dbnewton
Contributor
Its been quite a few years since I dove inside the park. But it wasn't required last time I did.
I didn't read carefully and thought you were asking about Slagbai park, but you asked about STINAPA.
So I looked at their rules here: Diving
And that would indicate that SMB is at least recommended but its unclear what is required and what is recommended.
Since I've never seen divers using SMB I looked deeper at the source law here: