A diving support vessel is a ship that is used as a floating base for professional diving projects. Basic requirements are the ability to keep station accurately and reliably throughout a diving operation, often in close proximity to drilling or production platforms, for positioning to degrade slowly enough in deteriorating conditions to recover divers without excessive risk, and to carry the necessary support equipment for the mode of diving to be used.
A diving chamber is a vessel for human occupation, which may have an entrance that can be sealed to hold an internal pressure significantly higher than ambient pressure, a pressurised gas system to control the internal pressure, and a supply of breathing gas for the occupants.
A deep-submergence rescue vehicle (DSRV) is a type of deep-submergence vehicle used for rescue of personnel from disabled submarines and submersibles. While DSRV is the term most often used by the United States Navy, other nations have different designations for their equivalent vehicles.
Marine salvage is the process of recovering a ship and its cargo after a shipwreck or other maritime casualty. Salvage may encompass towing, lifting a vessel, or effecting repairs to a ship. Salvors are normally paid for their efforts. However, protecting the coastal environment from oil spillages or other contaminants from a modern ship can also be a motivator, as oil, cargo, and other pollutants can easily leak from a wreck and in these instances, governments or authorities may organise the salvage.
DSRV-1Mystic is a deep-submergence rescue vehicle that is rated to dive up to 5,000 feet. It was built by Lockheed for the US Navy at a construction cost of $41 million and launched 24 January 1970. It was declared fully operational in 1977 and named Mystic. The Mystic or the Avalon could be deployed to rescue survivors of a disabled submarine.
The NATO Submarine Rescue System (NSRS) is a tri-national project to develop an international submarine rescue system. The system provides a rescue capability primarily to the partner nations of France, Norway and the United Kingdom, but also to NATO and allied nations and to any submarine equipped with a suitable mating surface around its hatches.
Salvage diving is the diving work associated with the recovery of all or part of ships, their cargoes, aircraft, and other vehicles and structures which have sunk or fallen into water. In the case of ships it may also refer to repair work done to make an abandoned or distressed but still floating vessel more suitable for towing or propulsion under its own power. The recreational/technical activity known as wreck diving is generally not considered salvage work, though some recovery of artifacts may be done by recreational divers.
Underwater search and recovery is the process of locating and recovering underwater objects, often by divers, but also by the use of submersibles, remotely operated vehicles and electronic equipment on surface vessels.
A submarine rescue ship is a surface support ship for submarine rescue and deep-sea salvage operations. Methods employed include the McCann Rescue Chamber, deep-submergence rescue vehicles (DSRV's) and diving operations.
The Styrsö class is a series of mine countermeasures vessels in service with the Swedish Navy built from glass fibre. Among its intended missions are naval mine detection, mine hunting and patrolling. The ships are named after islands from four different archipelagos of Sweden. In 2004 HSwMS Spårö and HSwMS Sturkö were modernised, pulling out some of their capability for traditional mine clearance in favour of extended human dive support, the modified vessels are occasionally called Spårö class.
The Royal Swedish Navy's Submarine Escape and Rescue system (SMER) is a set of equipment used by the Swedish Navy to provide rescue facilities for the crews of disabled submarines. The submarine rescue ship, the submarine rescue vessel, and the escape system on the submarines, which consists of an escape trunk and an escape suit, are its three main parts.
URF is the Royal Swedish Navy’s Submarine Rescue Vessel.
USSP is a planned Submarine rescue ship of the Marina Militare, financed with 2017's balance law.
It is expected to replace Italian ship Anteo.
The following outline is provided as an overview of and topical guide to underwater diving:
MV Mega Bakti is a submarine rescue ship operated by the Royal Malaysian Navy (RMN). The ship was specially designed and built by Keppel Singmarine for use in Malaysia.
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.
ROKS Tongyeong (ATS-31) is the lead ship of the Tongyeong-class salvage and rescue ship in the Republic of Korea Navy. She is named after the city, Tongyeong.
ROKS Gwangyang (ATS-32) is the second ship of the Tongyeong-class salvage and rescue ship in the Republic of Korea Navy. She is named after the city, Gwangyang.
Submarine rescue is the process of locating a sunk submarine with survivors on board, and bringing the survivors to safety. This may be done by recovering the vessel to the surface first, or by transferring the trapped personnel to a rescue bell or deep-submergence rescue vehicle to bring them to the surface. Submarine rescue may be done at pressures between ambient at depth, and sea level atmospheric pressure, depending on the condition of the distressed vessel and the equipment used for the rescue. Self-rescue of submarine personnel by buoyant free ascent at ambient pressure is considered submarine escape. Survivors may require recompression treatment for decompression illness.
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