Bridge Navigation & Deck Operations

GMDSS – General Knowledge

This test evaluates your knowledge of the Global Maritime Distress and Safety System . It covers key equipment, functions, and procedures for maritime communication and emergency response, ensuring compliance with international safety standards.

Questions 16

Time Limit 9 min

Language English

Sample Questions

Here are some example questions from this quiz. Download the GYRO app to take the full test.

Question 1

Is it possible to receive coastal maritime safety information through the SafetyNet service using INMARSAT C SES?

A Yes, in the settings of the EGC receiver, it is necessary to specify the coastal areas (letters) for which information is required, as well as the types of information to be received

B No, the reception of coastal maritime safety information is carried out only by the NAVTEX service

C No, the reception of coastal maritime safety information is carried out only by the HF MSI service

D Yes, but such reception is only possible a limited number of times per day (usually up to two times)

Question 2

Name all methods of ensuring the availability of radio equipment

A Duplication of equipment - Shorebased maintenance - At sea electronic maintenance capability

B Duplication of equipment

C Shorebased maintenance - At sea electronic maintenance capability

D Duplication of equipment - Delivery and replacement of radio equipment at sea

Question 3

What is the chain of communication for a Distress alert from an EPIRB to the RCC?

A EPIRB - GEOSAR/LEOSAR - LUT (LEO/GEO) - MCC - RCC

B EPIRB - GEOSAR/LEOSAR - MCC - LUT (LEO/GEO) - RCC

C EPIRB - MCC - LUT (LEO/GEO) - GEOSAR/LEOSAR - RCC

D EPIRB - LUT (LEO/GEO) - GEOSAR/LEOSAR - MCC - RCC

Question 4

When communicating via radio telephony, your interlocutor cannot understand a word that you are saying. He asks you to spell that word out. What will you do?

A I will use the International Phonetic Alphabet from the Radio Regulations

B I will use the English alphabet

C I will shift the conversation to another communication channel where I can be heard better

D I will use simpler words in terms of pronunciation and understan

Question 5

Which channels from the list below can be used for negotiations between vessels in the VHF range?

A Channels 6 and 13

B Channels 16 and 70

C Channels 15 and 17

D Channels 74 and 75

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