Today I was about to take off then I just went up about 4 feet then I about to land I touch down then it started to tip over. So I brought it up again but notice the power was about to climb again. I got nervous for a moment so push down the typhoon and try shutting Down the typhoon. I was wondering because when I calibrated it I was in my master bed room which was in the second level. Just curious since I did it upstairs did the typhoon H thinks the ground was in the second level.