What are the educational qualifications of deep sea diving?

Answer 1

"Deep" diving is diving farther than 120'. Though there are no educational qualifications per se, there are a number of certifications needed to do it safely.

Certifications differ from agency to agency, but usually include:

-Scuba diver

-Advanced scuba diver, with deep dive training

-Mixed gas diving

-Multi-stage decompression diving

-Diver rescue

Specialized equipment includes:

-Dry suit

-Breathing gas mixtures such as trimix, heliox, etc (some use pure oxygen for decompression

-Dive and decompression computers

-Powerful underwater flashlights

-More stuff I can't remember.