RV FLIP (Floating Instrument Platform) is an American research vessel built in 1962 by the Office of Naval Research. This boat with a length of 108 meters is able to rotate 90 ° by immersing in water. Once pivoted, the ship becomes a platform whose length is no longer than 17 meters. The advantage of being in fashion platform allows FLIP better withstand the waves. FLIP has no engines or means of propulsion, it must be towed. FLIP is a research vessel to study waves, acoustic signals, the temperature of the water ... FLIP uses a ballast system to rotate. Before the game is filled with water or air following the requested position.