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A buoyancy compensator (BC), also called a buoyancy control device (BCD), stabilizer, stabilisor, stab jacket, wing or adjustable buoyancy life jacket (ABLJ), depending on design, is a type of diving equipment which is worn by divers to establish neutral buoyancy underwater and positive buoyancy at the surface, when needed.
Scubapro – Brand of scuba diving equipment – Scuba regulators, fins, lights, dive computers, Seacraft (DPV brand), also known as Marine Tech S.A. – Polish manufacturer of diver propulsion vehicles. [119] Seac Sub Italian manufacturer of diving equipment for scuba, freediving, spearfishing and snorkelling. [120] Seadive – (See Oceanways ...
A further requirement for scuba diving in most circumstances, is the ability to achieve significant positive buoyancy at any point of a dive. [3] [5] [6] When at the surface, this is a standard procedure to enhance safety and convenience, and underwater it is generally a response to an emergency.
The predominant type of BCD currently used in recreational diving is the jacket style BCD. The backplate and wing differs from the jacket style primarily in the way that the functions required of a BCD (attachment to diver, buoyancy control and attachment to cylinder(s)) are performed by distinct components, rather than a single unit.
Rebreather diving, closed-circuit or semi-closed-circuit scuba; Freediving or breathhold diving, where the diver completes the dive on a single breath of air taken at the surface before the dive. Snorkelling allows breathing at the surface with the face submerged, and is used as an adjunct to free diving and scuba.
Training for Olympic diving competition requires 10-meter diving facilities, which are scant in some parts of the world. For example, the Walter Schroeder Aquatic Center, built in 1979 as a YMCA facility, is one of only two Olympic-sized pools in Wisconsin that can host large events, and it is the only facility in the southeast Wisconsin region ...