Dimensions: Hull volume 7200 m³. Lifting gas Helium (non-flammable). Length 61 m Height 20.3 m Max. Hull diameter 15.3 m Cabin length 11.6 m Cabin width 2.6 m. Seats: 2 crew + max. 13 passengers. Max. Load 1200 kg. Max fuel 600 kg. Engines: Two 250 hp Porsche turbos or 300 hp Lycomings. Max airspeed: Certified to 50 kts, but Lycoming version is capable of 70 kts. Normal cruise 30 to 40 kts. Range (standard configuration) 1000 km. Endurance (Standard fuel): 20 hrs. Other construction details: Envelope manufactured by TCOM. Gondola and fins made of Kevlar. Chief designer: Roger Munk in UK.