Member States shall ensure that the persons referred to in Articles 4, 5 and 6 have the necessary competences for the safe operation of a craft as laid down in Article 17.
Maidir leis na daoine dá dtagraítear in Airteagal 4, in Airteagal 5 agus in Airteagal 6, áiritheoidh na Ballstáit go bhfuil na hinniúlachtaí is gá acu chun árthach a oibriú go sábháilte, mar a leagtar síos in Airteagal 17.