Maritime Knowledge Base
Browse questions and answers across marine machinery, merchant navy careers, shipboard operations and maritime glossary terms.
Browse by Category
Marine Machinery
Troubleshooting guides for pumps, boilers, purifiers, compressors and auxiliary systems.
Merchant Navy Careers
Questions about joining the merchant navy, exams, cadetships, ranks and sea-time.
Maritime Glossary
Plain-English definitions of shipping, engine-room, navigation and regulatory terms.
Shipboard Operations
Practical Q&A for watchkeeping, safety, maintenance routines and onboard documentation.
Results for "Draft"
What is SOLAS?
SOLAS explained — the IMO's most important safety convention and the areas of ship safety it governs.
Shipboard OperationsWhat is a draught survey and how is cargo weight calculated?
A draught survey determines the weight of bulk cargo loaded or discharged by measuring the ship's draughts and calculating the change in its displacement.
Shipboard OperationsWhat is under keel clearance and why is it important?
Under keel clearance is the vertical gap between the lowest point of a ship's keel and the seabed — a safety margin that must be maintained to avoid grounding.
