
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. It is important to practice using your backup equipment when you need it. This will ensure that you have a backup set of equipment in case something goes wrong.
TDI
Technical divers should be able to use a decompression device. Technical divers need to know how to calculate the decompression stops required for a super multilevel dive.

NAUI
The NAUI technical divership skills course requires 20 hours classroom time. It focuses on advanced dive skills and techniques. It also emphasizes advanced lifesaving and rescue techniques, as well as contingency planning. For students to enroll in this course, they must have advanced scuba diver certification or an equivalent. Prerequisites and a minimum age are also required.
GUE
The GUE technical diving skills certification includes skills to perform rescue and technical dive operations. These skills include the ability to properly manage an unconscious diver underwater, switch regulators and valves, and use GUE equipment in the water. Divers must also be competent in open water skills. 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
In the early 2000s, DSAT TecRec was created to teach technical diving skills. These courses consistently produce highly skilled technical divers. The training method includes the most up-to-date training materials and an integrated, logical course flow. Students can learn at their own pace, with the flexibility to progress at any level.

PADI
You can take a PADI technical dive skills course if you are passionate about diving. PADI Tec courses teach you everything, from how to plan your dives to how to use decompression software. You will learn to dive to depths up 50m (165ft), with little to no decompression, and how to use a desktop decompression program. This course has several levels. The goal is to be a professional technical diver.