[PSUBS-MAILIST] PSUBS launches SUBNOTE

[Alec Smyth via Personal_Submersibles]

Jon, that's super useful, thanks. I have a very basic question. D'you know
the criteria for when bodies of water in the US are subject to CG
jurisdiction?

On Fri, Feb 20, 2026 at 10:18 PM Jon Wallace via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> To all members:
>
> Today, I am announcing the launch of SUBNOTE, a formal “Notice to
> Submariners” system for submersible operators.
>
> SUBNOTE is analogous to NOTAMs in aviation and provides advance
> notification of local restrictions, required approvals, and safety
> considerations—essentially anything that helps operators plan dives
> responsibly and safely.
>
> SUBNOTE exists to give the submersible community a reliable, centralized
> source of information. By maintaining a single repository, we reduce
> reliance on word-of-mouth, prevent misunderstandings, and ensure that
> members have accurate, up-to-date information. The system also allows PSUBS
> to track trends, identify emerging issues, and advocate effectively to
> protect access and preserve the integrity of the hobby.  Additionally,
> familiarity with SUBNOTE helps members protect the hobby, preserve access
> to dive sites, and ensure that authorities have the information they need
> to respond effectively in an emergency.
>
> While our current SUBNOTE library provides guidance for U.S. waters, the
> system is intended for use by members worldwide and may include operational
> considerations in any other geographical jurisdiction as appropriate.
>
> Please help us keep SUBNOTE effective and up to date.  If you encounter
> any operational restrictions, approval requirements, or other issues that
> could benefit fellow submariners, please report them to PSUBS promptly.
> Your observations will allow us to create accurate SUBNOTEs, ensuring that
> all members have reliable information and that the community can continue
> to operate safely and responsibly.
>
>
>
> SUBNOTE can be accessed at http://www.psubs.org/diveops/subnote/
>
>
> Jon_______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
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