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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.
If a weight harness is worn, or the BCD uses an integrated-weights system, the system is checked for correct assembly and function of clip release. A secondary check is to ensure that the buddy is familiar with the weight system of the diver being checked, and is able to operate it to ditch weights in an emergency. R - Releases
The government of Spain issued a royal decree taking effect on 1 July 2020 (Real Decreto 550/2020 de 2 de junio: Condiciones de Seguridad de las actividades de buceo), regulating recreational diving activities [16] [17] [18] Restrictions include: a diver must have the appropriate and necessary training for the type of diving intended,
A backplate and wing (often abbreviated as BP&W or BP/W) is a type of scuba harness with an attached buoyancy compensation device (BCD) which can be used to establish neutral buoyancy underwater and positive buoyancy at the surface. Unlike most other BCDs, the backplate and wing is a modular system, in that it consists of separable components.
A variable-buoyancy pressure vessel system is a type of rigid buoyancy control device for diving systems that retains a constant volume and varies its density by changing the weight (mass) of the contents, either by moving the ambient fluid into and out of a rigid pressure vessel, or by moving a stored liquid between internal and external variable-volume containers.
This is a glossary of technical terms, jargon, diver slang and acronyms used in underwater diving.The definitions listed are in the context of underwater diving.
A Navy buddy diver team checking their gauges together. Buddy diving is the use of the buddy system by scuba divers and freedivers.It is a set of safety procedures intended to improve the chances of avoiding or surviving accidents in or under water by having divers dive in a group of two or sometimes three.
An out-of-gas emergency is a life-support emergency which occurs when the breathing gas supply is cut off by running out, supply system failure, or supply system interruption. These are the most urgent of the common diving emergencies, and the ones the diver should be equipped and skilled to manage.