It's essential to know your equipment so you can improve your technical diving skills. This will make it easy to locate the equipment you need in an emergency. It's also helpful to practice using your backup equipment. Even though you shouldn’t dive with your backup gear, it is a good idea to practice using it whenever necessary. You will have an extra set in case of emergency.
TDI
Technical divers must be knowledgeable about dive computer settings and gas blends. Technical divers must be able calculate the number and order of decompression stops necessary to perform a multilevel dive.
NAUI
The NAUI technical diving skills class requires 20 hours of classroom instruction and focuses on advanced diving skills. It also covers advanced rescue, lifesaving, and contingency techniques. To enroll in the course, students must hold an Advanced Scuba Diver certification. Prerequisites and a minimum age are also required.
GUE
GUE technical divers skills certification includes the ability to perform rescue operations and technical dive operations. These skills include being able to manage an unconscious diver underwater, use regulators and valves, as well as using GUE equipment while in the water. Additionally, divers must be able to demonstrate open water skills. This includes ascent and descend. Scuba divers must also be able to swim 500 meters (450 m) in one breath, use basic equipment, and know their limits.
IANTD
The IANTD Technical Diver program goes beyond recreational diving and adds a whole new level of safety and confidence to the diving experience. It teaches its students how to use rebreathers which offer cutting-edge benefits such as longer bottom times and better compression.
DSAT
DSAT TecRec is a range of technical diving skill courses that was developed in the early 2000s. These courses have always produced highly-trained technical divers. The training method includes the most up-to-date training materials and an integrated, logical course flow. The modules allow students to learn at their own pace.
PADI
You can take a PADI technical dive skills course if you are passionate about diving. PADI Tec courses cover everything from planning your dives to using decompression software. Learn how to decompress at depths of up to 50m (165ft) and how to use a decompression software program. There are several levels in this course. The goal of the course is to become a professional technical diver.