An industrial estate very near to us had a helipad and I used to watch all sorts of helicopters flying in and out, mainly smaller machines, squirrels, jetrangers, gazelles,109s etc, it was a thrill every time I heard one start up and always watched to see which it was, so this was the catalyst for starting in helicopters. I still get a thrill being around helicopters so it was obviously the right thing to do, even if it hasn't been that good for my wallet!