on a regular service on domestic voyages in sea areas in which ships of Class A may operate in accordance with Article 4 of Directive 2009/45/EC of the European Parliament and of the Council [6].
ar sheirbhís rialta ar thurais intíre i limistéir farraige ina bhféadfar longa Aicme A a oibriú i gcomhréir le hAirteagal 4 de Theoir 2009/45/CE ó Pharlaimint na hEorpa agus ón gComhairle [6].