Hi, I solved the issue by moving the "FlyTampa-Sydney_LC" down to lower priority in the scenery library.
In the concrete, below the ORBX landclasses (above bathymery). It works.

Solved!
I made a clean re-install and it works.
There must have been something wrong during the first install.

I am sorry, my fault.
Jan

Installed correctly at the very beginning...

Hello, I have installed the P3D V4 YSSY, and have problems with overall flickering textures. The main issue is with: 1) the black stains flickering in the middle of RWY 34L 2) the lake after the end of 34L - the collour of the water is flickering - changing from light to dark blue and back when flyi...