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- Distance_line abstract "A distance line, penetration line or guide line is an item of diving equipment used by scuba divers as a means of returning to a safe starting point in conditions of low visibility, water currents or where pilotage is difficult. They are often used in cave diving and wreck diving where the diver must return to open water after a penetration when it may be difficult to discern the return route. Guidelines are also useful in the event of silt out.Distance lines are wound on to a spool or a reel. The length of the distance line used is dependant on the plan for the dive. An open water diver using the distance line only for a surface marker buoy may only need 50 metres / 165 feet, whereas a cave diver may use multiple reels of lengths from 50 ft (15 m) to 1000+ ft (300 m). Reels for distance lines may have a locking mechanism, ratchet or adjustable drag to control deployment of the line and a winding handle to help keep slack line under control and rewind line. Lines are used in open water to deploy surface marker buoys and decompression buoys and link the buoy on the surface to the submerged diver, or may be used to allow easy return navigation to a point such as a shotline or boat anchor.The material used for any given distance line will vary based on intended use, nylon being the material of choice for cave diving. A common line used is 2 mm (0.08 inch) polypropylene line when it does not matter if the line is buoyant.The use of guideline for navigation requires careful attention to laying and securing the line, line following, marking, referencing, positioning, teamwork, and communication.".
- Distance_line thumbnail Distance_line.JPG?width=300.
- Distance_line wikiPageExternalLink options-for-choosing-a-wreck-diving-reel.
- Distance_line wikiPageID "496877".
- Distance_line wikiPageRevisionID "601516053".
- Distance_line caption "50".
- Distance_line hasPhotoCollection Distance_line.
- Distance_line name "Distance line".
- Distance_line otherNames "Guideline".
- Distance_line related "Jackstay, Cave line, Penetration line, Jump line, Search line".
- Distance_line uses "Used to guide divers back to a specific point".
- Distance_line subject Category:Underwater_diving_safety_equipment.
- Distance_line comment "A distance line, penetration line or guide line is an item of diving equipment used by scuba divers as a means of returning to a safe starting point in conditions of low visibility, water currents or where pilotage is difficult. They are often used in cave diving and wreck diving where the diver must return to open water after a penetration when it may be difficult to discern the return route. Guidelines are also useful in the event of silt out.Distance lines are wound on to a spool or a reel.".
- Distance_line label "Distance line".
- Distance_line label "Fil d'Ariane (plongée)".
- Distance_line label "Tauchseil".
- Distance_line sameAs Tauchseil.
- Distance_line sameAs Fil_d'Ariane_(plongée).
- Distance_line sameAs m.02hghr.
- Distance_line sameAs Q2396765.
- Distance_line sameAs Q2396765.
- Distance_line wasDerivedFrom Distance_line?oldid=601516053.
- Distance_line depiction Distance_line.JPG.
- Distance_line isPrimaryTopicOf Distance_line.