mehmet ali

tide international vessel gel git tide table table convention uluslararası maritime sozlesmesi subordinate u.s calculation git gel tonnage 69 69 tonnage hesaplama arama ve kurtarma kurtarma arama search and rescue rescue search marpol maritime pol sozlesme yükleme load line line load denizcilik organization systems intergrated entegre sistemas köprüüstü bridge guvenlik management safety secondary ba port psc denetleme survey ship sailor job search