When one tank is not enough, PADI TecRec Courses
Technical Diver
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DISCOVER TEC
You will get a feel for the special gear fits you and solve your curiosity about tec diving.
TEC SIDEMOUNT
It is a mandatory course for divers who want to take Technical Courses with sidemount equipment, instead of backmount.
TEC 40
As the introductory course of Tec Deep Diver Program, you will learn the proper rigging and set up about tec gear and decompression diving.
TEC 45
It is the highlight of the full PADI Tec Deep Diver Program! You'll extend your depth limit to 45 meters and learn almost every tec diving skills.
TEC 50
During this course, you will enrich your team diving techniques and experience 50 meters depth diving expeditions.
Who should take these courses?
Curious about technical diving, but not sure about jumping into a course? NB Divers distribute technical diving education into following three courses: Discover Tec, Tec Sidemount, and Tec Deep. Give technical diving a try in confined water and then choose what interests you the most.
You will learn from a few basic tec skills to interesting techniques such as primary to secondary regulator switch and gas shutdown procedures.
Recommend to :
- Divers who long for adventures
- Divers who put safety and procedure first
- Divers who want to dive as team
Diver Prerequisites :
- Certified as a PADI Open Water Diver
- Age 18 or older
- A minimum of 10 logged dives
- Recommend to PADI Divemaster or upper levels
Training Period : Discover Tec – 1 DAY / TEC Sidemount – 4 DAYS / TEC 40/45/50 – 4 DAYS each
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What will you learn?
Discover Tec : Learn the equipment you’ll use and go over basic tec diving procedures, such as the importance of diving in teams. (You can get a credit toward the Tec 40 Training Dive One.)
Tec Sidemount : Learn about the advantages of diving with a sidemount configuration, how to set up a tec sidemount harness and how to handle with four and more sidemounted cylinders underwater.
Tec 40 : It consists of three knowledge development sections, three practical application sessions and four training dives. You’ll learn about:
- Technical diving’s risks and responsibilities
- Technical diving equipment, proper rigging and set up
- Gas planning, oxygen limits and decompression planning
- Team diving techniques and emergency procedures, such as dealing with free flows, manifold leaks and out of gas situations
Tec 45 : You focus on the function and maintenance of tec diving equipment and associated issues. You continue fine-tuning gas planning and calculating accelerated decompression stops. Plus, you learn to think like a technical diver.
Tec 50 : A primary focus of this course is mission planning and execution. You also learn more about handling emergencies and how to actually enjoy the expedition!
How can you start learning now?
NB Divers provides various courses depending on each diver’s preference. We recommend the following procedures:
1. IF you choose the sidemount system;
Basic Sidemount Open Water Sidemount Advanced Sidemount Tec Sidemount Tec 40/45/502. IF you choose the backmount system;
Discover Tec Tec 40/45/503. IF you are already a tec diver, yet want to learn the sidemount system;
Tec Sidemount -

Equipment
You need the basic technical diving equipment, including but not limited to – two tanks, primary and backup regulators, and technical diving BCD and harness or sidemount harness. Plus, you also need a primary dive light and backup light, a backup mask, a decompression software computer and bottom timer, wet note, cutting device, SMB, etc.
Sample Schedule
General Schedule of Tec 40/45/50 courses
DAY 1 Confined Water Dive & Knowledge section PART 1
DAY 2 Confined Water Dive & Knowledge section PART 2
DAY 3 Open Water Dives #1~2
DAY 4 Open Water Dives #3~4Next Step
First, sign up for the Discover Tec course. And then:
- Visit the PADI TecRec Blog
- Download a Medical Statement and Questionnaire (pdf)
- Download a PADI Standard Safe Technical Diving Practices Statement of Understanding
- Check the FAQ
- Read the NB Divers' Course and Tour Reviews
Course Price
Discover Tec : ₩150,000 (1 DAY)
Tec Sidemount : ₩600,000 (4 DAYS)
Tec 40/45/50 : ₩600,000 each (4 DAYS each)