Marine polar navigation An issue that has come in for particular attention in recent years is navigation in high latitudes and especially the use of the northern sea routes for commercial traffic and oil and gas exploration. Ships have always navigated through ice-infested waters but the conditions found in the Baltic, Black Sea and other […]
Konsep dasar survei batimetri menggunakan echosounder Alat yang dibutuhkan untuk pengukuran dasar laut ini ada dua macam, diantaranya Echosounder Single Frekuensi dan Echosounder Double Frekuensi. Bedanya adalah kalau single frekuensi hanya menggunakan frekuensi tinggi saja (kedalaman hanya sampai lapisan paling atas dari tanah), artinya kedalaman tidak bisa menembus lumpur (Contoh alat : Echosounder Hydrotrac ODOM). […]
Survei bathymetri di laut Survey hidrografi dan pemetaan bathymetric merupakan salah satu kegiatan yang dilakukan untuk melakukan pengukuran dan juga mengembangkan hal hal yang berkaitan dengan dasar laut. Salah satu hal yang dilakukan yakni dengan survey bathimetri. Kini jasa Survey hidrografi dan pemetaan bathymetric seringkali di cari oleh beberapa orang saat ingin melakukan penelitian di […]
Dokumen dan sertifikat-sertifikat di kapal Sebuah kapal agar dapat menjalankan tugas dengan baik dan aman, harus dilengkapi dengan surat-surat kapal sesuai dengan ketentuan yang berlaku. Terdapat beberapa macam sertifikat kapal, yg keberadaannya merupakan persyaratan bagi kapal yg bersangkutan sesuai dg peruntukannya. Jenis-jenis sertifikat tersebut adalah : 1. SERTIFIKAT KAPAL 1. Sertifikat Kesempurnaan Adalah sertifikat yg […]
Marine Dynamic Positioning For most vessels, complicated manoeuvres are only made when berthing or unberthing but for vessels working in certain sectors – particularly the offshore sector – the ability to accurately hold station for long periods is essential. To accommodate this need, vessels are fitted with some form of dynamic positioning (DP). DP systems […]
Ship manoeuvring controls A bridge is not only for navigation but is also the command and control centre of the ship. As such it must have a comprehensive control system that connects to the engine and steering gear as well as other systems on the ship such as the navigation lights. On a modern ship […]
Ship position fixing Traditional means of navigating are dependent upon a magnetic compass to indicate direction and a sextant to fix the position of the ship. Both instruments have limitations but skilled navigators have been using them successfully for centuries before and after the invention of alternatives such as the gyrocompass and GPS. A sextant […]
Automatic Identification System (AIS) Man Overboard Device An AIS Man Overboard (MOB) device is designed to be carried by individual crewmembers and used in the event of a Man Overboard situation or other personal emergency. Whether you’re a commercial vessel, a fishing trawler, diving or leisure craft, an AIS MOB device should be considered essential […]
NetWave NW6000 Inland Waterways Voyage Data Recorder System What is Vessel Data Recorder (VDR) ? VDRs are data recording systems, mandated for commercial vessels in international waters under regulation 20 of SOLAS Chapter V, to enable accident investigators to review procedures and instructions in the moments before an incident and help to identify the cause […]