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Technical Diving Cross Over Course

Want to move into Technical Diving but don't know where to start?

Technical Diving starts a whole new level of equipment, preparation, and skills that the standard recreation classes don't even come close to preparing you for.  Many students are considering starting their technical training but don't know where to begin.

Let HiTek Scuba get you started off on the right foot.  We've specifically developed this course for you...the recreational diver with lots of single tank, cold water, PNW diving experience, but have never taken a "Technical" training class.  THIS IS WHERE YOU START!!


If you've been around a while you've probably met the  pre-requisites by now, but just in case they are:

  • Deep Diver Specialty
  • Enriched Air Nitrox
  • Minimum of 50 Cold Water Dives
  • Own your own gear
  • You must be able to swim 100 yards in full gear
  • Good physical fitness (able to lift heavy gear)
  • A good attitude with a willingness to change the way you think about diving
  • A safety oriented attitude towards diving
  • A completed RSTC Medical form signed by your doctor within the last year.


This course is absolutely not for everyone.  Deciding to move in the direction of technical diving needs to be a well thought out decision.  It is definitely an increase in risk, and while we work hard to do a good job managing risks, technical diving is absolutely riskier than recreational diving.  Even if you do everything right, there is still a higher inherent possibility for an accident to occur leading to permanent injury or death.

It's possible that you're thinking hard about it but you need some questions answered first like:

  • What is the difference between Recreational and Technical Diving?
  • What makes Technical Diving greater risk than Recreational Diving?
  • What are the benefits of technical diving?
  • What are the disadvantages?
  • How much is this "new" thing going to cost me?
  • What kind of new equipment will I need? Why?
  • How much training will I need to start doing it?
  • Are my skills good enough now to start? How do I know?
  • What is different about emergency procedures between Technical and Recreational Diving?

HiTek staff will evaluate your skills

  • You MUST be able to maintain your position in the water column while doing other tasks.
  • You need to be comfortable underwater with or without out a mask.
  • You need to be able to swim close to the bottom without touching it.
  • You should be VERY comfortable manipulating multiple pieces of gear.
  • You MUST be able to stop your ascent in mid-water and stay at a given depth without difficulty.
  • You also need to have very solid self-rescue skills.  Situational thinking underwater is critical.

Topics include:

Technical Diving Risks and Responsibilities

What six general risks and hazards does technical diving present that either don't exist or are not as severe in recreational diving?
What risks do you face if you exceed the limits of your training and experience?
How could a lack of physical fitness affect you as a technical diver?
What are six characteristics of a responsible technical diver?

 "Standardized Technical Diving Rig" Overview

What is meant by "standardized technical rig"?
What guidelines apply to selecting mask, snorkel, fins for technical diving?
What characteristics should you look for in a cylinder valve or manifold that you'll need?
What about my regulators?  Can I still use them? What is a long hose?
What is the minimum number of fully independent regulators per diver, and how do you configure them?
Which pieces of gear need to be redundant?  When is it excessive?
What about my BCD can I still use it? What three characteristics should you look for in a BCD, and what five characteristics should you look for in a harness, that's used for technical diving?
What are "wings"?  What do I do about weight?
What about clips, pockets, accessories, what can I use? Why?
What are "danglies"?  How and why do I avoid them?


 Basic Knowledge Development

EAD review, how do you find it? What's it for?
Oxygen Partial Pressure review, what's the maximum used for tech diving? How do you find it for a specific depth and gas?
How do you find your Surface Air Consumption Rate?
What are your gas supply requirements for a given depth and time?  How do you find it?
How do you determine how much actual gas a given cylinder contains?
CNS review; What is it? What are signs/symptoms? What method do you use to manage it?

 Basic Techniques and Procedures

What general elements does a technical diving pre-dive check cover?
How do you determine the minimum weight needed for a technical dive?
What is the primary hazard of diving negatively buoyant, and how do you manage this hazard?
What is the primary hazard of excessive positive buoyancy, and how do you manage that hazard?
What are the emergency procedures for using the long hose second stage in handling an out of gas emergency?
What are the emergency procedures for a regulator free flow at depth?
What are the emergency procedures for a damaged manifold or first stage at depth?


Practice diving double cylinders with correct technique.  Practice using the standardized technical rig.  Practice rigging and staging deco/stage cylinders.  Learn and practice responding to emergency situations in a controlled and safe environment.

Course Fee $450.00 includes technical diving manual and slates, advanced u/w communication chart, two classroom sessions, a practical application session, three very long dives over two full days, use of various twin cylinder sets (doubles), standardized technical rig rental, and gas fills during your class, use of stage/deco cylinders, and their gas fills during your class as well.  All Emergency equipment is provided and available for use (O2 kit, reels, lift bags, etc.)





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Copyright 2010 HiTek Scuba
Last modified: March 09, 2014