Comment on "lets say you had to do an engine out landing in a remote region, youre passenger has a broken leg, you have an injury that prevents walking a long distace for help. your radio wont work. how good are your survival skills in all seasons"
Rick is correct. Nothing beats a good knife as the #1 tool to have in a survival situation. However, you said its a trick question and it's light. I can think of several. What did you have in mind?