applying the signal management process referred to in Article 81 and ensuring that any arrangements for the fulfilment of responsibilities referred to in Article 77(4) are in place;
an próiseas bainistithe comharthaí dá dtagraítear in Airteagal 81 a chur i bhfeidhm agus a áirithiú go bhfuil aon socruithe maidir le comhlíonadh na bhfreagrachtaí dá dtagraítear in Airteagal 77(4) i bhfeidhm;