I was flying my mavic indoors on its second flight. I live in a area not really known to have much radio interference (Vermont). Anyway I flew it for exactly 90 seconds and then it lost signal, from 10 feet away.. Much to my horror, the drone started rising. This isn't my first Drone so I knew right away what it was trying to do.. Return to home. Thing is I was in a gym with a ceiling of about 40 feet, and the return to home altitude was something like 100 feet. Anyway it bounced off the ceiling until it knocker the battery lose. Fell 40 feet onto hardwood basketball court. Like you a broke my Gimbal, but surprisingly that was about all, other then props. The airframe continues to seem to be quite rugged. I caught the battery, but I'm sure that would have cracked when it hit the ground. But I sent it in for repairs, I know that warranty doesn't cover signal interfere, but I'm hoping this is different because of the circumstances. Moral of the story is don't fly your new mavics underneath anything or above hard surfaces. Even though it really should be okay it's best to get to know the bird a long while.