By Gregg WendorfAdvance News JournalThere is a dark secret, call it what you will, in the world of general aviation that isn’t much talked about, and that is, it’s a risky endeavor. Riskier than riding a motorcycle, even though comparing the two is hard to quantify.Per hour of activity, or per mile, according to the National Transportation Safety Board (NTSB), in the world of general aviation, there are 1.21 fatalities per 100,000 flight hours. On a motorcycle, the fatalities are 0.67 fatalities per 100 million miles.Before I graduated from Gateway Technical College with my aviation degree in hand, all my ...