To see statics elements such as: chocks, pitot cover, sight props, tow tractor, etc there should be these conditions:
1.- Aircraft should be on earth and stopped.
2.- Mixture totally off
3.- Ignition off
4.- Parking brake on
5.- Master off
6.-Static element should be checked in the Windows manager (in most of our aircraft you get the windows manager pressing SHIFT+3)
NOTE: Only some of our aircraft have this property, not all of them.