Do the same thing with my Daughter. She's 3 and I keep her out at the airport as often as possible.
Had her out there a month or two back with a remote control helicopter. Her flying it consisted of power full on and the thing wizzing up to the roof, bouncing off and crashing to the floor of the hanger (it was one of those tiny, hand sized remote helicopters). She was having a blast.
She was doing this when one of the guys who owns a hanger further down came flying down the row in a REAL helicopter. Talk about eyes the size of saucers. After the guy shut down, we had to go over and give the thing a good, long stare. She was in heaven.
Very cool hawk, keep her near them. They'll do the rest.