TDI Advanced Wreck Diver

Benefits or Features

Why do you want to do this training?

Technical Description

This course provides training and experience to competently conduct advanced wreck dives. This program  includes penetration skills and techniques. Depths shall not exceed the level in which the diver is trained and competent, but in no case shall the maximum depth in this program exceed 55 metres / 180 feet. The objective of this course is to train divers in the proper techniques, equipment requirements and hazards of wreck diving.

What will I be learning

The following land drills must be covered
1. Guideline Use
2. Guideline Following
3. Emergency Procedures

The following topics must be covered during this course.
1. Equipment Considerations
2. Procedures
3. Hazards of Wreck Diving and Overhead Environments
4. Penetration Lines
5. Research and Locating
6. Contingency Planning

Before I start

1. Minimum age 18
2. Certified as an SDI Advanced Open Water Diver or equivalent
3. Provide proof of a minimum of 50 logged dives
4. Be certified as TDI Basic Wreck or Cavern Diver or equivalent

What do I need

The following equipment is required for each student
1. Primary cylinder(s)

  • Cylinder volume appropriate for the planned dive and student gas consumption rate
  • Dual valve, double manifold or independent doubles
  • Labeled in accordance with TDI Standards

2. Travel or decompression cylinders as required by site conditions

3. Regulators

  • Primary and primary redundant required on all primary breathing cylinders
  • Submersible pressure gauges are required on all primary cylinder(s)
  • A contingency use long hose second stage should be designated and appropriately rigged to facilitate air sharing at depth if necessary

4. Buoyancy compensator device(s) (BCD) adequate for the open water environment

5. Back-up depth and timing devices

6. Air decompression computers allowed for use as depth and timing devices

7. Light Systems

  • Primary
  • Back-up

8. Ascent reel with lift bag/surface marker buoy or up-line

  • Adequate for the planned maximum depth
  • Minimum of 12 kg / 25lb lift

9. Exposure suit adequate for the open water environment

10. Two line cutting devices

11. Underwater slate

12. Reels

  • Primary penetration reel
  • Safety reel

13. Options that the instructor may require

  • Submersible dive tables
  • Bail-out cylinder with regulator
  • Jon-line
  • Slate, compass, surface signaling device (flare, strobe, etc.)

What will I be doing

Open Water Execution
1. Six penetration / overhead dives and an accumulated bottom time of 100 minutes.
2. Only 2 dives from the TDI Advanced Wreck course may be credited towards the total dives required for TDI Advanced Nitrox, Decompression Procedures, Extended Range or Entry Level Trimix Course Structure

TDI Advanced Wreck Diver