Seen on Planefinder near to Caernarfon Airport was the registration GUASA written as such without the hyphen. Planefinder didn't give me a clue so I G-INFO'ed it and it comes back as a G-UASASchiebel Camcopter S-100 drone operated by Bristows Helicopters and to be used in the Search and Rescue field. They are based at Caernarfon Airport and it was seen flying along the Llyn Peninsula.Beemer.