I. INTRODUCTION
Through advanced techniques, this course will instill a level of comfort and discipline allowing the instructor to conduct wreck courses with a greater margin of safety, productivity and enjoyment. This program includes penetration skills and techniques.
Depths shall not exceed the level in which the Instructor is trained and competent, but in no case shall the maximum depth in this program exceed 180 fsw /55 msw.
II. COURSE OBJECTIVES
The objective of this course is to train Instructors in the proper techniques, equipment requirements and hazards of teaching wreck diving.
Ill. QUALIFICATIONS OF GRADUATES
Upon successful completion of this course, Instructors may engage in wreck diving instruction so long as
1. The diving activities approximate those of training
2. The area of activities approximate those of training
3. Environmental conditions approximate those of training
IV. WHO MAY TEACH
Any active Advanced Wreck Diving Instructor Trainer may teach this course
V. INSTRUCTOR - INSTRUCTOR TRAINER RATIO
A. Classroom
Unlimited, so long as adequate facility, supplies and additional time are provided to insure comprehensive and complete training.
B. Open water
A maximum of 4 Instructors per TDI Instructor Trainer are allowed. The ratio should be reduced as required due to environmental or operational constraints.
VI. INSTRUCTOR CANDIDATES PRE-REQUISITES
A. Minimum of 21 years of age
B. Minimum certification as a TDI Decompression Procedures Diver, a TDI Advanced Wreck Diver and A TDI Advanced Nitrox Instructor or equivalent
C. Proof of 10 certified SDI Wreck Diver or equivalent
D. Proof of 200 logged dives with a minimum of 50 logged wreck dives, and 25 penetration wreck dives
VII. REQUIRED COURSE MINIMUMS
A. Classroom hours - 8
B. Open water Dives - 6 with a minimum accumulated bottom time of 100 minutes
VIII. REQUIRED EQUIPMENT
The following equipment is required for each student
A. Primary Cylinder(s)
1. Cylinder volume appropriate for the planned dive and candidate gas consumption rate
2. Dual outlet valve or manifold required
3. Labeled in accordance with TDI Standards
B. Travel or decompression cylinders as required by dive sites
C. Regulators
1. Primary and primary redundant required on all primary breathing cylinders
2. Submersible pressure gauges are required on primary cylinder(s)
3. A sufficient length hose for air sharing leading from a primary or from a primary redundant is required
D. Buoyancy Compensator(s) as appropriate for the open water environment
E. Depth gauge and automatic bottom timer and / or dive computer
F. Back-up Depth and Timing devices
Air decompression computers allowed for use as depth and
timing devices
H. Back-up light system adequate for the open water environment
I. Ascent reel with lift bag / surface marker buoy or up line
1. Adequate for the planned maximum depth
2. Minimum of 50 lb lift bag
J. Exposure Suit adequate for the open water environment
K. Line Cutting Device (2)
L. Underwater Slate
M. Reels
1. Primary penetration reel
2. Safety reel
N. Options that the instructor trainer may require
1. Submersible dive tables
2. Bail-out cylinder with regulator
3. Jon-line
4. Slate, compass, surface signaling device (flare, strobe, etc)
IX. REQUIRED SUBJECT AREAS
The following topics must be covered during this course. Instructor Trainers must use the current TDI Standards & Procedures Instructor Manual. In addition,
IT’s may use any text or materials they feel best presents these topics.
A Equipment Requirements
1. Redundant SCUBA
2. Lights
3. Reels
4. Tools
B. Procedures
1. Pre-dive
2. Pre-penetration
3. Exiting the confined space
C. Hazards of Wreck Diving
1. Disorientation
2. Reduced visibility
3. Entrapment
4. Entanglement
5. Environmental
6. Loss of gas supply
7. Line traps
8. Separated buddy teams
D. Penetration Lines
1. Types
2. Proper use
E. Research and Locating
1. Local regulations
2. Sources of information
3. Tools
4. Surveying
F. Contingency Planning
1. Chamber locations and evacuation
2. Communications
3. Emergency gases
X. REQUIRED OPEN WATER SKILLS
The following skills must be completed by the Instructor candidate (all dives should be conducted with a maximum depth no deeper than the skill level of the instructor candidate)
A. Properly analyze all gas mixtures to be used
B. Demonstrate adequate pre-dive planning
1. Limits based on personal and team gas consumption
2. Limits based on oxygen exposures at planned depths with actual mixes
3. Limits based on nitrogen absorption at planned depth with actual mixes.
C. Properly execute the planned dive within all pre-determined limits
D. Demonstrate the proper navigational techniques for the specific dive
E. Demonstrate an out of air sharing with a sufficient length hose through a restriction.
F. Demonstrate the proper procedures for switching and isolating a malfunctioning regulator.
G. Demonstrate the proper techniques for locating a lost penetration line
H. Deployment of a lift bag or an up-line for decompression
I. Silt-out procedures (if applicable)
XI. GRADUATION REQUIREMENTS
In order to complete this course, Instructors candidates must
A. Demonstrate mature, sound judgment concerning training, dive planning and execution
B. Complete all open water requirements safely and efficiently
C. Demonstrate proficiency in teaching the TDI Advanced Wreck Diver Program
XII. SUPPORT MATERIALS
A. TDI Instruction Registration
B. TDI Standards & Procedures Instructor Manual