Introduction to Inert Gas Systems (IGS)
Inert gas system is the most important integrated system for oil tankers for safe operation of the ship. Inert gas is the gas which contains insufficient oxygen (normally less than 8 %) to suppress combustion of flammable hydrocarbon gases.
Radio personnel requirements
Every ship shall carry personnel qualified for distress and safety radio communication purposes to the satisfaction of its flag administration. (Refer to the STCW Code, chapter IV, Section B-IV/2.)
In this article, the Radio personnel requirements based on the shipping sea areas has been discussed.
Requirements within emission control areas (The latest amendment)
Refer to MARPOL Annex VI, Reg. 14, While a ship is operating within an emission control area, the Sulphur content of fuel oil used on board that ship shall not exceed 0.10% m/m.
In this article, we tried to collect the exact definitions of the SECA for our readers, as a reference.
Plate Type Heat Exchangers
Heat exchanger is a device that transfers heat through a conducting wall from one fluid to another. Heat exchangers are used to transfer heat from a hotter fluid (liquid or gas) to a colder fluid. In this article, we will briefly introduce the equipment and some common faults in them.
ClassNK Amends Rules for Seawater-lubricated Shafts
Nippon Kaiji Kyokai (ClassNK) has joined the major classification societies to amend its rules relating to the inspection of seawater-lubricated propeller shaft systems. The amendment means that ships with open seawater-lubricated propeller shafts that are built to ClassNK rules are subject to the same 15-year shaft withdrawal inspection periods as oil-lubricated shafts and stern tubes, subject to monitoring criteria.
Understanding UMA (UMS) Ships and Their Operational Requirements
UMA (Unattended Machinery Area) ships, sometimes referred to as UMS, are designed for machinery and equipment operation without constant watch-keeping personnel. This article outlines the specific machinery included, stringent safety requirements, and the need for meticulous ship design. It emphasizes fire safety measures, prevention of flooding, alarm systems, and communication means, all crucial for ensuring safe and continuous operation.
GMDSS requirements for radio installations on board SOLAS ships - 2024
The Sub-Committee on Navigation, Radio-Communications and Search and Rescue (NCSR), at its ninth meeting (21-30 June 2022), considering amendments to Chapter IV of SOLAS, resolution MSC.496(105) adopted, according to which, the circular No. COMSAR.1/Circ.32/Rev.1 related to the modernization of radio equipment (GMDSS) and harmonizing the requirements related to them. In this technical article, the second edition (COMSAR.1/Circ.32/Rev.2) of this directive is explained, which has become effective from January 1, 2024 for all ships subject to the SOLAS Convention.
Notice of the SOx Emission Control Areas in Republic of Korea
All vessels in operation (sailing and anchoring/mooring) within Korea SECA are to be fulfilled with announced requirements from 1st January 2022.
Despite a decline in global piracy, the Singapore Strait is an "area of concern"
Despite an overall decline in piracy incidents against commercial ships worldwide, the Singapore Strait remains one of the regions of concern, with an 11% increase in 2022. As a result of analyzing these incidents, ReCAAP (The Regional Cooperation Agreement on Combating Piracy and Armed Robbery against Ships ) attempts to improve the safety conditions and area.
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