GMDSS PROFESSIONAL STUDY SHEET
TESTED QUESTIONS MASTER FILE
●● The primary purpose of the GMDSS is:
Answer: Automate and improve emergency communications for the
world's shipping industry.
●● What is the basic concept of GMDSS?
Answer: SAR authorities ashore can be alerted to a Distress situation &
shipping in the vicinity can be requested to
participate in SAR operations.
●● GMDSS is primarily a system based on:
Answer: The linking of search and rescue authorities ashore with
shipping in the immediate vicinity of a ship in
Distress or in need of assistance.
●● What is the responsibility of compulsory GMDSS vessels?
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?
,Answer: SOLAS Convention ships of 300 gross tonnage or more.
●● Which GMDSS system utilizes terrestrial radio techniques?
Answer: VHF-MF-HF-DSC
●● What equipment utilizes satellite communications?
Answer: Inmarsat-C
●● What equipment is used in or near the survival craft?
Answer: EPIRB
●● What equipment is programmed to initiate transmission of Distress
alerts and calls to individual stations?
Answer: DSC Controller
●● What system provides accurate vessel position information to the
GMDSS equipment?
Answer: GPS
●● Which of these can be used to receive MSI?
Answer: NAVTEX
, ●● Which of the following regions lie outside Sea Areas A1, A2, and
A3?
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?
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?
Answer: Sea area A1
●● 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?
Answer: Sea area A3
●● SITOR (NBDP) equipment is a partial or alternate carriage
requirement under GMDSS for vessels
operating in which sea area(s)?
Answer: A3 and A4
TESTED QUESTIONS MASTER FILE
●● The primary purpose of the GMDSS is:
Answer: Automate and improve emergency communications for the
world's shipping industry.
●● What is the basic concept of GMDSS?
Answer: SAR authorities ashore can be alerted to a Distress situation &
shipping in the vicinity can be requested to
participate in SAR operations.
●● GMDSS is primarily a system based on:
Answer: The linking of search and rescue authorities ashore with
shipping in the immediate vicinity of a ship in
Distress or in need of assistance.
●● What is the responsibility of compulsory GMDSS vessels?
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?
,Answer: SOLAS Convention ships of 300 gross tonnage or more.
●● Which GMDSS system utilizes terrestrial radio techniques?
Answer: VHF-MF-HF-DSC
●● What equipment utilizes satellite communications?
Answer: Inmarsat-C
●● What equipment is used in or near the survival craft?
Answer: EPIRB
●● What equipment is programmed to initiate transmission of Distress
alerts and calls to individual stations?
Answer: DSC Controller
●● What system provides accurate vessel position information to the
GMDSS equipment?
Answer: GPS
●● Which of these can be used to receive MSI?
Answer: NAVTEX
, ●● Which of the following regions lie outside Sea Areas A1, A2, and
A3?
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?
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?
Answer: Sea area A1
●● 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?
Answer: Sea area A3
●● SITOR (NBDP) equipment is a partial or alternate carriage
requirement under GMDSS for vessels
operating in which sea area(s)?
Answer: A3 and A4
