The recreational specialty programs of IAHD are developed to gain more advanced understanding in a specific diving activity.
During a recreational specialty program normal compressed air is used as a breathing gas and a direct ascent to the surface is always possible.
The IAHD 'Multi-level deep diver' specialty course is developed to provide divers techniques to extend the 'no-decompression time' of a dive between 20 and 40 metres by using "multi-level diving techniques".
The IAHD specialty course 'Underwater Navigator' is developed to provide divers techniques on how to navigate, easily and safely, using both natural objects and compass techniques.
The IAHD specialty course 'Underwater Photographer' is developed to provide divers techniques on how to make the best underwater photo's possible.