{"id":45901,"date":"2026-08-10T11:15:00","date_gmt":"2026-08-10T09:15:00","guid":{"rendered":"https:\/\/ribsonly.com\/2\/?page_id=45901"},"modified":"2026-09-01T11:59:15","modified_gmt":"2026-09-01T09:59:15","slug":"rib-glossary-100-essential-terminology","status":"publish","type":"page","link":"https:\/\/ribsonly.com\/2\/rib-glossary-100-essential-terminology\/","title":{"rendered":"RIB Glossary: 100 Essential Terminology"},"content":{"rendered":"\n
\"These
Terminology \u00a9 2026 Medianaut, Nautical News Media<\/figcaption><\/figure>\n\n\n\n

A Comprehensive Reference for RIB Terminology, From Hull to Helm<\/h2>\n\n\n\n

RIB terminology can be confusing for newcomers, mixing general boating language with terms specific to inflatable and rigid-hull construction.<\/p>\n\n\n\n

This glossary collects the essential terms you’ll encounter across manufacturer specifications, reviews, and buying guides.<\/p>\n\n\n\n

Use it as a quick reference whenever unfamiliar terminology appears elsewhere on RIBsONLY or in manufacturer documentation.<\/p>\n\n\n\n

Hull and Construction Terms<\/h2>\n\n\n\n

Deadrise<\/strong> \u2014 The angle of the hull bottom relative to horizontal, measured in degrees, affecting ride and stability. See our guide RIB Hull Shapes Explained<\/a>.<\/p>\n\n\n\n

Deep-V hull<\/strong> \u2014 A hull with a steep deadrise angle, typically 20 degrees or more, favouring rough-water performance. See our guide Deep-V Hull: Advantages and Trade-offs<\/a>.<\/p>\n\n\n\n

Transom<\/strong> \u2014 The flat, vertical structure at the stern where the engine is typically mounted. See our guide How to Inspect a RIB Transom<\/a>.<\/p>\n\n\n\n

\"These
These are RIB anatomy key elements. Read the remark – \u00a9 2026 Medianaut, Nautical News Media<\/figcaption><\/figure>\n\n\n\n

Chine<\/strong> \u2014 The line where the hull’s side meets its bottom, affecting stability and spray deflection.<\/p>\n\n\n\n

Keel<\/strong> \u2014 The central structural line running along the hull’s bottom, providing directional stability.<\/p>\n\n\n\n

GRP<\/strong> \u2014 Glass Reinforced Plastic, commonly known as fibreglass, a common hull material. See our guide Aluminium vs Fibreglass RIB<\/a>.<\/p>\n\n\n\n

Cathedral hull<\/strong> \u2014 A multi-sponson hull design offering stability, less common on modern performance RIBs.<\/p>\n\n\n\n

Tube and Material Terms<\/h2>\n\n\n\n

Tubes<\/strong> \u2014 The inflatable collar surrounding the hull, providing buoyancy and stability. See our pillar guide What Is a Rigid Inflatable Boat?<\/a>.<\/p>\n\n\n\n

Hypalon\/CSM<\/strong> \u2014 Chlorosulfonated polyethylene, a durable synthetic rubber used in tube fabric. See our guide PVC vs Hypalon\/CSM RIB Tubes<\/a>.<\/p>\n\n\n\n

PVC<\/strong> \u2014 Polyvinyl chloride, a common tube fabric offering lower cost but shorter lifespan than Hypalon.<\/p>\n\n\n\n

PU<\/strong> \u2014 Polyurethane, a tube fabric offering good abrasion resistance and strength, but less commonly used for RIB tubes than Hypalon or PVC.<\/p>\n\n\n\n

Chamber<\/strong> \u2014 An individual inflatable section of the tube system, with multi-chamber designs offering redundancy.<\/p>\n\n\n\n

D-ring<\/strong> \u2014 A metal or plastic fitting attached to the tubes, used for rigging lines or securing equipment.<\/p>\n\n\n\n

Engine and Propulsion Terms<\/h2>\n\n\n\n

Outboard<\/strong> \u2014 An engine mounted externally on the transom, the most common RIB propulsion method. See our guide How to Choose an Outboard for a RIB<\/a>.<\/p>\n\n\n\n

Inboard<\/strong> \u2014 An engine installed inside the hull, typically driving a propeller or waterjet through a separate propulsion system.<\/p>\n\n\n\n

Waterjet<\/strong> \u2014 A propulsion system using pumped water rather than a propeller. See our guide Waterjet vs Propeller RIB<\/a>.<\/p>\n\n\n\n

Trim<\/strong> \u2014 Adjusting the engine angle to affect the boat’s attitude in the water.<\/p>\n\n\n\n

Deadman\/kill cord<\/strong> \u2014 A safety lanyard connecting the helmsman to the engine cut-off switch.<\/p>\n\n\n\n

Planing<\/strong> \u2014 The state where a boat rides on top of the water rather than displacing through it.<\/p>\n\n\n\n

Hybrid propulsion<\/strong> \u2014 A system combining electric and combustion power sources. See our guide Hybrid RIBs Explained<\/a>.<\/p>\n\n\n\n

Safety and Regulatory Terms<\/h2>\n\n\n\n

CE category<\/strong> \u2014 A regulatory classification (A, B, C, D) indicating intended operating conditions. See our guide CE Categories for RIBs Explained<\/a> and What Exactly Do the CE Certifications Stand For<\/a>.<\/p>\n\n\n\n

SOLAS<\/strong> \u2014 International maritime safety treaty affecting certain commercial and rescue vessel requirements. See our guide SOLAS RIB Requirements Explained<\/a>.<\/p>\n\n\n\n

EPIRB<\/strong> \u2014 Emergency Position Indicating Radio Beacon, a distress signalling device. See our guide Essential Safety Equipment for a RIB<\/a>.<\/p>\n\n\n\n

DSC<\/strong> \u2014 Digital Selective Calling, a VHF radio feature enabling one-touch distress alerts.<\/p>\n\n\n\n

Broaching<\/strong> \u2014 A dangerous sideways turn caused by a following sea pushing the stern unexpectedly.<\/p>\n\n\n\n

Buying and Ownership Terms<\/h2>\n\n\n\n

Deadweight<\/strong> \u2014 The total weight capacity a boat can safely carry, including passengers and equipment.<\/p>\n\n\n\n

Agreed value policy<\/strong> \u2014 An insurance policy paying a pre-set sum on total loss. See our guide RIB Insurance Guide<\/a>.<\/p>\n\n\n\n

Survey<\/strong> \u2014 A professional inspection assessing a boat’s condition before purchase. See our guide Buying a Used RIB: Complete Inspection Guide<\/a>.<\/p>\n\n\n\n

Sea trial<\/strong> \u2014 An on-water test of a boat’s performance before purchase. See our guide RIB Sea Trial Checklist<\/a>.<\/p>\n\n\n\n

Deadrise transition<\/strong> \u2014 The gradual change in hull angle from bow to stern in variable-deadrise hull designs.<\/p>\n\n\n\n

Console and Layout Terms<\/h2>\n\n\n\n

Console<\/strong> \u2014 The structure housing the helm, controls, and instruments. See our guide RIB Console Types and Ergonomics<\/a>.<\/p>\n\n\n\n

Jockey seat<\/strong> \u2014 A straddle-style seat offering better support at speed than flat bench seating.<\/p>\n\n\n\n

Bimini<\/strong> \u2014 A folding fabric top providing sun and weather protection.<\/p>\n\n\n\n

Sun pad<\/strong> \u2014 A cushioned area, often aft, convertible between seating and sunbathing use.<\/p>\n\n\n\n

Using This Glossary Effectively<\/h2>\n\n\n\n

Bookmark this page as a quick reference whenever unfamiliar terminology appears in reviews, specifications, or buying guides. Terms here link directly to more detailed guides covering each concept in far greater depth.<\/p>\n\n\n\n

Our pillar guide What Is a Rigid Inflatable Boat?<\/a> remains the best starting point for understanding how these terms fit together.<\/p>\n\n\n\n

\n\n\n\n

Frequently Asked Questions<\/h2>\n\n\n\n

Is this glossary specific to RIBs, or does it cover general boating terms?<\/strong>
It focuses primarily on RIB-specific terminology, though some general boating terms are included for context.<\/p>\n\n\n\n

Will more terms be added over time?<\/strong>
Yes, this glossary is updated periodically as new terminology and technology become relevant to the RIB category.<\/p>\n\n\n\n

Can I suggest a term to add?<\/strong>
Yes, feedback and suggestions help keep this reference comprehensive and useful for the RIBsONLY community.<\/p>\n\n\n\n

Where should I start if I’m completely new to RIBs?<\/strong>
Begin with our pillar guide What Is a Rigid Inflatable Boat?<\/a> before diving into specific terminology.<\/p>\n\n\n\n

\n\n\n\n

Related reading:<\/strong> What Is a Rigid Inflatable Boat?<\/a> \u00b7 RIB Hull Shapes Explained<\/a> \u00b7 PVC vs Hypalon\/CSM RIB Tubes<\/a> \u00b7 RIB Buying Guide: How to Choose the Right Boat<\/a> \u00b7 RIB FAQ: The Most Asked Questions<\/a><\/p>\n\n\n\n

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A Comprehensive Reference for RIB Terminology, From Hull to Helm RIB terminology can be confusing for newcomers, mixing general boating language with terms specific to inflatable and rigid-hull construction. This glossary collects the essential terms you’ll encounter across manufacturer specifications, reviews, and buying guides. Use it as a quick reference whenever unfamiliar terminology appears elsewhere on RIBsONLY or in manufacturer…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[582,580],"tags":[],"class_list":["post-45901","page","type-page","status-publish","hentry","category-learn-articles","category-guide"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/pages\/45901","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/comments?post=45901"}],"version-history":[{"count":6,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/pages\/45901\/revisions"}],"predecessor-version":[{"id":46733,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/pages\/45901\/revisions\/46733"}],"wp:attachment":[{"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/media?parent=45901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/categories?post=45901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/tags?post=45901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}