The PADI MSDT stands for Master Scuba Diver Trainer. This is a 5 specialty courses program with which you will extend the knowledge of training outside the standard PADI Instructor Development Course. With Neptune IDC Center, you will be receiving for free 2 of the necessary specialty courses having to complete the rest of 3 specialities. The MSDT program can be joined by already certified Open Water Scuba Instructors or immediately after your IDC program and IE. MSDT takes 3 days to complete and it involves both class-room sessions as well as diving in confined and open waters depending on the specialties you will be choosing. For more detailed information read our dedicated page Master Scuba Diver Instructor.