GMDSS Sea Area A1
For small craft SRC revision, VHF/DSC is commonly associated with GMDSS Sea Area A1, where VHF coast station coverage is expected.
- A1 is VHF DSC coverage
- VHF is not global
GMDSS
Module 9 of 10
GMDSS & Safety Equipment
How VHF fits alongside EPIRB, PLB, SART, AIS, Navtex, and other distress or safety information systems.
GMDSS sea area A1EPIRB and PLBSARTAIS and Navtex
Lesson summaries
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EPIRB, PLB, and SART
An EPIRB alerts search and rescue through satellite systems. A PLB is a personal locator beacon. A SART helps rescuers home in at close range.
- EPIRB: vessel beacon
- PLB: personal beacon
AIS and Navtex
AIS exchanges vessel identity and movement data. Navtex receives maritime safety information such as navigational and weather warnings.
- AIS: vessel data
- Navtex: safety information
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