SAT anførte, at Eurocontrol's praksis, der består i, for samme ydelser, at fastsætte afgifter, som bl.a. er forskellige fra stat til stat og fra år til år, må anses for misbrug af en dominerende stilling i henhold til traktatens artikel 86.
It claimed that the procedures followed by Eurocontrol, in fixing charges at different rates for equivalent services, of an amount varying in particular from State to State and from year to year, constituted an abuse of a dominant position within the meaning of Article 86 of the Treaty.