Blackwood
Contributor
I've always wondered why there aren't wreck diving agencies and rigorous, standardized training courses like there are with cave diving. (I'm not talking about PADI wreck courses, I'm talking about real wreck diving courses.)
I think that wreck penetrations are far more dangerous and frightening than cave diving.
Look at the various cave diving agencies like GUE, NACD, NSS-CDS, PSAI. They all have standardized courses that emphasize gas management and guideline management. There is a progression of certifications (such as cavern > intro to cave > apprentice cave > full cave > stage diving > extended range, etc.). A retrospective look at cave diving deaths has shaped much of the cave diving community's approach to cave diving and certification.
But nothing like that exists in the wreck diving world. Granted, there are some instructors who can and do teach very rigorous wreck diving courses, but the entire process hasn't been standardized like in the cave diving world.
UTD Overhead Protocols -> UTD Wreck 1 -> UTD Wreck 2 (-> UTD Wreck 3)
The UTD structure is somewhat analogous.
Overhead Protocol focuses on line work, blind work (touch contact), etc. but in a non-overhead environment (similar to my understanding of cavern).
Then you move into an actual overhead, but with fairly strict limits: one 400 foot reel, or thirds less rock bottom, or 60CF penetration gas, or MDL, whichever is the constraining factor (similar to my understanding of Intro).
Then you move into deeper wrecks (deco) with longer penetrations (similar to my understanding of Full).
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