The UFO is a vehicle in FarmVille. It was available for 24 hours in the Market on August 15th, 2010 as part of the 7 Days of Summer Event. It functions similar to the Biplane.
It was re-released on June 23rd, 2011, as part of the FarmVille Birthday Classics event. It was available for 1 day as part of the UFO theme, on the 8th day.