
It's essential to know your equipment so you can improve your technical diving skills. This will allow you to quickly find it in case of a problem. It also helps to practice using your backup equipment. While you shouldn't dive with your backup equipment, you should practice using it when necessary. You will have an extra set in case of emergency.
TDI
Technical divers should be able to use a decompression device. Technical divers must know how to calculate the number decompression stop needed to make a super multilevel diving experience.

NAUI
The NAUI technical diving skills course requires 20 hours of classroom time and emphasizes advanced diving skills and techniques. It also emphasizes advanced lifesaving and rescue techniques, as well as contingency planning. Students must have an Advanced Scuba Diver certification or equivalent certification to enroll in the course. You must also meet the pre-requisites and age requirements.
GUE
GUE technical diving skills certification allows you to perform rescue and technical diving operations. These skills include the ability control an unconscious diver underwater. Divers must also be competent in open water skills. During the course, scuba divers are also required to swim at least 500 yards (450 meters) on one breath hold, demonstrate basic equipment proficiency, and recognize their diving limits.
IANTD
The IANTD Technical Diver Program goes beyond recreational diving. It brings a whole new level in safety and comfort to the diving experience. Among other things, it trains its students to use rebreathers, which have cutting-edge benefits, such as extended bottom times and better decompression.
DSAT
The DSAT TecRec range of technical diving skills courses was first developed in the early 2000s. They have produced high-quality technical divers. It uses the latest training materials and follows a logically integrated course structure. All the training levels cover everything from basic to advanced, and the modular approach lets students progress at their own pace and gain experience at each level.

PADI
A PADI technical diving skills training course is a great way to learn if you love diving. PADI Tec courses cover everything from planning your dives to using decompression software. You'll be able dive to depths as high as 50m (165ft), and you'll also learn how a desk-top decompression tool program works. There are several different levels of this course, and the goal is to become a professional technical diver.