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The hand signal "OK" Diver communications are the methods used by divers to communicate with each other or with surface members of the dive team. In professional diving, diver communication is usually between a single working diver and the diving supervisor at the surface control point.
In the communication used by scuba divers, the OK sign is specific in its meaning that "everything is OK" as regulated by the Recreational Scuba Training Council. Divers are taught to always use this sign and not the thumbs up gesture because the latter means that a diver needs to ascend. [ 12 ]
In an effort to insure universal, easily understood signals between divers, [35] the Recreational Scuba Training Council agencies together defined a set of hand signals intended for universal use, which are taught to diving students early in their entry-level diving courses. [34] Hand signals may also have more than one variation that may ...
Diving accident; Diving accident investigation; Diving at Work Regulations 1997; Diving attendant; Diving buddy; Diving chamber operation; Diving contractor; Diving control board; Diving Control Board; Diving equipment maintenance and testing; Diving fatalities; Diving hand signals; List of diving hazards and precautions; Diving incident and ...
Download as PDF; Printable version; ... Buoyancy control in scuba diving; ... Diving hand signals; List of diving hazards and precautions;
Diving glove – Hand protection worn while driving; Diving half-mask – Mask covering the nose and eyes of an underwater diver; Diving hand signals – A form of sign system used to communicate underwater; Diving harness – Item fastened around a diver which allows the diver to be lifted
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The procedures vary depending on whether the diver is using scuba or surface supplied equipment. Scuba divers control their own descent and ascent rate, while surface supplied divers may control their own ascents and descents, or be lowered and lifted by the surface team, either by their umbilical, or on a diving stage, or in a diving bell.