Consists of two knowledge development segments, one practical application and two no stop dives. Designed for divers who want to get experience and develop skills with tec dive equipment configurations while focusing on their buoyancy and trim. This course is also useful for technical divers who may need a refresher or an orientation to a new dive equipment configuration.

Tec Basics is a multi-use course that focuses on orientation to new dive equipment, technical diving skills, and techniques. It is an optional level that can help divers explore new equipment configurations and refine their foundational skills before moving on to Tec 40 Diver.