I would be flying over the bushveld jungle in Africa ( probably in the Kruger National Park Area or Botswana/Namibia) This is a relatively dry terrain with lots of Acacia thorn trees and bush and lots of predators and dangerous wild animals etc. Quite a harsh environment in summer. I would take my Aitor Bucanero Survival Knife which I have tried and tested in the bush already. It has a recurved blade of approx. 10/11 inches with a severe saw spine. It cuts through trees like butter and chops like a small axe. It is tough, and has a mini survival kit in the handle with compass etc etc. This one is not weak as I can attest to that. I have used it in a similar environment and have been quite ruthless with this blade. It was also good enough to slice bread after this treatment. It still looks none the worse for wear. Only one????? Oh mannnnnnnnn!!!! LOL