OK, you knew with all this talk about load factors and normal, utility and acrobatic there had to be a question about flying upside down with your eyeballs bulging out. Here goes: According to FAR 91.303, no person may operate an aircraft in aerobatic flight ... (Finish the sentence. And, yes, the FAA alternates the terms acrobatic and aerobatic with impunity.)
If you enjoyed taking this interactive quiz and would like to see more like it, go to the AVweb Brainteaser page. And if you thought it was unfair, confusing, or a waste of time, we'd like you to tell us that, too. And if you have an idea for a subject that you think would make a good future Brainteaser quiz, be sure to let us know.