A diver with the SSI Recreational Sidemount Diving certification may earn the XR Sidemount Diving certification by completing the additional skill requirements for the Pool/Confined Water Session in an Extended Range Sidemount Total Diving System, and the requirements for Open Water Training Dive 4, as outlined in the instructor manual for Sidemount Diving.
تمت كتابة مواد SSI باللغة الانجليزية وتتبع قواغد ونطق وتهجئة (الانجليزية - الولايات المتحدة)