StSomewhere
Contributor
daniel f aleman:A jacket style BC is used in the open ocean:
3) Prone-trim position diving is not as important in the open water as it is in overhead. Open water divers use the semi-upright postion at almost all times when not advancing, much easier in a jacket.
daniel f aleman:1) We all dive prone and off the reef with our feet up, especially jacket wearers.
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