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Originally posted 2018-03-07 23:57:15. Course Report: RAID Tech Instructor Cross-Over by Andy Davis Early in 2017, I made a decision to cross-over my scuba diving instructor rating to RAID. Having already taught for PADI, BSAC, SSI and ANDI over the last 15 years, I was initially hesitant to rush towards another agency at the drop of […]