mehmet ali

tide vessel international sozlesmesi table tide table gel git maritime convention uluslararası intergrated entegre systems organization sistemas köprüüstü bridge guvenlik management safety secondary ba port psc denetleme survey ship sailor job search 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