User manual and software update releases for Flytec Balloon 4 by jewald on 10. December 2019 with No Comments We have released the user manual for the Flytec Balloon 4 in English and German. French to follow. Let us know if you’d like to help us translate the manual into other languages. We have also released a new software version for the Flytec Balloon 4, with some minor improvements and a number of important bug fixes.