Many pilots will freely admit to being aviation nerds, avgeeks, or flying nuts. Whatever phrase you use to describe the affliction, we want to know the defining characteristic. Is it the number of airplane models you own? The bookshelf full of POHs? The flight training debt you work to pay off? Or maybe the acronym-laden vocabulary that pops up in casual conversation.
Share your comment below and tell us the surefire way a fellow pilot can tell that you are absolutely, uncontrollably, 100% an aviation nerd.