You absolutely need highly detailed OR Tambo or Cape Town Intl and you are willing to fight with installation issues.
Out of the box, FSX treats most of Africa as a low-priority region. The terrain mesh is coarse, the landclass data is outdated, and the autogen (trees and buildings) doesn't reflect local architecture. Key issues include: fsx south africa scenery
NMG has produced a library of accurate southern African airports, including: You absolutely need highly detailed OR Tambo or