7R-A-03: Sea Areas
The Sea Area you are in is determined by:
Whether the ship station is in range of a VHF-DSC, MF-DSC, HF-DSC Coast Station or Inmarsat coverage.
The vessel’s distance from shore.
The types of maintenance available to your vessel.
None of the above
If a vessel is on a voyage from Miami, Florida to Houston, Texas what Sea Areas may it transit through?
All of the above may be correct.
Sea area A3
Sea area A2 or A3 if it is not within range of a VHF-DSC equipped coast station.
Sea area A1 only if within range of a VHF-DSC equipped coast station.
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?
Sea area A1
Coastal and international zones
Inland and coastal waters
Sea areas A1 and A2
For a vessel to be in GMDSS Sea Area A-1:
The vessel must be within range of a coast station equipped with continuous VHF-DSC capability.
The vessel must be within VHF range of a Public Correspondence Station.
The vessel must be within VHF range of a U. S. C. G. communication station.
The vessel must be within VHF range of either a U. S. C. G. or a Public Correspondence Station.
A vessel is on a coastwise voyage that results in a distance off shore of 10 to 40 nm and therefore:
Answers a) and c) may both be true.
The vessel may not be in Sea Area A-1 at all times.
The vessel will always be in Sea Area A-1.
For the vessel to be within Sea Area A-1 it must be within range of a coast station equipped with continuous VHF-DSC capability.
What is defined as the area within the radiotelephone coverage area of at least one VHF coast station in which continuous DSC alerting is available as defined by the IMO regulation for GMDSS?
Sea Area A1
Ocean Area Regions AOR-E, AOR-W, POR or IOR
Sea Area A2
Coastal and Inland Waters
● = Unseen
● = Weak
● = Review
● = Learned
● = Incorrect answer