Class Dates
Open Classes
| Title | Location | City | Start Date | End Date | Instructor | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-03-02 | 2012-03-04 | Helmut Spangler | Details |
| Exploration Diver Level I | Switzerland | Horgen | 2012-03-14 | 2012-03-18 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Denmark | Aalborg | 2012-03-23 | 2012-03-25 | Darmer Morten Dall | Details |
| Basics of Exploration Extended (BoE+) | Denmark | Aalborg | 2012-03-23 | 2012-03-26 | Darmer Morten Dall | Details |
| Gas Blender | Switzerland | Horgen | 2012-03-31 | 2012-03-31 | Helmut Spangler | Details |
| Cave Explorer Level I | Italy | Cala Gonone | 2012-04-05 | 2012-04-09 | Helmut Spangler | Details |
| Wreck Explorer Level I | Germany | Baltic Sea | 2012-04-10 | 2012-04-15 | Achim Schlöffel | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-04-13 | 2012-04-15 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Germany | Steina bei Dresden | 2012-04-19 | 2012-04-21 | Rasmus Bartelt | Details |
| Basics of Exploration Extended (BoE+) | Germany | Steina bei Dresden | 2012-04-19 | 2012-04-22 | Rasmus Bartelt | Details |
| Exploration Diver Level II | Italy | Portofino | 2012-04-25 | 2012-04-29 | Achim Schlöffel | Details |
| Cave Explorer Level I | Italy | Cala Gonone | 2012-05-17 | 2012-05-21 | Achim Schlöffel | Details |
| Exploration Diver Level I | Croatia | Rogoznica | 2012-05-24 | 2012-05-30 | Helmut Spangler | Details |
| Gas Blender | Switzerland | Horgen | 2012-06-09 | 2012-06-09 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-06-29 | 2012-07-01 | Helmut Spangler | Details |
| Exploration Diver Level I | Switzerland | Horgen | 2012-07-11 | 2012-07-15 | Helmut Spangler | Details |
| Gas Blender | Switzerland | Horgen | 2012-08-11 | 2012-08-12 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-08-31 | 2012-09-02 | Helmut Spangler | Details |
| Exploration Diver Level I | Switzerland | Horgen | 2012-09-05 | 2012-09-09 | Helmut Spangler | Details |
| Exploration Diver Level I | Croatia | Rogoznica | 2012-09-29 | 2012-10-03 | Helmut Spangler | Details |
| Cave Explorer Level II | Italy | Cala Gonone | 2012-10-03 | 2012-10-10 | Achim Schlöffel | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-10-12 | 2012-10-14 | Helmut Spangler | Details |
| Exploration Diver Level I | Italy | Loano | 2012-10-18 | 2012-10-22 | Helmut Spangler | Details |
| Gas Blender | Switzerland | Horgen | 2012-11-03 | 2012-11-03 | Helmut Spangler | Details |
| Wreck Explorer Level I | Egypt | Brothers / Liveaboard | 2012-11-15 | 2012-11-22 | Achim Schlöffel | Details |
| Gas Blender | Switzerland | Horgen | 2012-12-08 | 2012-12-08 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-12-14 | 2012-12-16 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2021-05-11 | 2012-05-13 | Helmut Spangler | Details |
Closed/Performed Classes
| Title | Location | City | Start Date | End Date | Instructor | Details |
| Exploration Diver Level I | Switzerland | Horgen | 2012-01-11 | 2012-01-15 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | United Arab Emirates | Fujairah | 2012-01-08 | 2012-01-10 | GLENN CAMPBELL | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-01-06 | 2012-01-08 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | United Arab Emirates | Fujairah | 2012-01-04 | 2012-01-06 | GLENN CAMPBELL | Details |
| Oxygen Rebreather Diver | Switzerland | Horgen | 2011-12-29 | 2011-12-31 | Achim Schlöffel | Details |
| Exploration Diver Level I | Germany | Germany | 2011-12-19 | 2012-01-19 | Achim Schlöffel | Details |
| Basics of Exploration (BOE) | Germany | Walchensee | 2011-11-18 | 2011-11-20 | Achim Schlöffel | Details |
| Exploration Diver Level I | Switzerland | Horgen | 2011-11-05 | 2011-11-09 | Helmut Spangler | Details |
| Exploration Diver Level I | Italy | Milford Haven | 2011-11-03 | 2011-11-06 | Achim Schlöffel | Details |
| Basics of Exploration Extended (BoE+) | Switzerland | Horgen | 2011-10-28 | 2011-10-30 | Helmut Spangler | Details |
| Basics of Exploration Extended (BoE+) | Denmark | Fredericia | 2011-10-28 | 2011-10-31 | Darmer Morten Dall | Details |
| Basics of Exploration (BOE) | Denmark | Fredericia | 2011-10-28 | 2011-10-30 | Darmer Morten Dall | Details |
| Basics of Exploration (BOE) | Germany | Happurg | 2011-10-28 | 2011-10-30 | Uwe Kwieczinski | Details |
| Cave Explorer Level I | Italy | Sardinia | 2011-10-10 | 2011-10-16 | Achim Schlöffel | Details |
| Basics of Exploration (BOE) | Germany | Eschweiler | 2011-10-07 | 2011-10-11 | Maxim Vasiljev | Details |
| Cave Explorer Level I | Hungary | Budapest | 2011-10-01 | 2011-10-03 | Achim Schlöffel | Details |
| Basics of Exploration (BOE) | France | Gramat | 2011-09-27 | 2011-09-29 | Pascal Bernabé | Details |
| Basics of Exploration (BOE) | France | Gramat | 2011-09-24 | 2011-09-26 | Pascal Bernabé | Details |
| Basics of Exploration Extended (BoE+) | Italy | Portofino | 2011-09-13 | 2011-09-15 | Achim Schlöffel | Details |
| Basics of Exploration (BOE) | Germany | Walchensee | 2011-09-09 | 2011-09-11 | Uwe Kwieczinski | Details |
