Hi everyone! Announcing Futuristic Engine Sounds: UFO! Listen to the Audio Preview. This package including: 336 high-quality sound effects 16 kinds of UFOs 80 loops of engine rpm sounds at idle, low, medium, high, very high rpm 64 acceleration sounds, 64 deceleration sounds. 128 transition sounds between engine rpm. Great for creating futuristic vehicles: UFOs, spaceships, spacecrafts, copters, flying cars and bikes, space and futuristic vehicles and objects. Look for more information here - Futuristic Engine Sounds: UFO I will be happy to answer all your questions. Contact email - firstname.lastname@example.org. More sound packages for your projects on my Publisher page.