• SafeAir Nitrox Programs
    SafeAir Nitrox Programs ANDI pioneered the safe application of Optimal Breathing Gas Technology
  • Open Water Diver Programs
    Open Water Diver Programs ANDI Recreational Diver Training from Scuba Experience to Master Instructor
  • Technical and Exploration
    Technical and Exploration ANDI Technical, SafeAir Nitrox, Trimix and Overhead Environment Training Programs
  • Silent Diving Rebreathers
    Silent Diving Rebreathers ANDI Closed Circiut and sCCR Rebreather Programs from Intro to Deep Exploration
  • Dive Medic and Hyperbarics
    Dive Medic and Hyperbarics ANDI Oxygen Administration, Hyperbaric Operator and Diving Medicine Programs
  • Gas Blender and Technician
    Gas Blender and Technician ANDI Gas Blending, Service and Equipment Technician Programs
  • Instructor and Leadership Certifications
    Instructor and Leadership Certifications ANDI Instructor, Instructor Trainer and Director for Recreational, Mixed Gas, Deep Exploration and Hyperbaric Programs

General Provisions of ANDI Certification Ratings

ANDI training programs are categorized by subject matter, rating and level. 

Certification on any subject will be further defined by rating and level.

The subject matter refers to the course or specialty in question.  For example, Openwater, SafeAir®, Technical or Dive Medic are subjects.

•    Rating refers to the type of certification. 

User ratings are for those who have completed courses of study for themselves personally.

Divemaster ratings are for those who supervise Users of particular subjects.

Instructor ratings may teach non-users to become users on specific subjects

Instructor Trainer ratings may train Instructors on specific subjects.

•    Level refers to the degree of training and experience they have amassed.  The rating levels only pertain to diver related courses.  Non-diving courses have no designated Level.

Level I - Entry level, no previous experience required.  Considered entry level, introductory or recreational.
Level II - Advanced Recreational
Level III - First Technical Level.  Decompression theory and practical application is a required aspect.
Level IV - Advanced Technical.  More experience and equipment utilized.
Level V - Deeper and or longer diving utilizing other mixtures of gases than Oxygen and Nitrogen (i.e. Helium).

Announcing new Regional Headquarters for China-Hong Kong-Philippines

ANDI would like to welcome its newest regional headquarters servicing China, Hong Kong and Philippines


Address : No.40 Liangmaqiao Road, Chaoyang district, Beijing, China,102209

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Phone: +86 186-0139-7908


Li Hui

Haden Ning

ANDI China-Hong Kong-Philippines

 China Homepage http://andichina.com.cn

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