General Revision Guides

35 articles

MGN 719: What the MCA Wants Bridge Teams to Do When GNSS Fails

The MCA's new MGN 719 on GNSS jamming and spoofing: which shipboard systems depend on it, what companies and mariners should do,…

5 min read
UN 3378 Sodium Percarbonate: Why Container Fires Involving This Oxidiser Need a Different Plan

North Standard has alerted members to container fires involving UN 3378. What a Class 5.1 oxidiser does in a fire, what to…

5 min read
Master's Checklist: After an Oil Spill — Activating SOPEP For Real

What a Master actually does in the minutes and days after an oil pollution incident: SOPEP activation, the real notification chain, containment…

5 min read
Workboat Code Edition 3: What the New Safety Management System Means for You, Day-to-Day

The Workboat Code's new Safety Management System isn't just an owner's paperwork exercise — it changes what you should expect to be…

5 min read
Workboat Code Edition 3: Planning Your Renewal Survey Around the December 2026 Deadline

For Masters and Skippers responsible for getting a vessel through renewal survey under Workboat Code Edition 3: the real deadline rule, what…

5 min read
New SOLAS Pilot Transfer Arrangement Requirements — What's Changing, and When

IMO's Maritime Safety Committee adopted revised SOLAS V/23 pilot transfer requirements and new performance standards (Res. MSC.576(110)) in June 2025. Entry into…

5 min read
2026 PSC Concentrated Inspection Campaign on Cargo Securing — A Practical Prep Guide

Paris MoU and Tokyo MoU run a joint Concentrated Inspection Campaign on cargo securing from 1 September to 30 November 2026. Real…

5 min read
Workboat Code 3: What Qualification Do You Actually Need for Your Area Category?

Workboat Code Edition 3, Appendix 5 — the real minimum manning and qualification tables by Area Category (0–6), mandatory training courses, and…

5 min read
Rescue Boat Fall Accidents: The Hidden Winch Defect an Annual Inspection Can Miss

Japan P&I Club's guidance on a rescue boat's uncontrolled fall during a tanker drill, caused by internal winch corrosion that passed every…

5 min read
Lithium-Ion Cells in Containers: The New CINS Guidelines, in Plain English

A practical mini-guide to CINS' 2025 Guidelines for Shipping Lithium-ion Cells in Containers: UN 3480/3481 classification, the SP188 exemption, packing, stowage category,…

5 min read
Taking Over a Vessel Without Its History: A Mini-Guide for Every Department

When maintenance records don't follow a vessel through a change of ownership or management, every department inherits risk. A Master, bridge officer,…

5 min read
Gog Ropes: New Joint Industry Advice, Built Directly From a Fatal Capsize

The British Tugowners Association, UK Maritime Pilots' Association and Workboat Association have published joint guidance on gog ropes, incorporating MAIB recommendations from…

5 min read
True, Variation, Magnetic, Deviation, Compass: The TVMDC Conversion, Properly Explained

A worked-example guide to converting between true, magnetic and compass courses and bearings — where variation and deviation actually come from, and…

5 min read
The Grain Code Just Changed: What MSC.552(108) Actually Allows

IMO Resolution MSC.552(108), in force 1 January 2026, adds a new optional grain loading condition that lets bulk carriers skip end-trimming under…

5 min read
D-2 Is No Longer Optional: A Master's Quick-Reference Table for BWM and SIRE

From 8 September 2024, the D-2 standard applies to every BWM Convention vessel capable of fitting a BWTS. Here's what that means…

5 min read
SCOPIC in Plain English: What It Pays For, and What a Master Does the Moment It's Invoked

SCOPIC is a tariff-based alternative to standard salvage compensation, used in over 200 LOF cases since 1999 for payments exceeding USD 300…

5 min read
Why Dewpoint Is the Number Every OOW Should Actually Be Watching

Fog forms when air cools to its dewpoint, not at a fixed temperature — a practical mini-guide to dewpoint spread as a…

5 min read
Management of Change Isn't Just an ISM Buzzword: A Captain's Mini-Guide

Management of Change applies to more than major equipment overhauls — a practical test for when an informal workaround actually needed a…

5 min read
The Non-Negotiable Checklist Every Master Should Run Before Every Voyage

SOLAS V/34 requires a passage plan before every voyage, regardless of route familiarity. A core pre-departure checklist spine, plus scenario-style orals questions…

5 min read
Nuclear-Powered Shipping: A Master's Mini-Guide to Where This Actually Stands

Lloyd's Register's 'Navigating Nuclear Energy in Maritime' roadmap and three recent design approvals mark real progress on nuclear propulsion — but liability,…

5 min read
Loss of or Damage to Property: A Master's First-Hour Response Guide

The first hour after cargo or third-party property is found lost or damaged shapes the whole claim. A Master's mini-guide to evidence…

5 min read
GM, KG and Free Surface Effect: A Plain-English Stability Refresher

Free surface effect from slack tanks is the most common way a 'stable on paper' loading condition becomes unstable in practice. A…

5 min read
The Fire in the Box You Cannot See: Lithium-Ion Batteries and the Threat Below Deck

Thermal runaway in lithium-ion batteries is one of the fastest-growing fire risks at sea. CINS guidelines backed by P&I clubs warn existing…

5 min read
The Space Looked Fine. Then He Didn't Come Back.

350 deaths in 30 years. 70 in the last three alone. The IMO replaced its enclosed space entry recommendations in December 2025…

5 min read
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