Pipistrel d.o.o Ajdovščina is a Slovenianlight aircraft manufacturer established in 1987 by Ivo Boscarol and based in Ajdovščina. Due to legal restrictions imposed by the Yugoslavian government during the 1980s, flying alternative and ultra-light aircraft was illegal. This led to the first aircraft being flown secretly in the evening, between dusk and dark. The flying times and shape of the hang-glider style wings earned the aircraft the nickname "bats" which was adopted by the company naming themselves after the Latin word for bat, pipistrellus.
Its facilities are located in Ajdovščina, a new factory is being built near the town of Gorizia, Italy. The company was first private aircraft company in Yugoslavia. Up to the 1990s more than 500 hang gliders were produced and up to year 2012 more than 1000 aircraft were produced, the year company employed 85 people.