Why for god sake would you do a F3 landing? On a 319 for practice purposes yes just to keep used to the picture as quite a few non normals require F3 for ldg. But why would you do a F3 in a 320 with tailwind?? Its harder to get the a/c speed stable. It feels like the a/c is hanging in the sky and speed fluctuations are much more present then with F-full. With some bad luck you end up with thrust in idle on short final. Even in gusty conditions i am not a fan of F3 but thats personal. Flare gives less margin for error and the possibility for a "pitch" callout increases big time. Only in very few situation I prefer F3 but otherwise I dont see the benefit!