Sea Area A1

What does Sea Area A1 mean in boating?

The Sea Area A1 refers to a coastal maritime radio zone where continuous VHF marine radio coverage is available. This zone typically extends 30 to 40 nautical miles off the coast, ensuring reliable communication with coastal radio stations and other vessels.

Practical tip:


Make sure your VHF radio is operational before sailing in A1 Sea Areas. Practice radio communication regularly.