oj commiss opinion address irish govern implement council direct eec pilotag vessel deep sea pilot north sea english channel eec letter juli irish perman represent european commun commiss articl direct eec draft ministeri measur shipown captain irish ship instruct ensur vessel fly irish flag pilot north sea english channel adequ qualifi deep sea pilot hold certif issu compet author state border north sea english channel accord articl direct hold certif consid equival examin document satisfi commiss public aforesaid measur fulli implement provis direct concern ireland commiss suggest irish govern wait detail inform govern concern complet text measur question issu commun shipown sea captain cover point draft submit commiss brussel commiss georg contogeorgi member commiss