The student must be a minimum of 18 years of age

The student must hold a minimum certification of TDI Advanced Nitrox and TDI Decompression Procedures or equivalent.

Proof of 100 open water dives outside of training.

Bottom Mix Cylinders:
- Cylinder volume appropriate to complete all planned decompression on bottom mix
- Double manifold or independent doubles.

Decompression Mix Cylinders:
- Cylinder volume should contain a minimum of 1.5 times the gas required for the planned decompression.

Suit Inflation Cylinder (required for dry suit divers only).

Regulators:
- Primary and primary redundant required on all bottom mix cylinders.
- Submersible pressure gauges are required on all primary/bottom mix cylinders.

- A contingency use long hose second stage should be designated and appropriately rigged to facilitate air sharing at depth if necessary.
- It is strongly recommended that three (3) required regulators be all DIN or all yoke.

Buoyancy Compensator(s) adequate for equipment configuration

Redundant Depth and Timing Devices (Air decompression computers allowed for use as depth and timing devices, provided they have a gauge mode)

Redundant Light System if required by site.

Ascent Reel with Lift Bag/Surface Marker Buoy:
- Adequate for maximum planned depth.
- Minimum of twenty three (23) kg / fifty (50) lb. lift bag

Exposure suit adequate for the open water environment.
Line Cutting Device.
Underwater Slate

NOTE: because of the diver specific nature of the required equipment for this course prospective students should contact “The” Dive Shop and arrange to meet with the instructor and a member of the sales team

TDI Extended Range/Entry Level Trimix Manual

Note: the instructor may require additional texts at his or her discretion

Minimum 8 hours of classroom work

4 - 8 decompression dives with a minimum bottom time of 100 minutes

NOTE: because travel will be required for this course, it is important that the student plan sufficient time to get to and from the dive sites

“The” Dive Shop classroom

Multiple open water sites including the St Lawrence Seaway, North Florida, and Pensacola. Instructors will work with students to find a location with appropriate depth.

$1400 Tuition

$30 Certification and Registration

$32 Text

NOTE: travel is required for this course, travel costs are not included, your instructor will work with you to determine locations and costs

Because of the demanding nature of technical diving it is recommended that students contact their instructor ahead of time to discuss their goals and reasons for taking the course. Ask the staff at “The” Dive Shop to put you in touch with an instructor.