GMDSS Practice Tests and GOC Exam Preparation
GMDSS SELF-STUDY · QUESTION BANK
GMDSS practice tests for deck officers and cadets
Choose a short topic quiz or a longer practice set. All eight tests on this page are in English.
Independent study material — not an official GOC examination or certification.
Choose a topic to review, then use one of the longer tests to revisit mixed subjects. Questions are from the GMDSS Maritime Communications & Radio Procedures study collection. For current requirements, check the relevant IMO, SOLAS, STCW and ITU source linked in the site footer.
Topic quizzes · 40 questions each
QUIZ 01 · FOUNDATIONS
GMDSS Foundations
Purpose, core functions, SOLAS framework and operator responsibilities.
QUIZ 02 · COMMUNICATION
Maritime Communication Standards
Priorities, standard marine language, voice procedure and records.
QUIZ 03 · EQUIPMENT
GMDSS Equipment and Sea Areas
Radio systems, sea areas, satellite services and locating devices.
QUIZ 04 · DISTRESS & SAFETY
Distress and Safety Procedures
Distress alerts, follow-up, urgency, safety broadcasts and false alerts.
QUIZ 05 · READINESS
Operational Readiness and Compliance
Testing, maintenance, power supply, inspections, familiarization and drills.
QUIZ 06 · SCENARIOS
Applied Maritime Communication Scenarios
Practice applying GMDSS communication concepts to operational scenarios.
Longer practice sets
PRACTICE SET · 220 QUESTIONS
Comprehensive GMDSS Practice Test
Review a broad range of GMDSS topics in one longer attempt.
PRACTICE SET · 240 QUESTIONS
Extended GMDSS Practice Test
A second large question set for further revision across the course topics.
Also available: 250-question self-practice bank
Use the existing GMDSS test to select a question count and practise with a randomized set.