About this app

U.S. Coast Guard GMDSS (Global Maritime Distress and Safety System) exam covers a range of topics related to the operation and maintenance of GMDSS equipment, as well as the regulations governing maritime communication and safety. The specific topics may include:

GMDSS Overview:

Understanding the purpose and function of the GMDSS. Familiarity with the key components of the GMDSS, including communication equipment and systems.

GMDSS Regulations:

Knowledge of the international and U.S. regulations governing GMDSS operations. Familiarity with the requirements outlined in the Safety of Life at Sea (SOLAS) convention.

GMDSS Equipment Operation:

Proficiency in operating and maintaining GMDSS communication equipment, such as radio transceivers, satellite systems, and emergency beacons. Understanding the use of Digital Selective Calling (DSC) for distress alerts and routine communication.

Distress and Safety Procedures:

Knowledge of distress and safety procedures outlined in the GMDSS, including the use of distress signals, emergency position indicating radio beacons (EPIRBs), and search and rescue operations.

Sea Area Definitions:

Understanding the different sea areas as defined by the GMDSS and the corresponding communication requirements for each area.

Watchkeeping Procedures:

Familiarity with watchkeeping procedures, including maintaining a proper radio watch and responding to distress calls.

Navigational Aids and Communication Methods:

Knowledge of navigational aids and communication methods used in conjunction with the GMDSS for safe navigation and coordination of maritime traffic.

Radio Regulations:

Understanding radio frequency allocations, procedures for avoiding interference, and compliance with radio regulations.


Exam trial is divided into 24 parts, each of which has more than 50 questions


Application features :

- Multiple-choice exercise
- There are Hint or Knowledge
- More than 50 questions in one part.
- Review the answers for the topic's learning materials.
- Setting delay time to answer the questions and it can be on/off.
- Setting for the total number of questions that will appear per topic/ exam, the actual number of questions will be selected by the system if it is less than what has been set.
- It can be running Offline.
- On the topic selection screen, you can see the progress percentage of the exam per topic

New features

Ship Global Maritime Distress & Safety System Exam Trial for deck Officer, Radio operator, and maritime enthusiast

PRO version is a paid version with new features and improvements from the free version and of course no ads. PRO version can be running Offline.