Duration 3 days (1 day ashore, 2 days on the boat) including theoretical and practical emergency management training, resuscitation, effective first aid, accident management, stress detection and self-rescue. Minimum requirement is AOWD or equivalent, first aid certificate, max. 2 years old, recommendation: at least 40 dives, age from 18 years. Mostly it is a one-to-one course (1:1) and can only be carried out at short notice after availability of a diving instructor.