GMDSS GMDSS Emergency Procedures and Coordination 2

Question 1

What is a Rescue Coordination Centre (RCC) responsible for in a GMDSS emergency?

Accepted Answer

Coordinating search and rescue operations for maritime emergencies

Answer

An RCC is responsible for coordinating SAR operations, alerting SAR resources, and managing communications during a maritime emergency.

Question 2

What information must be included in a DSC distress alert?

Accepted Answer

MMSI, nature of distress, position, time of position

Answer

A DSC distress alert must include the vessel's MMSI, nature of distress, last known position (lat/lon), and time of that position.

Question 3

How often should a vessel update its DSC controller with its current GPS position?

Accepted Answer

Every 4 hours manually or automatically via GPS link

Answer

DSC controllers should be updated with current position every 4 hours, either manually or via automatic GPS interface, to ensure accurate distress alerts.

Question 4

What is an MMSI number and how many digits does it contain?

Accepted Answer

Maritime Mobile Service Identity — 9 digits

Answer

An MMSI (Maritime Mobile Service Identity) is a unique 9-digit number assigned to a vessel's radio equipment for DSC identification.

Question 5

When should a vessel broadcast a MAYDAY RELAY?

Accepted Answer

When it receives a distress message but the distressed vessel needs help relaying to shore

Answer

A MAYDAY RELAY is transmitted when a vessel receives a distress message but the distressed vessel cannot contact shore authorities directly.

GMDSS - Global Maritime Distress and Safety System Practice Test

GMDSS - Global Maritime Distress and Safety System Practice Test

GMDSS GMDSS Emergency Procedures and Coordination 2