Supervised diver specifies the training and certification for recreational scuba divers in international standard ISO 24801-1 [1] and the equivalent European Standard EN 14153-1. Various diving organizations offer diving training that meets the requirements of the Supervised Diver. A diving certification which corresponds to the Supervised Diver allows for recreational diving under the direct supervision of a divemaster or recreational diving instructor in open water. Most diving organizations recommend not to exceed a diving depth of 10 to 12 metres. After the successful completion of a training equivalent to the Supervised diver, training can be extended to the Autonomous diver certification level (according to ISO 24801-2).
Before initial diver training and thereafter at regular intervals, a diver should undergo a fitness to dive examination by a diving doctor. In some countries, such an examination is required by law and is a prerequisite for any training in many diving schools.
In some parts of the world there is minimum requirement which corresponds to the Autonomous Diver certification and an in-date medical certificate for hiring diving equipment and taking part in recreational diving. In these places a certificate which only corresponds to the Supervised Diver is regarded as insufficient.