Had an incident during My owd course. I failed to get My mask back on. And keept nocking My regulator out of My own mouth. Trying to get the mask back on again. The paniked and went for the surfice. My instruktor keept holding on to me.... Got the mask back on and the regulater back in My mouth with one hand. While hanging in the middle of nothing. Dont rember how i did it. But took me some time to get read for dive nr 2