[max-peck]

Right I think I have the clarity thing figured out

Here is the FOTRS scene DAT



Which gives the following result



The following is from my tweaked TMO install

Dat



Giving a result of



The difference is in EnvData/Underwater/Fog/Zmin and Zmax, which seem to affect the underwater vision distance

The upshot of which was that I got buzzed by a couple of IJN/IJA aircraft whilst at PD when they came close enough

Should up the pucker factor

PS - as I said - law of unintended consequences, we do not know how this may affect IJN destroyers

EDIT
I can upload this new Scene Dat to the Google Drive if anybody fancies giving it a go!