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A diver in a pool wearing an AGA full face mask A diver wearing an Ocean Reef full face mask Head protection helmet for use with Ocean Reef full face diving mask. A full-face diving mask is a type of diving mask that seals the whole of the diver's face from the water and contains a mouthpiece, demand valve or constant flow gas supply that provides the diver with breathing gas. [1]
A diving mask (also half mask, dive mask or scuba mask) is an item of diving equipment that allows underwater divers, including scuba divers, free-divers, and snorkelers, to see clearly underwater. [1] [2] Surface supplied divers usually use a full face mask or diving helmet, but in some systems the half mask may be used. [2]
Surface-supplied diving includes diving using an umbilical with gas supply hose, lifeline strength member and communications cable, using a helmet or full-face mask, [4] and diving with a simple air line, also known as hookah equipment., [5] though regulatory legislation may in some jurisdictions exclude air line equipment from their definition ...
Full face masks protect the face from dirty or cold water and reduce risk by securing the gas supply to the diver's face. If it contains no mouthpiece, the diver can talk, allowing the use of communications equipment. Half masks cover only the eyes and nose. The diver breathes from a separate mouthpiece on the regulator or rebreather.
Through-water systems allow communications over limited distances between divers and with the surface, usually using a push to talk system, which minimises power consumption by transmitting only on demand. [20] They are not yet in general use by recreational divers due to cost and the need for a full-face mask. [18]
These may be worn with a full-face mask or half mask to provide impact protection when diving under an overhead, and may also be used to mount lights and video cameras. [3] [4] An alternative to the diving helmet that allows communication with the surface is the full-face diving mask. These cover most of the diver's face, specifically including ...
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