GMDSS Flashcards
What is GMDSS?
Satellite system designed to enhance ship to shore communications and to provide rapid automated distress alert.
What does GMDSS stand for?
Global Maritime Distress and Safety Signal
What is one of the big advantages of GMDSS?
provides location information when you call out in distress, has longer range that VHF
Is GMDSS mandatory for pleasure craft?
NO. It is currently only for commercial and non-pleasure craft. It will reamin this way for the foreseeable future.
Sea area A1
Whithin range of at least one shore based VHF-DSC coast station, 20 nm form shore.
Sea Area A2
Within range of at least one shore based MF-DSC coast station (typically 100 nm form shore excluding area A1)
Sea area A3
Thsi is within INMARSAT satellite coverage between 70* N and 70* S, excluding areas A1, A2
Sea area A4
Includes polar regions, excluding area A1A2A3
What does the acronym DSC stand for?
Digital Selective Calling
What does acronym MMSI stand for? ***
Maritime Mobile Service Identity
Phone number