arriving at a Union airport on board an aircraft coming from a non-Union airport and transferred at that Union airport to another aircraft proceeding on an intra-Union flight;
a thiocfaidh go dtí aerfort Aontais ar bord aerárthaigh a thiocfaidh ó aerfort nach ceann de chuid an Aontais é agus a aistreofar ag an aerfort Aontais sin go dtí aerárthach eile a bheidh ag dul ar eitilt laistigh den Aontas;