Ken Hill is someone whose acquaintance you really don’t want to meet. If Hill shows up on your doorstep, or your hangar, it means that your airplane is about to fly away — with Hill at the controls. He’s an airplane repo man, and according to this interesting New York Times profile in this weekend’s paper, he’s looking at his busiest year yet. Last year, he says in brought in 50 aircraft, from Piper trainers to Gulfstream jets to his clients, banks that specialize in aircraft loans. This year, “it could be 100,” he says.