The primary purpose of the GMDSS is: correct answers Automate and improve emergency
communications for the worlds shipping industry
What is the fundamental concept of GMDSS? correct answers It is intended to automate and
improve emergency communications in the maritime industry
What is the basic concept of GMDSS? correct answers Shoreside authorities and vessels can
assist in a coordinated SAR operation with minimum delay
GMDSS is a system primarily based on: correct answers The linking of SAR authorities ashore
with shipping in the immediate vicinity of a ship of distress or in need of assistance
What is the responsibility of vessels under GMDSS? correct answers Every ship is able to
perform those communications functions that are essential for the safety of the ship itself and of
other ships
GMDSS is required for which of the following: correct answers SOLAS convention ships of 300
gross tonnage or more
Which communications functions must all vessels be capable of performing under GMDSS as
defined by the International Maritime Organization? correct answers Distress alerting to and
from vessels, search and rescue coordination, on-scene communications, signals for locating,
maritime safety information, general and bridge-to-bridge communications
Which of the following is a required GMDSS function? correct answers Bridge-to-Bridge
communications
Which of the following is a required GMDSS function? correct answers Both 1 and 2
, GMDSS-equipped ships will be required to perform which of the following communication
functions correct answers All of these
What equipment is associated with the land or terrestrial systems? correct answers VHF-MF-HF
Within a single sea area, what is the primary reason GMDSS imposes carriage requirements for
different radio subsystems? correct answers Each subsystem has a specific purpose and
capabilities that generally cannot be duplicated by other subsystems
What is defined as an area within the radiotelephone coverage of at least one VHF coast station
in which continuous DSC alerting is available? correct answers Sea area A1
If a vessel is engaged in local trade and at no point in its voyage travels outside of the range of a
VHF shore station with continuous DSC alerting then the vessel is operating in what area?
correct answers Sea area A1
What is defined as an area, outside sea area A1, within the radiotelephone coverage of at least
one MF coast station in which continuous DSC alerting is available? correct answers Sea area A2
What sea area is defined as being within range of a shore-based MF station which provides for
continuous DSC alerting? correct answers Sea area A2
What equipment is associated with the space systems? correct answers Inmarsat-C
What is defined as an area, excluding sea areas A1 and A2, within the coverage of an
INMARSAT geostationary satellite in which continuous alerting is available? correct answers
Sea area A3
Which of the following region lies outside Sea Areas A1, A2, and A3? correct answers Sea Area
A4