Diving support equipment

Diving support equipment is the equipment used to facilitate a diving operation. It is either not taken into the water during the dive, such as the gas panel and compressor, or is not integral to the actual diving, being there to make the dive easier or safer, such as a surface decompression chamber. Some equipment, like a diving stage, is not easily categorised as diving or support equipment, and may be considered as either.

Breathing gas equipment
  • Booster pump – Machine to increase pressure of a fluid
  • Breathing gas – Gas used for human respiration
  • Carbon dioxide scrubber – Device which absorbs carbon dioxide from circulated gas
  • Cascade filling system – Filling pressurised gas from a series of storage cylinders
  • Diver's pump – Manually powered surface air supply for divers
  • Diving air compressor – Machine used to compress breathing air for use by underwater divers
  • Diving air filter – Device to purify compressed breathing air
  • Gas blending – Producing special gas mixtures to specification
  • Gas blending for scuba diving – Mixing and filling cylinders with breathing gases for use when scuba diving
  • Gas panel – Breathing gas distribution panel for surface-supplied diving
  • Gas reclaim system – System to recover used breathing gas and prepare it for re-use
  • Gas storage bank – Group of similar size high pressure cylinders mounted together and connected to a common manifold
  • Gas storage quad – Group of similar size high pressure cylinders mounted together on a transport frame and connected to a common manifold
  • Gas storage tube – High pressure gas container with a larger diameter and length than high pressure cylinders, usually with a tapped neck at both ends.
  • Heliox – A breathing gas mixed from helium and oxygen
  • Helium analyzer – Instrument to measure the concentration of helium in a gas mixture
  • High pressure breathing air compressor – Machine to provide atmospheric air at high pressure for breathing
  • Low pressure breathing air compressor – Machine to provide atmospheric air at low pressure for breathing
  • Membrane method of gas concentration
  • Nitrox – Breathing gas, mixture of nitrogen and oxygen
  • Oxygen analyser – Instrument to measure partial pressure of oxygen in a gas mixture
  • Oxygen compatibility – Use of equipment and materials that are suitable for service with a high partial pressure of oxygen
  • Pressure swing adsorption – method of gas concentration using selective adsorbtion under pressure
  • Trimix – Breathing gas consisting of oxygen, helium and nitrogen

Platforms

Habitats

Decompression eqipment
  • Built-in breathing system – System for supply of breathing gas on demand within a confined space
  • Diving chamber – Hyperbaric pressure vessel for human occupation used in diving operations
  • Hyperbaric lifeboat – Lifeboat for transporting people under pressure
  • Hyperbaric stretcher – Portable pressure vessel to transport a person under pressure.
  • Saturation system – A surface hyperbaric complex including a living chamber, transfer chamber, closed diving bell and the infrastructure to operate them

Deployment systems
  • Atmospheric diving suit – Articulated pressure resistant anthropomorphic housing for an underwater diver
  • Bell cursor – Device to guide and control a diving bell near and above the surface
  • Clump weight – A heavy weight suspended on cable used to guide a diving bell
  • Diving bell – Chamber for transporting divers vertically through the water
  • Diving ladder – Ladder to facilitate egress from the water by divers
  • Boarding stirrup – A suspended foot support allowing divers to use a leg to help lift themselves from the water into the boat – A suspended foot support allowing divers to use a leg to help lift themselves from the water into the boat.
  • Launch and recovery system (LARS) – Equipment used to deploy and recover a diving bell, stage, or ROV
  • Moon pool – An opening in the base of a hull, platform, or chamber giving access to the water below
  • Shark-proof cage – A metal structure to protect divers and snorkellers from potentially dangerous sharks
  • Shotline – Substantial weighted near-vertical line with buoy

Remotely controlled underwater vehicles
  • Remotely operated underwater vehicle – A tethered underwater mobile device operated by a remote crew
  • 8A4-class ROUV – A Chinese work class remotely operated underwater vehicle
  • ABISMO – Japanese remotely operated underwater vehicle for deep sea exploration
  • Atlantis ROV Team – A high-school underwater robotics team from Whidbey Island, Washington, United States
  • CURV – Early remotely operated underwater vehicle
  • Épaulard – A French remotely operated underwater vehicle of the Ifremer
  • Global Explorer ROV – A deep water science and survey remotely operated vehicle
  • Goldfish-class ROUV – A light class of Chinese remotely operated underwater vehicle
  • Kaikō ROV – Japanese remotely operated underwater vehicle for deep sea exploration
  • Long-Term Mine Reconnaissance System – An American torpedo tube-launched underwater search and survey unmanned undersea vehicle
  • Mini Rover ROV – A small, low cost observation class remotely operated underwater vehicle
  • OpenROV – Open-source remotely operated underwater vehicle
  • ROV KIEL 6000 – A remotely operated vehicle built by Schilling Robotics, Davis, California for scientific tasks
  • ROV PHOCA – A remotely operated underwater vehicle of the COMANCHE type
  • Scorpio ROV – A work class remotely operated underwater vehicle
  • Sea Dragon-class ROV – A Chinese deep diving work class remotely operated underwater vehicle
  • Seabed tractor – A special purpose class of remotely operated underwater vehicle
  • Seafox drone – A remotely operated anti-mine marine drone
  • Seahorse ROUV – A Chinese scientific and maintenance remotely operated underwater vehicle
  • SeaPerch – A remotely operated underwater vehicle educational program
  • SJT-class ROUV – A series of Chinese remotely operated underwater vehicles
  • T1200 Trenching Unit – A remotely operated seabed trenching unit
  • VideoRay UROVs – A series of inspection class remotely operated underwater vehicles

Dive planning and recording equipment
  • Decompression tables – Tabulated data that allow divers to determine a decompression schedule for a given dive profile and breathing gas
  • Dive planning – The process of planning an underwater diving operation
  • Diver's logbook
  • Diving operations record – Documentation recording a professional dive
  • Recreational Dive Planner – A PADI no-decompression dive table also available as a circular slide rule and electronic calculator
  • Subsurface (software) – Open source dive log program

Safety equipment
  • Diver down flag – Flag signal indicating divers are in the water nearby
  • Diving shot – Substantial weighted near-vertical line with buoy
  • Jackstay
  • Reserve gas supply – Surface breathing gas supply for diving use if main supply is compromised

Other
  • Hot water system (diving) – Equipment to heat water and supply it to a surface-supplied diver through the umbilical system.
  • Downline – Rope running from a point at the surface to the underwater workplace used as a guideline for divers and transfer of equipment

References
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