From 1 October 2020, the Egelsbach-based flight service provider Heli Transair will take over the helicopter company Rotorflug from Friedrichsdorf. Heli Transair will then become the only shareholder of Rotorflug, which specializes primarily in commercial flight. Dirk Herr, the managing partner of Heli Transair, will additionally take over the management of Rotorflug, which he shares