This course examines the theory, methods and procedures of planned stage decompression diving.  This program is designed as a stand alone course or it may be taught in conjunction with such TDI courses as Advanced Nitrox, Advanced Wreck, or Extended Range.

The objective of this course is to train divers how to plan and conduct a standard staged decompression dive not exceeding a maximum depth of 150 fsw / 45 msw unless taught in conjunction with the Extended Range or Advanced Wreck Course.  The most common equipment requirements, gear set-ups, decompression techniques and decompression mixtures (including oxygen and nitrox) are presented.

Pre-requisites:

q      Minimum age 18

q      Minimum certification of diver

q      Minimum of 25 open water dives, or the equivalent at the discretion of the instructor, in the environment in which the course is being presented.

Qualifications of Graduates:

q      Upon successful completion of this course, graduates may engage in decompression diving activities utilizing air, nitrox or oxygen without direct supervision.

q      Upon successful completion of this course, graduates are qualified to enroll in:

1.     TDI Advanced Nitrox Course

2.     TDI Extended Range Course

3.     TDI Advanced Wreck Course

4.     TDI Entry Level Trimix

Required Materials:                 

q      Primary cylinder(s).

q      Decompression mix cylinders.

q      Depth gauge and automatic bottom timer and/or dive computer.

q      Regulator(s).

q      Buoyancy compensator adequate for equipment configuration.

q      Jon-line and other rigging lines as dictated by site conditions.

q      Ascent reel with lift bag/surface marker buoy.

q      Exposure suit adequate for the open water environment.

q      Oxygen analyzer (may be supplied by the instructor).