The rectangle 1

It will be better to disable surface elevation in options, or just make the flattening of this area. Works also for OpenOrbiter.

Supported Orbiter Version

Ascension Island (Levels 9 -19)
Highly detailed surface tiles of level 9-19; no night lights; native runway as a mesh
Kyiv (Ukraine)
This textures cover the city of Kyiv (the capital of Ukraine)
South Kent (South East of England)
A pretty big highly detailed surface area with good colour matching and blurry edges.
Lviv (Ukraine)
This addon covers a surface area of Lviv city (Ukraine) with an airport