classes-tdi-stagebottlesThis course examines the theory, methods and procedures of planned stage decompression diving. 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 150fsw/45msw unless taught in conjunction with TDI Advanced Nitrox. The most common equipment requirements, gear set-ups, decompression techniques and decompression mixtures (including oxygen and nitrox) are presented.

Class Includes:

  • Online Class Code
  • Certification Processing


The instructor has final approval authority on accepting anyone into the class even though minimum prerequisites have been met.

Minimum Age: 18

Class Price: $599*tdi-deco-procedures

*Combine this course with TDI Advanced Nitrox for only $949!

Class Schedule:

There are specific pre-requisites and dive experience needed to take this class. Contact us for more details!

Required Equipment:

  • Scuba quality mask, strap style fins and booties (if not using a drysuit).
  • Technical style BCD that has the ability to carry a stage bottle. Must have adequate lift capability for cylinder(s) used. Back plate and wing style preferred. Must be equipped with a low pressure inflator. No recreational sytle BCD’s.
  • Weight system.
  • Regulators – 2 First stage with primary, LPI hose, SPG, and drysuit inflator hose. 1 Oxygen clean stage bottle regulator with SPG.
  • Dive computer and redundant bottom timer and depth gauge.
  • Gas cylinder(s) appropriate for planned dives and personal consumption. Doubles with isolation valve – minimum 80 cf cylinders.
  • Gas cylinder for decompression mixes – oxygen cleaned and labeled in accordance with course standards. Volume appropriate (minimum 30 cu. ft. cylinder) for the planned dive and personal consumption.
  • Exposure suit adequate for training environment – drysuit preferred.
  • Reel (minimum 300’ line).
  • Ascent spool (mimimum 100′ line).
  • Lift bag or other approve surface marker buoy (minimum 50# lift).
  • Access to oxygen analyzer.
  • Underwater multi-page wrist slate.
  • Compass
  • Cutting Tool
  • DAN Insurance

Equipment and Gas Fills are the responsibility of the student.