GMDSS & NAVTEX UPDATED ACTUAL
Exam Questions and CORRECT Answers
What is the fundamental concept of the GMDSS? - CORRECT ANSWER - GMDSS
utilizes automated systems and satellite technology to improve emergency communications for
the world's shipping industry
What is the primary purpose of the GDMSS System? - CORRECT ANSWER - Automate
and improve emergency communications for the world's shipping industry
What is the basic concept of GMDSS? - CORRECT ANSWER - SAR athourities ashore
can be alerted to a distress situation & shipping in the vicinity can be requested to participate in
SAR operations
GMDSS is a system primarily based on... - CORRECT ANSWER - the linking of search
and rescue athourities ashore with shipping in the immediate vicinity of a ship in distress and in
need of assistance.
What is the responsibility of compulsory GMDSS vessels? - CORRECT ANSWER -
Every vessel must be able to perform communications functions essential for its own safety and
the safety of other vessels.
GMDSS is required for which of the following? - CORRECT ANSWER - SOLAS
Convention ships of 300 gross tonnage or more.
Which GMDSS system utilizes terrestrial radio techniques? - CORRECT ANSWER -
VHF-MF-HF-DSC
What equipment utilizes satellite communications? - CORRECT ANSWER - Inmarsat-C
What equipment is used in or near the survival craft? - CORRECT ANSWER - EPIRB
, What equipment is programmed to initiate transmission of Distress alerts and calls to individual
stations? - CORRECT ANSWER - DSC Controller
What system provides accurate vessel position information to the GMDSS equipment? -
CORRECT ANSWER - GPS
Which of these can be used to receive MSI? - CORRECT ANSWER - NAVTEX
Which of the following regions lie outside Sea Areas A1, A2, and A3? - CORRECT
ANSWER - Sea Area A4
What sea area is defined as being within range of a shore-based MF station that provides for
continuous DSC alerting? - CORRECT ANSWER - Sea Area A2
If a vessel is engaged in local trade and at no point in its voyage travels outside the range of a
VHF shore station with continuous DSC alerting then the vessel is operating in what area? -
CORRECT ANSWER - Sea Area 1
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 ANSWER -
Sea Area A3
SITOR (NBDP) equipment is a partial or alternate carriage requirement under GMDSS for
vessels operating in which sea area(s)? - CORRECT ANSWER - A3 and A4
What is defined as the area within the radiotelephone coverage area of at least one VHF coast
station in which continuous DSC alerting is avaliable as defined by the IMO regulation for
GMDSS? - CORRECT ANSWER - Sea Area A1
Exam Questions and CORRECT Answers
What is the fundamental concept of the GMDSS? - CORRECT ANSWER - GMDSS
utilizes automated systems and satellite technology to improve emergency communications for
the world's shipping industry
What is the primary purpose of the GDMSS System? - CORRECT ANSWER - Automate
and improve emergency communications for the world's shipping industry
What is the basic concept of GMDSS? - CORRECT ANSWER - SAR athourities ashore
can be alerted to a distress situation & shipping in the vicinity can be requested to participate in
SAR operations
GMDSS is a system primarily based on... - CORRECT ANSWER - the linking of search
and rescue athourities ashore with shipping in the immediate vicinity of a ship in distress and in
need of assistance.
What is the responsibility of compulsory GMDSS vessels? - CORRECT ANSWER -
Every vessel must be able to perform communications functions essential for its own safety and
the safety of other vessels.
GMDSS is required for which of the following? - CORRECT ANSWER - SOLAS
Convention ships of 300 gross tonnage or more.
Which GMDSS system utilizes terrestrial radio techniques? - CORRECT ANSWER -
VHF-MF-HF-DSC
What equipment utilizes satellite communications? - CORRECT ANSWER - Inmarsat-C
What equipment is used in or near the survival craft? - CORRECT ANSWER - EPIRB
, What equipment is programmed to initiate transmission of Distress alerts and calls to individual
stations? - CORRECT ANSWER - DSC Controller
What system provides accurate vessel position information to the GMDSS equipment? -
CORRECT ANSWER - GPS
Which of these can be used to receive MSI? - CORRECT ANSWER - NAVTEX
Which of the following regions lie outside Sea Areas A1, A2, and A3? - CORRECT
ANSWER - Sea Area A4
What sea area is defined as being within range of a shore-based MF station that provides for
continuous DSC alerting? - CORRECT ANSWER - Sea Area A2
If a vessel is engaged in local trade and at no point in its voyage travels outside the range of a
VHF shore station with continuous DSC alerting then the vessel is operating in what area? -
CORRECT ANSWER - Sea Area 1
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 ANSWER -
Sea Area A3
SITOR (NBDP) equipment is a partial or alternate carriage requirement under GMDSS for
vessels operating in which sea area(s)? - CORRECT ANSWER - A3 and A4
What is defined as the area within the radiotelephone coverage area of at least one VHF coast
station in which continuous DSC alerting is avaliable as defined by the IMO regulation for
GMDSS? - CORRECT ANSWER - Sea Area A1
