Extension of allowable dive time and depth through staged decompression; examination of the theory, methods, and procedures for planning and executing staged decompression dives utilizing helium in the breathing mixture to reduce the effects of inert gas narcosis and using decompression breathing gases containing up to 100 percent oxygen. Prerequisites: Must complete a scuba training agency medical evaluation form showing no contradictions to diving, or complete a scuba training agency medical evaluation and physician approval form indicating that a physician has advised and approved a student to participate in the activity of scuba diving; certification as an Advanced Diver with Deep specialty or TDI Intro to Tech Diver; DIVE 410 strongly recommended; proof of 50 logged dives; Divers Alert Network (DAN) diving accident insurance (Master Level) or equivalent; junior or senior classification; or approval of instructor Credits 3. 2 Lecture Hours. 3 Lab Hours.
Extension of allowable dive time and depth through staged decompression; examination of the theory, methods, and procedures for planning and executing staged decompression dives utilizing helium in the breathing mixture to reduce the effects of inert gas narcosis and using decompression breathing gases containing up to 100 percent oxygen. Prerequisites: Must complete a scuba training agency medical evaluation form showing no contradictions to diving, or complete a scuba training agency medical evaluation and physician approval form indicating that a physician has advised and approved a student to participate in the activity of scuba diving; certification as an Advanced Diver with Deep specialty or TDI Intro to Tech Diver; DIVE 410 strongly recommended; proof of 50 logged dives; Divers Alert Network (DAN) diving accident insurance (Master Level) or equivalent; junior or senior classification; or approval of instructor Credits 3. 2 Lecture Hours. 3 Lab Hours.
