A buoyancy compensator (BC, BCD, stab jacket) is a piece of dive gear whose principal functions are to facilitate floating at the surface, adjust buoyancy beneath the water and reach the surface without effort in case of emergency.
These devices are worn by both recreational and commercial divers, and are used by dive schools. Today, virtually no one dives without a BC because of their safety advantages.
The BC jacket is inflated by compressed air from the tank via a hose attached to the first stage of the regulator. It is filled or emptied via buttons and/or pull-cords. It usually incorporates a rigid backpack to which the tank is strapped. It also has pockets and D-rings for holding gear, such as dive lights, fish guides and gauges. Some include quick-release pockets for dive weights.
Older-style, horse collar BCs are slipped over the head and strapped to the body. They are independent of the tank and backpack, but can still be connected to the first stage for power inflation.
There are numerous varieties of stab jacket, including specialty models designed for travel or for technical diving. The jacket should be inflated to verify fit and ready access to controls and closures. Particular attention should be paid to the lumbar support and to seam quality.
An in-water test is advisable before purchase, since proper fit is essential for safety and comfort. Jacket volume should be sufficient to lift the wearer and a diver needing assistance to the surface.
- Added comfort and safety
- Provides gear storage
- Facilitates surfacing
- Cumbersome if fit is poor
- Inflation uses tank air
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Buoyancy compensator TRAVELIGHT Cressi-Sub
This jacket has been specifically designed for those who travel by plane as it is the result of painstaking research on the most suitable materials for reducing weight to...
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Buoyancy compensator MASTERLIFT X-AIR LIGHT 2 Beuchat
- Bag with volume divided in front and in back, a concept that makes it possible to optimize equilibrium in the water. - Single-bag in 840 denier Nylon/polyurethane...
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Buoyancy compensator PRO LT Aqua Lung
This weight-integrated, jacket style BC is the latest addition to the highly successful family of "Pro" BCs. Those that dive with Pro LT will benefit from the quality and knowledge that Aqua Lung and SeaQuest have developed in BC design and construction over the last four decades. It packs features, style and durability...
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Professional diving buoyancy compensator HYBRID AT Mares
Control, comfort, and fit • Airtrim for fast and intuitive buoyancy control • Foldab le backpack and suspension system •...
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Dual bladder buoyancy compensator AQUASKY 2000 Leon Sports
MATERIALS * Heavy duty 420 Denier bladder material for superior strength and durability * 840D nylon non-fade pack cloth * YKK buckle * Duraflex...
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Buoyancy compensator ICARO TECH Seac sub
The Seac technical buoyancy compensator par excellence has already been awarded the Reddot Award Product Design in 2007 as “The best...
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Buoyancy compensator AVID Sherwood Scuba
The new AVID CQR-3 features an updated weight release system providing more convenience and ease when installing and removing the pockets. The redesigned styling of the traditional...
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Buoyancy compensator TRAVELWING A.P. Valves
The Travelwing sub three zero The Travelwing Sub Three Zero is constructed from the same unique lightweight materials sourced to produce the popular Commando Escape travel BCD. That is, a combination of the toughest available laminated...
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Buoyancy compensator BIO LITE Oceanic WorldWide
The newest lightweight BC at just 5.5 pounds! The new Biolite BC looks to establish itself as a complete solution with the introduction...
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Buoyancy compensator KNIGHTHAWK Scubapro
The Knighthawk, Ladyhawk and Litehawk back-floatation BCs incorporate an array of features which make them a truly complete package for divers who prefer a more streamlined profile. One...
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Buoyancy compensator WTX SERIES Apeks
WTX Series Buoyancy Compensators Now, for the first time, the company that produces the premiere line of technical regulators offers you a premiere...
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Buoyancy compensator HI-PRO MAX Free shark
- Buoyancy Bags in Platilon 400 Micron - Zip in Nylon mm.10 - Exterior in highly resistant woven neting 1000 fili - Reinforced armature -...
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Buoyancy compensator BCJ-1800 VOYAGER Tusa
TUSA's BCJ-1800 Voyager is a lightweight and compact BC ideal for warm water divers or the constant traveler. The BCJ-1800 offers TUSA patented features such as the integrated Weight Loading System (W.L.S.),...
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Buoyancy compensator CLASSIC Mini-B Shallow Water Scuba Products
The Mini B Classic compact scuba diving system, represents the most sensible alternative to conventional scuba diving equipment, when shallow, short duration submerged...
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Buoyancy compensator BLACK DRAKE Seemann Sub GmbH & Co. KG
For the pure delight on diving. Unbeatable price-performance ratio. Enjoy your dives with this lightweight ADV BC with attractive and deliberate design. The PURE captivates with its tight form, without...
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Buoyancy compensator 3K Dive System
The minimalist gear configuration Outer shell in Cordura® 1000 (Kevlar® optional) Inner bladder in Polyurethane Soltane...
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Buoyancy compensator PHANTOM COMFORT Finnpor
Phantom Comfort set consist of solid belting with intgrated weight system and comfortable shoulder upholsteries with quick-locking buckle. Thanks to many D-rings accessories can easily be attached. Back plate is made of 3mm...
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Ladies' buoyancy compensator PEARL Sea Quest
The Pearl is a new mid-level women’s BC that combines the superior fit, comfort and cosmetic of the pioneering Pearl i3, with the traditional operation of the Diva series. For...
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Buoyancy compensator BIO XD Apollo
After thoroughly cleaning your equipment in fresh water after diving some salt deposits still remain. These salt deposits are particularly evident in the cloth...
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Buoyancy compensator EVOLVE HALCYON
The Halcyon Evolve maintains a novel, industry first-design; this unique circular wing provides unprecedented control, allowing divers to easily fine...
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Buoyancy compensator TECH 1000 SOPRAS s r.o.
TECH 1000 "Offers you the advantages of a free and comfortable movement, characteristic of a wing jacket accompanied by safety. These unique qualities...
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Buoyancy compensator GUARDIAN FLIGHT Northern Diver (International)
The Northern Diver buoyancy range consists of high quality budget BCDs, high performance BCDs, dual-bladder wing plus weight belts and weight...
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Buoyancy compensator JR COMMERCIAL DIVING JACKET AquaTec
Combining ditchable weights, cylinder backplate with quick release cam band and recovery harness into single waistcoat....
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Buoyancy compensator SEA POWER TIGULLIO dive
BC with classic style cut, designed for maximal practicality...
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Buoyancy compensator DIAMOND EXTRA Amaranto
High volume single bladder made of Cordura 1000 (externally)/nylon 840 (internally). Padded hard back pack. Adjustable...
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Buoyancy compensator for diving rebreather WING Poseidon
The Rebreather Wing is tailored to fit the Discovery MKVI....
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Boat stabilizer system STAFIN VETUS
Motor yachts over 10 m length are frequently used on open waters. VETUS stabilizers are the ideal solution for drastically reducing the rolling movement of these vessels in bad weather or in...
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Description Whether you are a pro or a novice, you will enjoy the sense of security from the extra amount of stability offered by the SideKick ama kit. Great for use when sailing, fishing, standing when sight-fishing, shooting photos! The SideKick ama kit is simple, light weight and effective! The SideKick’s cross arms...
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Stabilizer for ships TYPE F Blohm + Voss Industries
Non-Retractable Fin Stabilizers, Type F Simplex-Compact non-retractable fin stabilizers represent the optimum solution for a wide range of naval vessels, such as corvettes, frigates and...
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Yacht stabilizer system Sleipner Motor
Stabilizer systems have been around for a long time, but typically only used on larger passenger ships and super yachts. However, the dramatically increased comfort and usability of any boat have made owners of also smaller leisure vessels wish for this. By reducing the uncomfortable...
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Boat stabilizer system bis 10 Tonnen Swi-Tec
Anchor comfortably, without rocking! - Dampens the roll from waves...
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Kayak stabilizer Careen Klepper
For the best sailing experience, we recommend the KLEPPER Careen boom....