When may a compulsory vessel NOT be allowed...

🔍 Key Concepts

• GMDSS (Global Maritime Distress and Safety System) functional requirements for compulsory vessels • Conditions under which a compulsory vessel may be detained in port for not meeting GMDSS carriage or performance standards • Difference between having equipment on board and having it properly tested, documented, and operational

💭 Think About

• For each option, ask: Does this condition prevent the vessel from meeting the minimum GMDSS operational requirements before departure? • Consider which situation would cause an inspector or authority to say, "This ship cannot sail until this is corrected," rather than just allowing a temporary exemption or operational workaround. • Think about the importance of proof of performance and logging versus simply having equipment physically installed on board.

✅ Before You Answer

• Verify which situations clearly meet all required GMDSS capabilities and manning on paper, even if not ideal. • Identify which choice describes a failure in demonstrating that required equipment is operating correctly (including testing and log entries). • Check which option would most directly trigger a port state control detention or delay in sailing until the deficiency is corrected or documented.

When may a compulsory vessel NOT be allowed to leave port?

When the vessel is in an over-carriage condition.

When the vessel has arranged for both duplication of equipment and shore-based maintenance.

When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions.

When the vessel has replaced a required piece of GMDSS-related equipment, but its performance has not been verified or logged .

🔍 Key Concepts

💭 Think About

✅ Before You Answer