Professional diving certifications Scuba Schools International








dive guide (dg)
divemaster (dm = dg + science of diving)
snorkel instructor
dive control specialist (dcs = dm + snorkel instr. + diving assistant instr.)
training specialist (ts = dcs + limited specialties instructor)
open water instructor (owi)
classified open water instructor
specialty instructor (si = owi + 2 specialties instr.)
advanced open water instructor (aowi = owi + 4 specialties)
divemaster instructor (dmi = aowi + online exam)
dive control specialist instructor
master instructor
instructor trainer
instructor certifier






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