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2. Dive light - Wikipedia

   en.wikipedia.org/wiki/Dive_light

   Backup lights are carried in case the primary light fails during the dive. This is particularly important in cave and wreck penetration diving, where the light is required to facilitate navigation out of the enclosed space. Cave divers are trained to carry three dive lights as a result of an accident analysis by Sheck Exley published in 1977 ...

3. List of diver certification organizations - Wikipedia

   en.wikipedia.org/wiki/List_of_diver...

   These include certification in cave diving, commercial diving, recreational diving, technical diving and freediving. Diver certification agencies are organisations which issue certification of competence in diving skills under their own name, and which train, assess, certify and register the instructors licensed to present courses following the ...

4. List of legislation regulating underwater diving - Wikipedia

   en.wikipedia.org/wiki/List_of_legislation...

   the minimum age for diving is 18 years, but for recreational diving 8 years, subject to depth limits by age for divers younger than 18 years, some items of equipment are compulsory, such as: diving equipment including mask, snorkel, fins, buoyancy compensation device, regulator with two second stages, and submersible pressure gauge,

5. Diver certification - Wikipedia

   en.wikipedia.org/wiki/Diver_certification

   A Diving certification or C-card is a document (usually a wallet sized plastic card) recognizing that an individual or organization authorized to do so, "certifies" that the bearer has completed a course of training as required by the agency issuing the card. This is assumed to represent a defined level of skill and knowledge in underwater diving.

6. Diving regulations - Wikipedia

   en.wikipedia.org/wiki/Diving_regulations

   They apply only where the Occupational Health and Safety Act applies, so do not cover diving in minerals and energy industries, which have different safety legislation. There have been three versions of the Diving Regulations, dated 2001, 2009 (sometimes referred to as Diving Regulations 2010 at they were published in January 2010. [4] and 2017 ...

7. Diver navigation - Wikipedia

   en.wikipedia.org/wiki/Diver_navigation

   Nav finder and underwater compass – basic underwater navigation tools Suunto SK-7 diving compass in aftermarket wrist mount with bungee straps. Diver navigation, termed "underwater navigation" by scuba divers, [1] is a set of techniques—including observing natural features, the use of a compass, and surface observations—that divers use to navigate underwater.

8. Diver detection sonar - Wikipedia

   en.wikipedia.org/wiki/Diver_Detection_Sonar

   Diver detection sonar (DDS) systems are sonar and acoustic location systems employed underwater for the detection of divers and submerged swimmer delivery vehicles (SDVs). The purpose of this type of sonar system is to provide detection, tracking and classification information on underwater threats that could endanger property and lives.

9. Diving activities - Wikipedia

   en.wikipedia.org/wiki/Diving_activities

   Scientific diving is the use of underwater diving techniques by scientists to perform work underwater in the direct pursuit of scientific knowledge. [11] Scientific divers are normally qualified scientists first and divers second, who use diving equipment and techniques as their way to get to the location of their fieldwork.