GMDSS Study Guide 2026
Everything you need to pass the GMDSS exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 GMDSS Exam Format at a Glance
📚 GMDSS Topics to Study (21)
✍️ Sample GMDSS Questions & Answers
1. What does a Category I EPIRB do that a Category II EPIRB does not?
A Category I EPIRB is mounted in a float-free bracket and automatically activates and floats free when the vessel sinks to 1-4 meters depth.
2. In Global Maritime Distress and Safety System, what is the most effective approach to active listening during professional interactions?
Active listening involves fully concentrating on the speaker, demonstrating engagement through eye contact and body language, paraphrasing to confirm understanding, and asking relevant questions.
3. What is the consequence of non-compliance with regulations in Global Maritime Distress and Safety System?
Non-compliance can result in serious consequences including financial penalties, loss of professional licensure, legal liability, reputational damage, and in some cases criminal prosecution.
4. In GMDSS, what frequency must all vessels in sea areas A1 continuously guard for DSC alerts?
Vessels operating in GMDSS Sea Area A1 must maintain a continuous DSC watch on VHF Channel 70 (156.525 MHz).
5. What is a Rescue Coordination Centre (RCC) responsible for in a GMDSS emergency?
An RCC is responsible for coordinating SAR operations, alerting SAR resources, and managing communications during a maritime emergency.
6. What is the primary objective of digital selective calling in Global Maritime Distress and Safety System?
The primary objective of digital selective calling knowledge is to ensure practitioners have the competence and proficiency needed to perform effectively and safely in their professional roles.