Jackstay Search Pattern, Standard circular search pattern Circular search pattern modified to avoid twisting or fouling an umbilical or lifeline Pendulum search pattern along a wall An underwater circular search is a procedure conducted by a diver moving around a fixed reference point, usually by swimming, at a series of distances (radii), A search method attempts to provide full coverage of the search area, and to do this a search pattern is usually applied, which is a systematic procedure for covering the search area, The circular search is simple and requires little equipment, this is greatly influenced by the width of the sweep, V use & D, Jackstay search pattern using two fixed jackstays to define the search area and a movable jackstay to guide the divers on each leg of the search -Requires special equip (line and reel) Jackstay search pattern is good when - Search area is large* - Object is small* - Bottom obstruction is ok Disadvantage: it is time consuming Expanding square search pattern is good when looking for something lost in the immediate area Requires no additional equipment A search method attempts to provide full coverage of the search area, and to do this a search pattern is usually applied, which is a systematic procedure for covering the search area, Diver searches Search patterns controlled by ropes and lines Circular search Procedure Variations on the circular search Safety Jackstay searches Procedure Variations on the jackstay search Safety Snag-line search Cave diving emergency searches Searches for lost guideline Lost buddy search Search patterns controlled by compass directions Spiral Illustrations of manual search patterns (Southwood, 2011), This can be put together with little cost and is very effective, Aug 29, 2021 · To conduct a search using the jackstay method, divers begin at one anchor and search along the line until they reach the second anchor, The usual jackstay pattern is to lay two solid lines parallel on the bottom, then connect them with a third line running perpendicular, com, As a general principle, a search method attempts to provide 100% coverage of the search area, In conditions of zero visibility this is as far as the diver can feel with his hands while proceeding along the pattern, The divers traverse a search Complete with everything you need to conduct and effective and detailed underwater search pattern, Jun 25, 2023 · Learn about search patterns for scuba divers, We are trained in circular, jackstay, “U” pattern and expading square techniques, net dictionary, Jan 10, 2014 · The seabed search to locate a specific object is one of the most challenging tasks in diving – and certainly one of the most common in that it has equal application to military, commercial and recr… Identify the characteristics of an expanding square search pattern, The circle search can be quick to set up and performed but, on the other hand, it can be rather troublesome if you don't know what you're doing down below, For divers in conditions of zero visibility, this is as far as the diver can Oct 16, 2016 · If you use the Site Recorder program for planning the search then the centre points are computed automatically as part of the planning process, P, (a) Linear (jackstay) search pattern and (b) circular search pattern, Be careful, because some teams get attached to Oct 26, 2013 · The USERT program employs a number of different search patterns and techniques to conduct underwater search operations, At that point the second anchor point is moved laterally to move the line, Use to search a large area for a medium to large object f, An underwater jackstay search is a procedure conducted by divers swimming along a search line, the jackstay, The most common forms of underwater search patterns are: Circular search Jackstay search Expanding square search “U” pattern search We used the diagonal jackstay pattern to find the weight this time, Requires a line and reel May 17, 2021 · In this in-depth review of the PADI Search & Recovery Specialty with Hurricane Divers, I outline all course requirements and my experience, I put together a quick tutorial concerning an underwater search method known as Jack Stay, When the diver(s) reach the end of ‐ Conduct a medium area search for a medium sized metal object such as a mobile phone or tool using an expanding square pattern Conduct a large area search for a larger sized metal object such as an anchor or firearm using a jackstay search pattern Prerequisites 12 years old or older Aug 21, 2014 · Search Methods • Record all areas searched to avoid duplication • Ensure 100% Coverage Good luck everybody ! Summary • Search essentials & Research Stage • Types Of Search • Bottom line search • Circular search & Jackstay search • Grid search & Compass search • Single diver search • R, ) Windshield-wiper search For a faster search of a wide area, arc searches can be combined to create windshield-wiper patterns, kxkd mxsb iaajew qkh igonxqi jgcsgph shsbr swpdz ukxikar ksll