime License or Certification? There are Many Different Licenses and Certifications Available from the National Maritime Center. Do You Want to Work in the Maritime Sector? If So, This is the Place to Start.
A New Class of US Navy Amphibious Ships is in the Proposal Stage. See How Amphibious Sea Power has Changed Since the Amphibious Ships Built for the D-Day Invasion of Normandy.
There are Many Types of Dredges Because of the Specialized and Varied Nature of Sediment Removal. Each Dredge is Meant to Work in a Specific Maritime Environment. High Volume and Low Volume Dredgers are Deployed According to the Type, Volume, and Time to Complete the Task.
Find Maritime Jobs at Sea or On Land and Learn What Training or Experience is Required to be Successful in Various Jobs.
Explore the History and Methods of Tonnage Measurement Systems.
AIS is an Abbreviation for Automatic Identification System. This is a Device Used by Ships to Transmit Data Collected From On board Instruments to Other Vessels or Stations to Avoid Hazards or Investigate Accidents.
Using a Flag of Convenience is a Controversial Way to Avoid Laws and Regulations. See How an Open Registry Allows Ship Owners to Operate Anonymously.
Hypothermia Occurs When the Body Loses Heat Faster Than It can be Replaced. Exposure to Temperatures Below 98.6 F (37 C) Will Lead to Hypothermia. Fast Treatment for Hypothermia is Essential for Full Recovery of the Victim.
Learn How Buoyancy Interacts with Other Factors in Naval Architecture. Understand the Differences in a Vessel’s Buoyancy as it Moves From the Sea Into Freshwater.
Implementation of the IMO's Ballast Water Convention is Meant to Limit the Transportation of Alien Organisms in the Ballast Tanks of Ships. Invasive Species Carried in Ballast Water can Cause Billions of Dollars in Damage to Business and Public Infrastructure.
Learn About the Parts of a Ship Propulsion System From Fuel to Propeller and Beyond.
Some Useful Knots for Mariners and Others Who Require Secure Easy to Untie Knots.
Convert Miles or Kilometers to Knots with a Very Simple Method or Learn to Make Precision Calculations When High Speeds or Long Distances are Involved.
Marinette Marine Corporation, Marinette, Wisconsin USA. Company and Facility Profile With Links to Recently Constructed Vessels and Historic Shipbuilding Lists.
Light Emitting Diodes are One of the Easiest Ways to Save Money and Maintenance Work. But it is More Than Just Plugging a Bulb Into a Socket. Some Retrofit Bulbs Not Meant for Marine Use Can Render Your Lights Illegal Which can Result in a Fine or Worse, an Accident.
Ports and Ships Experience Lightning Strike Frequently and Use Proven Methods to Protect Equipment. Unfortunately, Human Protection is Often Less Developed.
Out of Water Storage for Your Work Boat Saves on Dock Fees and Other Expenses, See Why Trailers are a Growing Trend.
The Organism Known as the Comb Jelly is One of the Invasive Aquatic Species That is Transported in the Ballast Water of Ships.
Although Piracy Continues to Evolve, the Tactics of Modern Pirates have Many Similarities to Historical Piracy and Naval Combat.
Blackwater Anti-Piracy Forces Planned to Operate a Private Armed Vessel to Protect Ships From Pirates Prior to IMO Armed Guard Policy.
Learn How the Changing Arctic Shipping Environment is Shaping Passenger and Cargo Traffic in the Region as the Long Sought Ice free Routes Become Viable.
Know How to Operate Your Marine Radio According to Best Practices. Learn Proper Protocols for Working and Recreational Vessels.
When Major Malfunctions Cause a Cruise Ship to Lose Power it can Lead to Sanitary System Failure and Sewage Overflows
The Second Phase of the Costa Concordia Salvage Will be less dramatic Than the First Phase but There are Still Many Things to Learn from the Tragedy.
Ground Tackle is Made Up of Various Components for Different Situations. Learn About How a Vessel is Best Secured Using Anchoring Gear.
Some simple tips can help your sacrificial anode system perform to its full potential and protect your metal equipment from damaging pits due to galvanic
Learn About the Differences Between IMO Ballast Water Exchange and IMO Ballast Water Performance Standards for Ship Ballast Water Management.
The NTSB held its Cruise Ship Safety Forum on the 25th and 26th of March. Instead of sitting through the entire hearing just take a look at the
Official Privately Contracted Armed Security Personnel on Ships (PCASP) Requirements for Costal Operation and Ports.
Korean Sewol Ferry Trapped Hundreds Below Deck
Social Media is an Important Part of Your Overall Marketing Plan. See how the Big and Small Service can Build Your Reputation and Profits.
Learn How Ships and Work Boats Communicate by Radio in Busy Harbors and River Systems .
At 410 Feet Long With a Beam of 60 Feet the SS Badger is Able to Carry 600 Passengers and 180 Vehicles Across the Sixty Miles of Lake Michigan.
Grounding is the Most Common Accident for Ships 100 Gross Tons and Larger. Learn Common Reasons for Grounding and How to Avoid the Hazard in Any Size Vessel.
Cargo Tonnage Passing Through the Arctic’s Northern Sea Route is Increasing and So are Safety Measures to Protect Ships and Sailors.
The Manila Amendments Supplement to the IMO STCW Conventions Entered Into Force January 2012. These Rules Apply to Many Members of Crew, be Sure to Understand the Timetable and Deadlines for Implementation.
What Happened Before and After the Korean Sewol Ferry Capsize.
Lightning can Do More Damage in Less Time than Any Other Natural Phenomenon. In Less than one Second Equipment can be Destroyed. Protection from Lightning Strikes is Simple if You Follow a Few Guidelines.
Fuel for Maritime Use is Often not Very Clean. It is Necessary to Remove Water and Particulates From the Fuel Supplied to the Engine to Avoid Damage or Failure. The Most Common Way to Remove Contaminants is by Centrifugal Separation.
What is the Cold Ironing of a Ship? How Can it Cut Emissions Now, and Save Money for Cruise and Cargo Operators in the Long Term?
Part of Owning a Boat Based Business Involves Insurance and Survey Services. See What You Need to Know.
What to Do if You are Forced to Negotiate With Pirate Captors. Learn How to Survive Hostage Negotiations by Understanding Piracy Goals.
See What Challenges Face the Next Generation of Navy Resupply Vessels
This Ports of Entry Adds the Job of Pipefitter to the List of Career Paths Available to Those Exploring Their Employment Options in the Maritime Industry.
Learn About Power Transmission and Thrust Vectoring in the Second Part of Our Introduction to Maritime Power Systems.
Bottom Paints for Commercial Vessels are Designed to Provide Specific Performance Characteristics Through Chemical and Mechanical Action. One Choice is a Smooth or Rough Finish; Read Further to Understand the Differences and Benefits of Both Types of Bottom Paint.
The huge loss of life aboard the Sewol Ferry which capsized less than two miles off the Southwest Coast of Korea raises questions about the security of cargo on
Hydrogen Hybrid Vessels are Becoming More Widespread and Versatile as Designers Embrace Green Technologies. Proper Application of These Technologies Can Reduce Emissions Considerably and Save Operating Costs Long Term. New Hydrogen Hybrid Vessels are the Most Efficient but Some Substantial Gains Can be Made by Shifting Secondary Loads on Older Vessels to Solar or Hydrogen Charged Battery Banks.
A Bounding Box in the Terms of a Naval Architect or Shipbuilder is a Concept of Geometry at Work. See How Designers Use Geometry to See What Routes a Ship Will Take.
The Newest Ships Use Every Advantage to Gain Fuel Efficiency Which Results in Less Pollution and Cost Savings for Operators. See How Ships Become More Efficient and How Less Pollution Helps the Environment.
This Installment of Our “Ports of Entry” Series Takes a Look at Some Entry level Jobs On Board Small Vessels Based on Inland Waterways or Near the Coast. We Also Look at Experience Building Opportunities on Landlocked Bodies of Water.
The Tragic Events of the Costa Concordia Cruise Ship Sinking Off the Italian Island of Giglio Continue to Unfold. The Epic Failures of the Captain and His Crew Illustrate the Poor Implementation of Safety Policies and a Disregard for the Law of the Sea and Maritime Regulations.
Keeping Accurate Logs for Your Vessel can Reduce Costs and Risks.
What is a Composite Material? How Will Composites Impact Maritime Business in the Future?
Learn About Major Fire Hazards On Board and How to Manage Fire Risk With Equipment and Training.
Day Two of a Two Day Meeting of the U.S. National Transportation Safety Board Covering Cruise Ship Safety Practices Under Development.
Amendments to the Jones Act, or Merchant Marine Act of 1920, Continue to Offer Protections to U.S. Sailors and Ship Builders.
Damage to Marina and Boatyard Infrastructure Due to Ice can Cause Serious Loses and Dangerous Conditions if Deicing Equipment is Deployed Improperly.
Technology in several areas will make cruise ships of the future safer than ever before without burdens to the passenger on vacation.
Marine Diesel Engines Come in Two Common Varieties; Two Stroke and Four Stroke. See the Differences and Pros and Cons of Each Configuration.
Refine Your Winterization Plan for a Smoother Start to the Busy Season
Understand How RADAR is Used by Ships to Avoid Accidents and Increase Security.
New outboard motor designs are showing significant improvements in fuel efficiency without loss of performance.
Remotely Operated Vehicles, or ROV, are Valuable Tools for Inspection and Maintenance. Learn About the Parts of an ROV and How it Functions.
When Joining Two Lines or Creating a Loop Nothing is Better than a Splice. Learn the Anatomy and Techniques of Splicing Lines for Boats and Ships.
If You are Considering a Job in the Maritime Industry Take a Look at Our Series Ports of Entry. In This Installment Explore the World of Electronics on Board Large and Small Vessels.
Get Started on Your Exam Preparation or Just Round Out Your Knowledge of Chart Terms. This Skill is Still a Requirement for Most Professional Licenses and the Practical Navigation Test is a Common Point of Weakness for Many Students.
Everyone Enjoys Eating Well Once the Work is Done. A Good Meal is an Underrated Benefit of many Ships. Learn About the most Common Galley Equipment an it's Uses.
Profile of Great Lakes Cargo Vessel American Spirit - American Steamship Line. See the Unique Proportions of a Vessel Built for Lakes Service.
Learn the Basics of Chain and Metal Rigging Components Used Aboard Ship and in Supporting Shore Operations.
Open source development of software and hardware has the potential to transform a product or an industry. Input from outsiders is usually shunned but open source philosophy can change that habit.
The Suez Canal Shortens Shipping Routes Between Asia and Ports in Europe. Has the Revolution in Egypt Harmed Shipping on the Suez Canal? Page 2.
The First Decade of the New Century Showed Maritime Security Professionals That Piracy is Still a Major Threat to Life and Property.
Carmac Design is located in Sussex, England and Specializes in Designs with Aluminum Construction From Sixteen to Seventy Five Feet.
Open Source Hardware and Software is Finding its Way Into Advanced DIY Projects and Marine Electronics is No Exception.
Royal Caribbean’s Quantum of the Seas Uses Technology to Cut Costs While Delivering a Premium Experience to More Passengers.
Accidents Happen and You can Spill a Bit of Fuel Into the Water. Know What to Do and How to Stock Your Fuel Spill Kit and Pollution will be Minimized.
Houseboats and live-aboard populations are growing rapidly in urban centers where rents are extreme. Tap into this valuable and growing business sub-sector with a small business start-up that delivers solutions to growing problems.
Learn How the Ancient Technique Called Dog and Wedge is Used to Build Modern Ships Today.
The New Generation of Container Terminals Leverages Several Data Capture Technologies to Increase Throughput and Improve Accuracy.
Learn About Stringers of a Ship
Sea Piracy in African Waters is Moving from the East to the West Coast. Why is this Happening and Will Similar Solutions be Effective?
The great controversy over gasoline or diesel work boats will never really come to an end. Really, there is no single answer. It depends on the requirements of the job.
Celebrate 100 Years of Improving Maritime Safety With the SOLAS Regulations.
STX Europe is a Leading Builder of Cruise and Cargo Ships and Built the World's Largest Cruise Ship, Allure of the Seas.