FS2004 Call Sign--Gippsland Airvan GA.8 ATC mods. ATC modifications for the Gippsland GA8 Airvan. The Gippsland GA8 Airvan is a single engine utility aircraft manufactured by theGippsAero (Formerly called the Gippsland Aeronautics) in Victoria Australia. It seats up to eight including one pilot. The aircraft was intended to fill a niche in the market seen by the manufacturer between the Cessna 206 and Cessna 208 models. The Airvan is used in various roles, including passenger services; freight; sightseeing; parachuting; observation and search and rescue. To be imported using EditVoicePack (EDITVP31.ZIP). By Mike Stallwood.