TDI Divemaster Course

Lead divers where few ever go.

TDI Divemaster Course

TDI Advanced Wreck Diver course briefing

Step up from recreational leadership to technical diving mastery.

The TDI Divemaster Course with Frontier Tech Divers takes your SDI Divemaster foundation into advanced dive planning, gas management, and team supervision for demanding environments.

You’ll learn to assist instructors and technical students during real-world deep and decompression training, as well as guide technical divers.

The training is the essential bridge to becoming a Technical Instructor.

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Extend Your Limits - Professionally and Technically

Every SDI Divemaster and Instructor will benefit from this demanding program that hones precision, discipline, and control under pressure. The TDI Technical Divemaster Course builds advanced problem-solving, gas planning, and team management skills—elevating your leadership far beyond recreational limits into true professional mastery. You will certified to the level of your technical diver training

TDI Trimix Diver course

Complex Dive Planning – Learn to coordinate gas mixes, stages, and decompression profiles.

Decompression Management – Understand gradient factors and real-time team protocols.

TDI Advanced Nitrox And Decompression Procedures course

Tech Team Leadership – Assist and supervise multiple divers in challenging conditions.

Next Step to Instructor – Prepare for TDI Technical Instructor certifications.

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COURSE PATHWAY & REQUIREMENTS

Your Pathway to Technical Leadership

Prerequisites

  • Certified SDI Divemaster
    • please note that DM ratings from other agencies are NOT accepted for this level
  • Certified as a technical diver
  • Current First Aid & Cpr and Oxygen Provider certifications [within past 24 months]
  • Minimum 60 logged dives, including tech experience after certification
  • Medical clearance

Duration & format

  • Minimum 1 week depending on proficiency
  • Theory workshops, confined skill sessions, open water scenarios
  • Real-assist opportunities during technical classes and guiding

Whats included

  • Instructor mentorship
  • Course materials & certification fees
  • Equipment configuration review
  • Gas logistics & dive planning sessions

Extras: Rental gear, O2, He and nitrox fills.

WHY TRAIN WITH FRONTIER TECH DIVERS

Train where experience runs deep
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Led by Rick Kirkham. A TDI Instructor Trainer with 25 years technical expedition background

  • Led by TDI Instructor Trainers with expedition backgrounds

  • Practical leadership in real decompression and mixed-gas dives

  • Access to world-class deep sites around Bohol and by arrangement, wrecks in Coron Bay and Subic Bay

  • Full support for equipment setup, gases, and logistics

  • Pathway to TDI Technical Instructor from TDI Sidemount Instructor and  TDI Advanced Nitrox & Decompression Procedures 

Lead Beyond the Limits

Your next level of professional mastery begins here.
Advance your diving, lead technical teams, and inspire confidence where precision counts most —
with Frontier Tech Divers.

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Equipment Requirements

As a TDI Divemaster you must have your own equipment.

what to bring

Bring your tech gear and at least one dive computer and one bottom timer

  • primary regs
  • backplate / sidemount rigging
  • wing
  • deco regs.
  • dive computer
  • back up bottom timer / computer
  • SMB & spool
  • 2 cutting devices
  • student manuals from your diver level training
  • Basic dive gear – fins/mask/wetsuit/boots, wrist slate &/or wet notes