Maritime Knowledge Base
Browse questions and answers across marine machinery, merchant navy careers, shipboard operations and maritime glossary terms.
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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 "Not under command"
What is the emergency procedure if the steering gear fails?
Steering gear failure is a serious emergency handled by switching to the standby power unit or emergency steering and warning other ships, backed by SOLAS redundancy.
Merchant Navy CareersHow do you become a ship captain (Master) in the merchant navy?
Becoming a ship's captain means progressing through the deck department from cadet to Master, building sea time and passing successive Certificates of Competency.
Marine MachineryHow do you recover from a blackout (total loss of electrical power)?
A blackout is the total loss of electrical power on a ship — recovery depends on the emergency generator, restarting the main plant and restoring services in the right order.
Merchant Navy CareersWhat are the ranks and hierarchy in the merchant navy?
A merchant ship's crew is organised into the deck, engine and catering departments, each with a clear hierarchy of officers and ratings under the overall command of the Master.
Merchant Navy CareersHow long does it take to become a ship captain in the merchant navy?
Becoming a Master typically takes somewhere around eight to twelve years from cadet, depending on the individual, the flag and how quickly sea time and certificate examinations are completed.
Merchant Navy CareersCan women join the merchant navy and what roles can they hold?
Yes — women can and do serve in every department and rank of the merchant navy, from cadet to Master and chief engineer, and the industry is actively working to recruit more.
Merchant Navy CareersWhat is the difference between the merchant navy and the (military) navy?
The merchant navy is the commercial fleet that carries cargo and passengers for trade, crewed by civilian seafarers, while the navy is a country's military maritime force.
Merchant Navy CareersWhat is a dynamic positioning operator and how do you become one?
A dynamic positioning operator controls the system that automatically keeps an offshore vessel precisely on station, a specialised and well-paid skill built on a deck-officer background.
