Hoi Prodigae,
Sorry to tell you that your map have been rejected.
The theme is not really good, there is already some Airplane and Air Balloon maps, adding some TNT on them is not enough to make this original. For the build, I don't really like those random TNT one the first plane, it's a bit messy ; the top of the air balloon is also plain. The parkour is not the best thing too, it's pretty confusing sometimes and too hard for an easy.
However, there is some nice jumps on your parkour, and the planes looks good too :D
Thanks for submitting your map, would be really good to see more maps from you !