To facilitate mobility, to ensure the safety of navigation and to ensure the protection of human life and the environment, it is essential for deck crew members, and especially for persons in charge of emergency situations on board passenger vessels and for persons involved in the bunkering of liquefied natural gas-fuelled vessels, to hold certificates proving their qualifications.
Chun an tsoghluaisteacht a éascú, chun sábháilteacht na loingseoireachta a áirithiú agus chun beatha an duine a chosaint agus chun an comhshaol a chosaint, tá sé ríthábhachtach do bhaill den chriú deice, agus go háirithe do dhaoine atá i bhfeighil cásanna éigeandála ar bord soithí paisinéirí agus do dhaoine a bhíonn ag plé le buncaeireacht soithí a bhreoslaítear le gás nádúrtha leachtaithe go mbeadh teastais acu mar chruthúnas ar a gcáilíochtaí.