taking a flight in an aircraft which comes from a non-Union airport and which, after a stopover at a Union airport, continues to another Union airport;
a bheidh ar eitilt in aerárthach a bheidh ag teacht ó aerfort nach aerfort de chuid an Aontais é agus a leanfaidh lena n-aistear, tar éis agastad a dhéanamh ag aerfort de chuid an Aontais, go dtí aerfort Aontais eile;