commiss opinion june address belgian govern respect implement council direct eec pilotag vessel deep sea pilot north sea english channel eec letter date januari offic perman represent belgium european commun submit document commiss consult pursuant articl direct preliminari draft law introduct deep sea pilot certif north sea english channel water draft royal decre implement law draft ministeri decre implement royal decre draft royal decre set maritim control commiss examin draft royal decre implement draft law introduct deep sea pilot certif north sea english channel water emerg condit grant certif question possess belgian luxembourg nation commiss consid deep sea pilot question simpli give technic assist ship master retain sole respons sail manoeuvr ship cf articl draft law articl preliminari draft law belgian state held respons damag holder deep sea pilot certif exercis profess circumst commiss opinion deep sea pilot involv exercis offici author mean articl eec treati prescrib condit belgian luxembourg nation incompat articl treati honour request belgian govern examin light articl treati provis draft royal decre relat condit nation grant certif question brussel june commiss richard burk member commiss