{"id":48142,"date":"2026-02-02T18:23:13","date_gmt":"2026-02-02T18:23:13","guid":{"rendered":"https:\/\/maritimehub.co.uk\/?p=48142"},"modified":"2026-02-02T18:23:13","modified_gmt":"2026-02-02T18:23:13","slug":"mooring-arrangements","status":"publish","type":"post","link":"https:\/\/maritimehub.co.uk\/mooring-arrangements\/","title":{"rendered":"Mooring Arrangements"},"content":{"rendered":"\n<p><br>The geometry of restraint, load-sharing reality, and why \u201cmore lines\u201d can still fail<\/p>\n\n\n\n<p><strong>Estimated read time:<\/strong> 35\u201345 minutes<br><strong>Skill level:<\/strong> Cadet \u2192 AB \u2192 Junior Officer \u2192 Chief Mate<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Contents<\/h2>\n\n\n\n<p>Use the links below to jump to any section:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Introduction \u2013 Strength Doesn\u2019t Save Bad Geometry<\/li>\n\n\n\n<li>What a Mooring Arrangement Is Really Doing<\/li>\n\n\n\n<li>The Four Motions You\u2019re Resisting<\/li>\n\n\n\n<li>Line Types Explained Properly (Head\/Stern\/Breast\/Springs)<\/li>\n\n\n\n<li>Load Sharing: Why It\u2019s Rarely Even<\/li>\n\n\n\n<li>Angles, Fairleads, and the Hidden Strength Loss<\/li>\n\n\n\n<li>Common Arrangement Patterns (and what they\u2019re good at)<\/li>\n\n\n\n<li>Mixed Materials and Tails: When They Help, When They Hurt<\/li>\n\n\n\n<li>Winches and Auto-Tension: How Layout Interacts with Control<\/li>\n\n\n\n<li>Environmental Reality: Wash, Swell, Gusts, Tide<\/li>\n\n\n\n<li>Failure Pathways: How Good Arrangements Still Fail<\/li>\n\n\n\n<li>A Practical Mooring Planning Checklist (Deck-usable)<\/li>\n\n\n\n<li>Key Takeaways<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">1. Introduction \u2013 Strength Doesn\u2019t Save Bad Geometry<\/h2>\n\n\n\n<p>A mooring arrangement is not \u201ca bundle of strong ropes.\u201d<\/p>\n\n\n\n<p>It is a <strong>vector system<\/strong> designed to resist forces in specific directions.<\/p>\n\n\n\n<p>That\u2019s why ships with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>high MBL lines,<\/li>\n\n\n\n<li>plenty of mooring points,<\/li>\n\n\n\n<li>and modern winches<\/li>\n<\/ul>\n\n\n\n<p>still part lines, surge dangerously, and injure people.<\/p>\n\n\n\n<p>Because the failure starts earlier than the line break. It starts when the arrangement:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>shares load poorly,<\/li>\n\n\n\n<li>allows excessive motion,<\/li>\n\n\n\n<li>or creates dynamic spikes that no \u201cstrong rope\u201d survives for long.<\/li>\n<\/ul>\n\n\n\n<p><strong>Mooring strength is capacity. Mooring geometry is control.<\/strong><br>And control is what keeps loads from turning into snap-back events.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. What a Mooring Arrangement Is Really Doing<\/h2>\n\n\n\n<p>A ship at a berth is being pushed\/pulled by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>wind (above water)<\/li>\n\n\n\n<li>current (below water)<\/li>\n\n\n\n<li>wave\/wash\/swell (dynamic)<\/li>\n\n\n\n<li>mooring line elasticity (restoring force)<\/li>\n<\/ul>\n\n\n\n<p>Your mooring arrangement\u2019s job is to create <strong>restoring forces<\/strong> that oppose motion <em>before<\/em> the ship develops momentum.<\/p>\n\n\n\n<p>That last part matters:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Once the ship is moving, the loads needed to stop it rise sharply, and you enter a cycle of surge \u2192 spike loads \u2192 line damage \u2192 failure.<\/p>\n<\/blockquote>\n\n\n\n<p>A good arrangement reduces the chance of surge building in the first place.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. The Four Motions You\u2019re Resisting<\/h2>\n\n\n\n<p>A practical way to understand arrangements is to map lines to the motion they control.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(1) Surge \u2013 fore\/aft movement along the berth<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caused by wash, swell reflection, tide\/current changes, propulsion movements, passing traffic<\/li>\n\n\n\n<li>Controlled mainly by <strong>spring lines<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(2) Sway \u2013 sideways movement towards\/away from berth<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caused by wind\/current and fender compression\/rebound<\/li>\n\n\n\n<li>Controlled mainly by <strong>breast lines<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(3) Yaw \u2013 rotation about the ship\u2019s vertical axis (bow swings in\/out)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caused by uneven forces (gusts, current gradients, tug forces)<\/li>\n\n\n\n<li>Controlled by balanced <strong>head\/stern + springs<\/strong> working as a system<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(4) Heave\/Roll\/Pitch \u2013 vertical and rotational motion from waves\/swell<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cannot be \u201cstopped\u201d by moorings<\/li>\n\n\n\n<li>Must be <strong>tolerated<\/strong> through elasticity, good leads, and avoidance of shock loading<\/li>\n<\/ul>\n\n\n\n<p>You\u2019re not trying to make the ship \u201cimmobile.\u201d<br>You\u2019re trying to keep it within a safe envelope without creating lethal tension.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. Line Types Explained Properly<\/h2>\n\n\n\n<p>People learn the names early. The problem is they don\u2019t learn what the lines actually <em>do<\/em>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Head lines (forward to shore)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Assist with yaw control and limit some surge<\/li>\n\n\n\n<li>Often overloaded when springs are weak or poorly led<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Stern lines (aft to shore)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Same function as head lines, mirrored<\/li>\n\n\n\n<li>Can become the \u201csilent overload\u201d if current\/wash drives stern surge<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Breast lines (near-perpendicular to berth)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Primary sway resistance<\/li>\n\n\n\n<li>Excellent for holding the ship off\/toward the berth<\/li>\n\n\n\n<li><strong>Poor at controlling surge<\/strong> (common misunderstanding)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Spring lines (long, shallow angle fore\/aft)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Primary surge control<\/li>\n\n\n\n<li>The most important lines for many high-energy berths<\/li>\n\n\n\n<li>Often the first to see repeated dynamic spikes<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. Load Sharing: Why It\u2019s Rarely Even<\/h2>\n\n\n\n<p>Many crews assume: \u201cSix lines out means the load is split six ways.\u201d<\/p>\n\n\n\n<p>In reality, load sharing is distorted by:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 Different angles = different work<\/h3>\n\n\n\n<p>A line\u2019s ability to resist a force depends on its angle to that force.<\/p>\n\n\n\n<p>Two lines of equal strength but different angles will not share load equally.<br>One will do the work. The other will \u201clook busy.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 Different elasticity = different load uptake<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A stiffer line takes load earlier<\/li>\n\n\n\n<li>A stretchier line takes load later, often after motion has already begun<\/li>\n\n\n\n<li>When motion begins, you get <strong>dynamic peaks<\/strong>, not smooth transfer<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5.3 Winch friction and drum layering<\/h3>\n\n\n\n<p>If a line is poorly spooled or biting into lower layers, it may:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>hold artificially high tension<\/li>\n\n\n\n<li>not pay out smoothly<\/li>\n\n\n\n<li>dump load suddenly to other lines when it slips<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5.4 Shore fittings are not equal<\/h3>\n\n\n\n<p>Different bollard distances and heights alter lead and effective length, changing stretch and tension behaviour.<\/p>\n\n\n\n<p><strong>Result:<\/strong> one line becomes the sacrificial victim, not by design, but by geometry.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. Angles, Fairleads, and the Hidden Strength Loss<\/h2>\n\n\n\n<p>Even if the line never parts, geometry can quietly destroy it.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6.1 Horizontal lead angle problems<\/h3>\n\n\n\n<p>If a line is led across the deck at an aggressive horizontal angle:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>it rubs and heats at fairleads\/chocks<\/li>\n\n\n\n<li>it sees side loading on fittings<\/li>\n\n\n\n<li>it changes snap-back paths dramatically<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.2 Vertical lead angle problems<\/h3>\n\n\n\n<p>Steep vertical leads:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>reduce effective strength<\/li>\n\n\n\n<li>increase local crushing<\/li>\n\n\n\n<li>cause uneven strand loading<\/li>\n\n\n\n<li>accelerate fatigue<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.3 D\/d and \u201cinvisible weakening\u201d<\/h3>\n\n\n\n<p>Small radii at fittings compress fibres\/strands.<br>Damage occurs internally long before it looks dramatic externally.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">7. Common Arrangement Patterns<\/h2>\n\n\n\n<p>No single pattern is \u201cbest.\u201d The berth and conditions decide.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7.1 Balanced conventional berth mooring (typical)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Good for moderate conditions<\/li>\n\n\n\n<li>Needs strong springs where traffic\/wash exists<\/li>\n\n\n\n<li>Often fails when spring effectiveness is underestimated<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">7.2 \u201cBreast-heavy\u201d arrangements (common mistake)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Looks secure because the ship sits tight to fenders<\/li>\n\n\n\n<li>Often surges badly under wash\/swell<\/li>\n\n\n\n<li>Springs end up overloaded or insufficient<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">7.3 Spring-dominant arrangements (high-energy berths)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Better surge control<\/li>\n\n\n\n<li>Requires clean leads, good spooling, and disciplined tension management<\/li>\n\n\n\n<li>Can reduce shock loading significantly when done properly<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">7.4 High freeboard \/ large windage situations<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Breast lines become critical<\/li>\n\n\n\n<li>But adding breasts without restoring springs often creates snap loading during surge<\/li>\n<\/ul>\n\n\n\n<p><strong>Operational rule:<\/strong><br>If the berth has wash\/swell\/passing traffic, treat <strong>surge control<\/strong> as the primary problem to solve.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">8. Mixed Materials and Tails<\/h2>\n\n\n\n<p>Mixed moorings can be useful. They can also be lethal to load sharing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8.1 Why synthetic tails exist<\/h3>\n\n\n\n<p>They introduce elasticity into stiff wire systems, smoothing peaks and reducing shock loads.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8.2 How mixed elasticity creates unequal load<\/h3>\n\n\n\n<p>If one component stretches more than another:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>the stiffer component takes the early load<\/li>\n\n\n\n<li>the stretchier component engages later<\/li>\n\n\n\n<li>a sudden load transfer can occur when one slips or fails<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">8.3 The real risk<\/h3>\n\n\n\n<p>Mixed systems can create a situation where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>one line repeatedly experiences peaks<\/li>\n\n\n\n<li>damage accumulates quietly<\/li>\n\n\n\n<li>failure occurs \u201cwithout warning\u201d (to the casual observer)<\/li>\n<\/ul>\n\n\n\n<p>Mixed systems demand:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>consistent inspection<\/li>\n\n\n\n<li>consistent tension strategy<\/li>\n\n\n\n<li>honest understanding of what is actually loaded<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">9. Winches and Auto-Tension: How Layout Interacts with Control<\/h2>\n\n\n\n<p>Automatic tensioning can either help or cause destructive cycling.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">9.1 The \u201chunting\u201d problem<\/h3>\n\n\n\n<p>If the ship surges and auto-tension responds aggressively:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>the winch pays out<\/li>\n\n\n\n<li>tension drops<\/li>\n\n\n\n<li>the ship moves more<\/li>\n\n\n\n<li>the winch hauls back<\/li>\n\n\n\n<li>tension spikes again<\/li>\n<\/ul>\n\n\n\n<p>This creates repeated peaks \u2014 exactly what damages lines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">9.2 Layout matters because control isn\u2019t magic<\/h3>\n\n\n\n<p>A poor arrangement makes winches fight the environment.<\/p>\n\n\n\n<p>A good arrangement reduces the demand on winch control by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>limiting surge amplitude<\/li>\n\n\n\n<li>balancing restoring vectors<\/li>\n\n\n\n<li>reducing slack-to-taut events<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">10. Environmental Reality<\/h2>\n\n\n\n<p>A good mooring arrangement is designed for what <em>will happen<\/em>, not what\u2019s happening at the moment you finish mooring.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10.1 Passing traffic and wash<\/h3>\n\n\n\n<p>Wash is a surge generator. Treat it like a periodic impact load.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10.2 Swell reflection inside harbours<\/h3>\n\n\n\n<p>Even sheltered berths can develop standing wave effects.<br>That \u201cgentle\u201d heave becomes repeated tension peaks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10.3 Wind gusts<\/h3>\n\n\n\n<p>Gusts don\u2019t \u201cadd a bit of force.\u201d They can change load distribution instantly and push lines into peak regions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10.4 Tide and current shifts<\/h3>\n\n\n\n<p>A berth that was balanced at slack water can become unstable when current turns, especially if springs are weak.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">11. Failure Pathways: How Arrangements Fail in the Real World<\/h2>\n\n\n\n<p>Most mooring failures are not one event. They are a chain.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Typical pathway:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Arrangement allows too much surge<\/li>\n\n\n\n<li>Surge creates dynamic peaks<\/li>\n\n\n\n<li>Peaks cause glazing, strand damage, or internal fatigue<\/li>\n\n\n\n<li>One line becomes the load \u201cwinner\u201d (unfair share)<\/li>\n\n\n\n<li>Damage accumulates unnoticed<\/li>\n\n\n\n<li>A gust\/wash event triggers final failure<\/li>\n\n\n\n<li>Snap-back event occurs where people thought it was \u201croutine\u201d<\/li>\n<\/ol>\n\n\n\n<p>The best time to stop that chain is at step 1 \u2014 layout.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">12. Practical Mooring Planning Checklist<\/h2>\n\n\n\n<p>Use this as a deck\/CMO-level sanity check before you accept \u201cwe\u2019re secure.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Layout &amp; geometry<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Are springs long, effective, and doing most surge control?<\/li>\n\n\n\n<li>Are breast lines near-perpendicular with clean leads?<\/li>\n\n\n\n<li>Are head\/stern lines balanced and not pretending to be springs?<\/li>\n\n\n\n<li>Are lead angles reasonable (no extreme vertical dips or harsh deck angles)?<\/li>\n\n\n\n<li>Are chocks\/fairleads smooth and suitable?<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Load behaviour<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Are lines sharing load (visually and by tension indication if available)?<\/li>\n\n\n\n<li>Are any lines repeatedly cycling tight\/loose (hunting)?<\/li>\n\n\n\n<li>Do winches respond smoothly, or in abrupt steps?<\/li>\n\n\n\n<li>Is the ship surging in a way that will worsen with traffic\/tide?<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Snap-back and exclusion discipline<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Are exclusion zones enforced as behaviour, not paint?<\/li>\n\n\n\n<li>Is anyone routinely crossing loaded lines?<\/li>\n\n\n\n<li>Are \u201cquick adjustments\u201d being done inside the danger volume?<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Condition and readiness<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Are lines correctly spooled (no biting, no loose turns)?<\/li>\n\n\n\n<li>Are tails and connections properly fitted (no sharp hardware cutting fibres)?<\/li>\n\n\n\n<li>Are the highest-risk lines (usually springs) in best condition?<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">13. Key Takeaways<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mooring is vector control, not rope strength.<\/li>\n\n\n\n<li>Springs usually decide whether surge becomes dangerous.<\/li>\n\n\n\n<li>Load sharing is rarely equal; geometry and elasticity dictate who suffers.<\/li>\n\n\n\n<li>Bad lead angles and poor fittings silently weaken lines.<\/li>\n\n\n\n<li>Auto-tension can cause destructive cycling if layout is wrong.<\/li>\n\n\n\n<li>The safest snap-back zone is still: <strong>no people near loaded lines<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Glossary<\/h2>\n\n\n\n<p><strong>Surge:<\/strong> Fore\/aft movement along the berth.<br><strong>Sway:<\/strong> Sideways movement toward\/away from berth.<br><strong>Yaw:<\/strong> Rotation (bow\/stern swinging).<br><strong>Restoring force:<\/strong> Force generated by moorings opposing movement.<br><strong>Load sharing:<\/strong> Distribution of tension across lines (often unequal).<br><strong>Hunting:<\/strong> Control cycling where winches repeatedly heave\/payout, creating peaks.<br><strong>Lead angle:<\/strong> Angle of the line through fittings; affects strength and recoil path.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Related Articles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Snap-Back Zones: The Physics Behind the Kill<\/li>\n\n\n\n<li>Why Mooring Lines Fail Without Warning<\/li>\n\n\n\n<li>Self-Tensioning Winches: Help, Hazard, or False Security?<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Tags<\/h2>\n\n\n\n<p>On Deck \u2022 Mooring \u2022 Mooring Arrangements \u2022 Deck Safety \u2022 Seamanship \u2022 Load Management \u2022 Springs \u2022 Winches<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The geometry of restraint, load-sharing reality, and why \u201cmore lines\u201d can still fail Estimated read time: 35\u201345 minutesSkill level: Cadet \u2192 AB \u2192 Junior Officer \u2192 Chief Mate Contents Use the links below to jump to any section: 1. Introduction \u2013 Strength Doesn\u2019t Save Bad Geometry A mooring arrangement is not \u201ca bundle of strong [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1,14],"tags":[],"class_list":["post-48142","post","type-post","status-publish","format-standard","hentry","category-latest","category-on-deck"],"acf":[],"_links":{"self":[{"href":"https:\/\/maritimehub.co.uk\/?rest_route=\/wp\/v2\/posts\/48142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/maritimehub.co.uk\/?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maritimehub.co.uk\/?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maritimehub.co.uk\/?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/maritimehub.co.uk\/?rest_route=%2Fwp%2Fv2%2Fcomments&post=48142"}],"version-history":[{"count":1,"href":"https:\/\/maritimehub.co.uk\/?rest_route=\/wp\/v2\/posts\/48142\/revisions"}],"predecessor-version":[{"id":48143,"href":"https:\/\/maritimehub.co.uk\/?rest_route=\/wp\/v2\/posts\/48142\/revisions\/48143"}],"wp:attachment":[{"href":"https:\/\/maritimehub.co.uk\/?rest_route=%2Fwp%2Fv2%2Fmedia&parent=48142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maritimehub.co.uk\/?rest_route=%2Fwp%2Fv2%2Fcategories&post=48142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maritimehub.co.uk\/?rest_route=%2Fwp%2Fv2%2Ftags&post=48142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}