OK-8881, Kubicek BB37Z, built 2008, 450 hrs. 3.700 m3 / 130.000 ft3. 100% polyester fabric. Smart vent, turning vents. Artwork sewn on. In good condition, mostly flown with 4 or maximum 5 passengers. Currently in use as backup envelope. ARC valid until January 2018. Envelope would be able to fly at least 300 more hours.