commiss opinion novemb applic articl council direct eec mutual accept personnel licenc exercis function civil aviat equival dutch cpl german atpl licenc dutch text authent ec commiss european commun regard treati establish european commun regard council direct eec decemb mutual accept personnel licenc exercis function civil aviat articl thereof regard request dutch govern request member state involv submit pilot train scheme programm letter april regist commiss april dutch govern request commiss basi articl direct eec opin mutual accept dutch cpl licenc german atpl licenc issu respect civil aviat author direct eec requir member state accept undu delai addit test licens issu member state privileg certif pertain thereto licenc issu member state commun accept basi equival articl experi articl articl requir accept appli alicens issu member state base requir equival host member state articl direct member state commiss opinion equival licens present accept week receiv request pursuant dutch request commiss wrote german dutch govern request full detail requir issu commerci pilot licenc air transport pilot licenc respect countri german govern transmiss inform regist commiss june dutch govern respons commun letter juli regist commiss juli view delai encount gather relev inform commiss inform dutch govern letter june month deadlin foreseen direct start run commiss receiv inform undertak examin commiss letter septemb dutch author sought month extens consult procedur till octob pilot fundament principl free movement person freedom establish provid servic enshrin articl treati implement virtu articl direct articl mutual accept pilot licens articl direct make mutual accept licenc subject procedur verif equival requir host member state issu member state reason doubt equival licens concern rais articl aim ensur safeti air transport servic explicit refer made sixth recit direct procedur strictli achiev object safeti air oper prejudic effect exercis abovement fundament freedom treati commiss examin requir respect licenc note atpl air transport pilot licenc author holder exercis function pilot command airplan whilst commerci pilot licenc cpl ir author holder exercis function pilot airplan pilot command airplan certif singl pilot oper germani issu type air transport pilot licenc atpl type limit airplan maximum weight kg tonn germani netherland link instrument rate type aircraft instrument flight skill demonstr german atpl comprehens dutch cpl practic consid equival revers comparison consid valid basi inform regard principl analysi outlin internation accept standard icao air safeti adopt opinion articl skill technic knowledg requir issu dutch cpl fulfil german requir issu atpl german atpl consid accept articl present opinion address kingdom netherland brussel novemb commiss abel matut member commiss oj judgment court justic case heylen octob case vlassopoul case krau march case