but after a full water landing (and taxi) and takeoff on Lake Wanaka, viewed from the bubble,
Ahhh yes that Cat was one of the first ones I ever flew in the mid sixties, it belonged to Austin Airways and was registered CF-JCV.
Was it the left hand bubble? because on a trip into the Arctic a young eager school teacher gave me a very memorable treat in the left hand bubble, the other pilot wondered why I was gone so long.