Mark Powell has been diving since 1987, and became an Instructor in 1994. In 2002, he set up Dive-Tech, a dedicated technical diving facility. He has been a full-time Diving Instructor since then. He is a TDI Instructor Trainer, and a member of TDI’s Global Training Advisor Panel. He is a TDI/SDI International Business Manager, and supports Regional Managers and divers across the world. Mark represents TDI on the British Diving Safety Group and the HSE Recreational Diving Industry Committee. He is also a member of the Diver Training and Breathing Apparatus committees at the British Standards Institute. Mark is an author, and his books “Deco for Divers” and “Technical Diving - An Introduction” are both highly recommended readings by a number of the technical diving agencies.
Plan the dive and dive the plan has long been the mantra employed in all areas of diving. Technical divers, in particular, spend more time planning their dives than many recreational divers. This is due […]