Today me and the family took our boat over the hammocks beach here in nc, its a small island we spend most of our summer at. I got the phantom out and was getting some footage of the ocean and the island, plus the water was clear so I was sure when I played back the recording I would see all the ocean life teaming. There were sharks, lots of big fish, and hundreds of manta rays, and skates. I flew across the island right over our head heading towards the ocean for a low fast approach flying in atti mode, and I was facing the sun so I decided to view my ipad mini instead of keeping an eye on the quad and as I was flying over the waves all of a sudden I lost signal. Thats when I new what had happened, I believe my screen froze for a second or two and you guys know in atti mode you lose altitude, so it crashed in the ocean. The last visual on my screen shows 867 feet distance and 27 feet altitude, I was flying at close to 40 mph.... One sad day Me and my dad took the boat out into the ocean and never found it, I hoping to find one somewhere without the transmitter, but I can't find a BNF anywhere