Four territorial hisses of a male barn owl (Tyto alba). It is also referred to as the common barn owl. To learn more, go to Wiki: en.wikipedia.org/wiki/Barn_owl. UCS Category: BIRDPrey. Duration: 00:19.
Passage of a boomerang or a stick that flies while turning. Doppler-Fizeau effect of a passage from left to right, made by computer. UCS Category: SWSH. Duration: 00:04.
Noise of a helicopter. Recording from outside. Wind noise in the paddles. Acute and powerful sound. Sound is difficult loopable. UCS Category: AEROHeli. Duration: 00:05.