[3] Known and marketed as the DR.500, it is actually an extension of the DR.400's type certificate, so is sometimes referenced in official documents as the DR400/500.

[4] The maiden flight of prototype F-WZZY was on 29 May 1997 with Daniel Müller as test pilot.

The wing is slightly thicker than that on the DR.400, and it benefits from new, more streamlined wheel fairings.

The DR.500 is powered by a fuel-injected 200 hp Lycoming driving a two-blade Hartzell variable-pitch propeller.

There is a gas strut to keep the externally-accessible luggage compartment door open.