Is SCUBA Diving in need of Equipment Standardization and Regulation?

My background is in aviation. I have been a pilot, technician, inspector, trainer, instructor and manager. One thing I know after 14 years doing this flying thing is that standardization is the life of the industry. It has lead to sharp decreases in accidents made flying easier and more accessible to the general public. Why cant this be so for SCUBA and more importantly, why hasn't it been implemented yet?

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I have recently had the revelation that all of SCUBA should follow a standardized system for equipment and training. This would be a huge benefit to the industry in many ways. Lets take a look at how this could work.

First, standardized equipment would allow for the newbie coming into the sport to feel that they are not getting taken with extraneous "stuff" for the sake of a bigger sale. This was my initiation into the sport and should not be for anyone else if I can help it.

Next is safety. If all gear is the same, in the same place, and looks the same, then we all could rest assured that what we will need in an emergency will be where we expect it when the time comes to find it. Simple concepts with huge ramifications.