FPVfactory Mariner Waterproof Quadcopter RTF Radio Control Toy Style and Battery Power RC Professional Drones for Aerial Photography The Mariner Quad-Copter is a rugged, high quality, waterproof quad-copter that can be operated in virtually any type of environment. ts streamlined design and highly reliable electronics make it the perfect choice for taking incredible video or still pictures in virtually all weather conditions. It can be flown and operated on lakes, oceans, deserts, forests or rugged mountain terrain. Fitted with a GoPro (or G3 camera), with underwater housing, incredible underwater footage can be recorded while the Mariner slowly skims on the water surface. By using a GoPro with a stabilized gimbal system (Stedi HG2), professional quality HD video is readily obtained.