Cavern Diver Course

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First step in the Overhead Environnment during the TDI Cavern diver course - Cenote Carwash (Actun Ha) Tulum - Mexico

The cavern diver course is your first step in overhead environment diving. Through this course, you will build up the skills to dive safely within the natural daylight and a short distance from the exit. Not only you will learn about proper planning, procedures and techniques for cavern diving but also about the hazards and how to deal with them. And of course, you will now enjoy your cavern diving in the Cenotes to a much higher level of knowledge and safety.

The cavern diver course is the first part of the Cave course. After your training you will know what to expect and decide if you keep going.

Duration
  • Minimum of 3 days
  • Open water training
  • Minimum 4 cavern dives
  • Theory: minimum 6 hours
Gear

This course will definitely take you a step further in your diver’s life. Once certified as a cavern diver you might of course consider following your training with the Intro to cave or even all the way to Full cave training.

Course prerequisites
  • Minimum age 18, 15 with parental consent
  • Open Water Scuba Diver
  • Proof of 25 logged dives
Qualifications
  • Daylight zone
  • Penetration is limited to 1/3 of a single diving cylinder or 1/6th if using double cylinders
  • 61 linear metres / 200 linear feet from the surface
  • 40 metres / 130 feet maximum depth
  • No decompression diving
  • No restrictions
  • Maintain a continuous guideline
  • Qualified to enroll in: Introductory Cave course
What you will learn during the Cavern diver course
  • Policy for cavern diving
  • Gas management procedures
  • Psychological considerations of cavern diving
  • Equipment considerations
  • Communication (light and hand signals, touch contact)
  • Body posture/trim
  • Buoyancy control
  • GuideLine use (deploy, follow with eyes opened and  closed)
  • Propulsion and anti-silting techniques
  • Physiology
  • Cavern environment and conservation
  • Problem solving
    • Emergency procedures (Air share, light failure…)
    • Equipment failure
    • Silting conditions
  • Accident analysis
  • Predive planning

Upon successful completion of this course, graduates may engage in Intro to Cave training

Side Mount     Intro to Tech     Intro to Cave

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