Author Topic: When should the surface marker buoy (SMB) be deployed?  (Read 1228 times)


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  • Singapore Scuba Diving Forum
It depends on the situation.

Key functions of the SMB - To let people (and boats) know that there are divers near the surface, and especially to let your boat crew know your location before you actually surface.

To find out more -

There's also a demo video on how to deploy an SMB.