The Avidyne AutoPilot DFC100 has never been installed/certified on the EA500. Therefore, the DFC100 cannot be added to the stack. Request to move the Extra R9 from 9.3.X to 9.4.X is not approved, inquiries must be directed to Extra. EXTRA Aircraft Maintenance GmbH Schwarze Heide 21, 46569 Hünxe - Germany Office …