I often have a stab at images referred to SeSco in the hope that they might lead to something more relevant.
It's rare nowadays, but one such 'stab' led to this view of the seaplane base on Battery Park, Greenock, which was RAF Greenock.
Quite a pic, given how rare these are:
Seaplane base now long gone.
by Fred J Carss
, on Flickr