Visual Surface Signaling Devices

What are visual surface signaling devices, and why are they important?

Visual surface signaling devices are tools used by divers to increase their visibility on the surface, helping boats or rescue teams locate them. They are critical for safety, especially in open water or strong currents, where divers may drift away from their entry point.

What types of visual signaling devices are available?

Common types include surface marker buoys (SMBs), signal mirrors, fluorescent flags, and strobes or lights with visible beam settings. Each type serves different purposes, with SMBs and flags providing visibility during the day and strobes or lights being effective at night.

How do I choose the right surface signaling device for my needs?

Consider your diving conditions and environment. For daytime dives, an SMB or high-visibility flag is effective. For low-light or night dives, a strobe or high-intensity light is ideal. Signal mirrors are lightweight and versatile, making them a good backup option for all dives.

How do I properly deploy a surface marker buoy (SMB)?

Before surfacing, inflate the SMB using your regulator or oral inflation valve. Ensure it is released gently to avoid entanglement. Keep hold of the reel or spool attached to the SMB to control its ascent. Practice deploying an SMB in controlled conditions before using it in open water.

How should I maintain and store my visual signaling devices?

Rinse your signaling devices with fresh water after each dive to remove salt, sand, or debris. Dry them thoroughly before storing in a cool, dry place. Check for wear, such as fraying lines on SMBs or corrosion on lights, and replace parts as necessary to ensure reliability.