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Texas Scuba Academy
TDI Intro to Tech
Advanced certifiedTDI Certified

TDI Intro to Tech

Your first step into technical diving: redundant gear, precise trim and buoyancy, silt-free kicks, real gas planning and team procedures. No decompression, no overhead.

$499.00Enrollment Open
Have questions? Call (512) 489-4404
  • ✓eLearning access as soon as you check out
  • ✓We reach out within 24 hours to schedule your sessions
Taught by Brady Huddleston
SDI Course Director & Instructor Trainer · PADI IDC Staff Instructor · American Red Cross Instructor
Meet the team

What's included

✓TDI eLearning and digital course materials
✓Personal instruction from a certified TDI Intro to Tech Instructor
✓Gear configuration and land-drill session, plus three open water training dives
✓Lifetime TDI certification, recognized worldwide
✓Flexible scheduling — we handle the lake location

What's not included

Paid separately — these go to the training agency or another third party, not to us.

✕Technical dive equipment — bring your own, or ask us about rental for the course
“Best decision I made. The instructors were patient, the small class size meant real attention, and I booked everything online without a single phone call.”
— Recent Open Water graduate

Who it's for

This course builds on prior certification and experience — here's what you'll need before you start.

✓
SDI Open Water Scuba Diver or equivalentAny recognized entry-level certification
✓
25 logged open water divesBring your logbook — proof is a TDI requirement
✓
Minimum age 18, or 15 with parental consentAges 15–17 need a parent or guardian signature

What you'll learn

Knowledge Development

✓Pressure review, ascent and descent rates
✓Hypothermia, hyperthermia and the mental side of technical diving
✓Equipment options: single or double cylinders and valves, regulators, harness and wing, computers and bottom timers, reels, spools, SMBs and lift bags
✓Minimum equipment, streamlining and stowing
✓Dive planning with tables or a computer
✓Surface air consumption (SAC) and minimum gas reserve calculations
✓Entry, exit, ascent, descent and gas-failure strategies

In-Water Skills

✓Equipment selection, preparation and gas matching with your team
✓The S.T.A.R.T. pre-dive sequence before every dive
✓Weight check, motionless hover and horizontal trim
✓Frog, modified frog, modified flutter and back kicks
✓Regulator exchange and recovery while holding trim
✓Mask flood, removal and clear with minimal air loss
✓S-drill gas sharing in mid-water
✓Valve drill when diving doubles
✓Surface marker buoy or lift bag deployment in trim
✓Situational awareness on every dive

Frequently asked questions

Not required. Intro to Tech can be taught on a technical single-cylinder rig or on doubles. If you dive doubles you will also complete the valve drill. We will help you choose the configuration that fits where you want to go next.

Simple process

How it works

💻

eLearning at home

Complete the academic portion online at your own pace — videos, quizzes, no classroom required.

🌊

Open water dives at the lake

Skills and dives happen at a local dive site — we bring the gear and schedule around your availability.

🎓

Get certified

Finish your dives and we issue your certification — card in hand, recognized worldwide.

Ready?

Ready to get in the water?

Book online in minutes. eLearning starts instantly. We reach out within 24 hours to schedule.

Call (512) 489-4404