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About Mariners Infogram

A 2nd officer with an eye for writing and being of help to fellow Seafarers. Presently, he posts educational content for mariners here. He likes to enlighten others with the knowledge he has gained from his experiences so that they don't have to face the same problems as he has. A fun loving person but also an introvert, he speaks through his writings.

SOLAS requirement for Fire Hoses as per SOLAS Ch II/2.

SOLAS requirement for Fire Hoses This article deals with the SOLAS requirement for Fire Hoses for all types of vessels. The SOLAS is very clear regarding the requirement for fire…

Mariners Infogram June 2, 2023

Demystifying Gauging Systems in Chemical Tankers: Open, Closed, and Restricted

Gauging Systems in Chemical Tankers Gauging systems are the unsung heroes of chemical tankers, ensuring the safe and efficient transport of hazardous cargo. These systems come in various forms, and…

Mariners Infogram June 1, 2023

TRS and the weather associated with it.

Weather associated with TRS Atmospheric pressure In the outer storm area of a TRS, the fall of pressure ahead of the trough, and the rise of pressure behind it, is…

Mariners Infogram June 1, 2023

What are the 2 Size Requirement for MARPOL line?

MARPOL Line Marpol Annex 1, Regulation 30.4.2 requires every oil tanker delivered after 1 June 1982, required to be provided with segregated ballast tanks or fitted with a crude oil…

Mariners Infogram May 31, 2023

Explain the working of the Inert Gas system.

Inert Gas System The Inert Gas system can be divided into two basic groups: a) A production plant to produce inert gas and deliver it under pressure, by means of…

Mariners Infogram May 31, 2023

Multiple Loadlines: Why do some vessels have it ?

Multiple Loadlines Multiple loadlines are used when, for a period of time, the vessel has a need to operate temporarily with a greater freeboard than the minimum freeboard stipulated in…

Mariners Infogram May 30, 2023

Explain about TRS, its movement and Structure.

TROPICAL REVOLVING STORMS A tropical revolving storm aka TRS, is a small area of very low pressure, around which winds of gale force (34 knots or force 8) or more…

Mariners Infogram May 30, 2023

Briefly explain the main function of Inert Gas system onboard?

Inert Gas System onboard The IG system spreads the inert gas (IG) over the oil cargo-hydrocarbon mixture which increases the lower explosion limit LEL (lowest concentration at which the vapours…

Mariners Infogram May 29, 2023

Define Turning Circle, Advance, Transfer, Tactical Diameter, Stopping Distance, Inertia Stop, Crash Stop, Head Reach, Track Reach and Drift Angle.

Turning Circle: The path described by a ship's pivot point as it executes a 360° turn.Advance: When a ship is turning the distance travelled by centre of gravity along the…

Mariners Infogram May 29, 2023

What is the purpose and location of Fire Wallet on-board? What is a Fire Plan?

Fire Wallet Fire Wallet is a wallet type arrangement (Box shaped, or Cylindrical enclosed container type) usually located near the entrance of the accommodation of the Ship which contains various…

Mariners Infogram May 27, 2023