A true overhead environment course, into the dark zone!

    The TDI Advanced Wreck Diver Course is the next step for any diver that has successfully completed the SDI Wreck Diver Course. During this course, your TDI Instructor will teach you the proper techniques for locating and planning an advanced penetration dive. The advanced wreck course is commonly taught with other popular TDI courses such as Advanced Nitrox, Decompression Procedures, Extended Range.

    Please note that the TDI Advanced Wreck course should not be confused with the SSI or RAID courses of the same name which limit divers to areas of natural light.


    What's Involved?

    Who this course is for:

    • The basic wreck diver looking to:
      • Learn proper advanced wreck penetration techniques
      • Advance their technical diving education

    What you can expect to learn:

    • Use of advanced wreck diving equipment including:
      • Primary cylinder(s)-dual outlet single tank, independent doubles, or doubles with isolation manifold
      • Decompression/stage cylinders
      • Redundant primary regulators
      • Primary and back-up lighting systems
      • Penetration/safety reels
      • Lift bag/SMBs
    • Wreck penetration procedures
      • Equipment selection
      • Pre-dive checks and drills
      • Stress analysis and mitigation
      • Guideline use, deployment, following, retrieval
      • Team awareness and communication
      • Emergency procedures (equipment failures, catastrophic gas loss, omitted decompression, navigational errors, entrapment/entanglement, loss of visibility, injured/unconscious diver, etc)
      • SMB/lift bag deployment
    • Proper trim, buoyancy and propulsion techniques

    What’s in it for you?

    • Ability to conduct technical wreck diving activities without direct supervision provided:
      • The diving activities approximate those of training
      • The areas of activities approximate those of training
      • Environmental conditions approximate those of training

    TDI Advanced Wreck minimum requirements:

    • Satisfactorily complete the TDI Advanced Wreck course written examination
    • Complete all open water requirements safely and efficiently
    • Demonstrate mature, sound judgment concerning dive planning and execution

    How long will it take?

    What do I need to start?


    Am I Fit to Dive?

    Read this Medical questionnaire,if you can answer yes to any of the questions, you may require medical clearance to enroll on a diving course. Email us if you want more information.


    25,000 Baht 

    Includes All equipment*, course materials and certification on successful completion.

    Note * At this level divers are expected to have a primary mask, computer, and wrist slates. These items can also be rented for the entire course at the minimal cost.

    Bespoke options:

    Big Blue Tech can tailor any combination of courses our customers require, with experienced instructors who offer exceptional training.

    Please contact us below with any questions.

    Get Started

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