International Diving Institute
MIXED GAS SURFACE SUPPLIED DIVING
Online USA
Certificate
DURATION
LANGUAGES
English
PACE
APPLICATION DEADLINE
EARLIEST START DATE
Sep 2026
STUDY FORMAT
On-Campus
Key Summary
Training for underwater construction jobs performing inspection, installation, maintenance, and recovery as an Air/Mixed Gas Surface Supplied Diver, including both topside and underwater wet welding training.
The International Diving Institute offers a 16 week, 640-hour comprehensive program which covers the training you need to work as a commercial diver and underwater welder. At IDI, we focus on the quality and safety of the training we give our students. We keep our class sizes small to allow for more direct interaction between students and instructors.
































