Going to airshows is a trill for me. The main one I annually go to is Wings over Houston. I think the first time we went was in 2000, although it might of been sooner, because in 2000 was the first time we brought a video camera with us.
My brother was into model rockets then I got into them, all told we have about 30+ between the two of us. The model rockets can range to small to a several feet tall, from A to E engines. Any engine higher then that cerification is required, to use them.