1. at the time this site did not exist
2. when you speak of something happened 2 years ago using the past and not the present might help (I am pretty sure everyone that read your question thought that it happened no more than a week ago. see `I see most of the private jets flying` -> yesterday/today)
3. such shows are a display for aircrafts, they have to arrive there
4. even if it was not on display, it might have been transporting some VIPs