Visitors to the aircraft exhibition on German Aerospace Day can take a look at the unique aircraft that make up the DLR Research Fleet: the world's most advanced helicopter EC135 FHS, the Cessna 208B Grand Caravan, a 'flying auditorium', DLR's largest aircraft Airbus A320 ATRA, the Dassault Falcon 20E and the parabolic flight aircraft Airbus A310 ZERO-G.