International consensus on leisure diving, dive flag must be erected on the diving site. When a vessel sees a diving flag in a water area, it must not be within 100 feet/30 meters. It should bypass the road to avoid damage to the rising divers. If the water surface must be close, you should observe the foam and pass it carefully.
About diving flag
There are two kinds of diving flags, one is a red square flag with a white twill.
The other is the blue-and-white bicolor dovetail flag, also known as the Alpha flag/international diving flag.
The flag itself represents the meaning of "the ship is supporting the diver, diving operations, it can not leave."
In addition to this, the diving team also needs to carry the water mark in the open water. The new OW course has incorporated the SMB release skills into the course. Visible signs of importance on the water surface.
Commonly used diving buoys
Red elephant pulls
Use for normal diving activities, before divers lift up water, shallow water areas, and ship waterways.
Yellow elephant pulls
Use in case of emergency and need rescue
Float buoy
Because of its large size, this type of buoy is not easy to carry and requires a large amount of air to release. Therefore, it is usually used only when it is used for teaching and snorkeling in a fixed diving area and an open water area close to the shore.
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