
Technical diving skills can be improved by being familiar with your gear. This will make it easy to locate the equipment you need in an emergency. This is a great way to practice using backup equipment. Even though you shouldn’t dive with your backup gear, it is a good idea to practice using it whenever necessary. This will make sure you always have backup equipment in case anything goes wrong.
TDI
Technical divers must be knowledgeable about dive computer settings and gas blends. Technical divers must know how to calculate the number decompression stop needed to make a super multilevel diving experience.

NAUI
The NAUI technical diver skills course takes 20 hours and teaches advanced diving skills. It also includes advanced lifesaving, rescue, or contingency procedures. For this course to be offered, students need to have advanced certification as a diver or an equivalent. It also requires a minimum age and pre-requisites.
GUE
GUE technical divers skills certification includes the ability to perform rescue operations and technical dive operations. These skills include the ability switch regulators and valves underwater, manage an unconscious diver, and use GUE equipment within the water. Additionally, divers must be able to demonstrate open water skills. This includes ascent and descend. 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
IANTD Technical Divers goes beyond recreational diving. It adds a whole new level to safety and confidence to your diving experience. It also teaches its students how rebreathers work, which can have cutting-edge advantages like longer bottom times, better decompression, and more.
DSAT
In the early 2000s, DSAT TecRec was created to teach technical diving skills. These courses have consistently produced highly qualified technical divers. It uses state-of-the art training materials and has a logical, integrated course flow. The modules allow students to learn at their own pace.

PADI
You can sign up for a PADI technical diver skills course if diving is your passion. PADI Tec courses include everything you need to know about planning and using decompression equipment. 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.