The training for TL 1* takes place as part of the TL seminar part 1 (seminar duration 4 days) under the direct supervision of the training manager.
The prerequisite is the completed assistant training or an equivalent training, as well as a minimum age of 21 years. 200 dives must be completed.
A TL 1* is authorized for training acc. ISO 24802-1 (formerly EN 14413-1)
A key focus is in the area of training methodology. The practical goals of the 4**** are reviewed.
At the end of Part 1 of the seminar, an examination must be completed by an examination committee, which must include at least three other TL 3*** in addition to the training manager.