Browse By

Category Archives: Shipboard operation

Emergency Recovery of anchor and cable

Occasionally the power of the windlass may be insufficient to recover the anchor, even in moderate weather. This can be due to mechanical inefficiency in the windlass due to excessive friction in gears for example, or to a reduction in power of the windlass motors,

Knowledge Of Safety Systems on Board

Safe Practices: The Aim of this section is to ensure that the seafarer does not, at anytime, jeopardize the safety of his shipmates or himself when working in hazardous areas. a) Safe practices for working over side and aloft.b) Safe practices when entering into enclosed


Heaving up anchor

Avoiding damage to the anchor system If the paid out length of the chain has to be adjusted, or when the anchor heave-in-operations has to be started, ensure there is minimum tension in the chain. The windlass is not designed for breaking out an embedded

marpol annex V

Purpose of Annex V

Annex V prevention of pollution by garbage from ships (entered into force 31 December 1988) Revised annex V entered into force 1 January 2013. The purpose of Annex V of the MARPOL convention is to eliminate and reduce the amount of garbage being dumped into

steering gear

Steering Gear Testing

Within 12 hours before departure, the ships steering gear is checked and tested by the ship’s crew. The test procedures include the operation of the following: The Main steering Gear The auxiliary steering gear The remote steering gear control systems The steering positions located on

fixed co2 system

Fixed CO2 Fire Extinguishing System

How CO2 extinguishes fire At atmospheric pressure carbon dioxide is a colouless, odourless and non-conductive gas that can quickly and thoroughly permeate a protected area, reduce the oxygen to a level below 15%, where combustion is not supported and extinct the fire. CO2 extinguishes the

Anchoring Methods

Three types of methodsVessel generally use any one of the following methods: “Dropping” or “letting go” anchor from the hawse pipe of just above the water line. For depths up to 20m. “Walking back” anchor just above the sea bed for depths between 20 to

Tanker cargo shortage and contamination claims

There are many areas where the transfer of bulk liquid cargoes and the methods used can give rise to either a short out-turn or a cargo contamination. If we consider the cargo loading and discharge cycle, a ship must first be prepared with suitably clean

Fire Fighting Equipment Maintenance

Maintenance, testing and inspections for fire protection systems as well as fire-fighting systems and appliances are required in accordance with SOLAS Chapter II-2/14.2.2 as quoted below. 2.2 Maintenance, testing and inspections 2.2.1 Maintenance, testing and inspections shall be carried out based on the guidelines developed

Evaluation of Discharge Performance

Why do we need to evaluate a discharge performance ? When a vessel is fixed for trade, the Owner & Master have a commercial responsibility is to :  load, carry and discharge the cargoes  without incident,  üin the most cost-efficient manner  without compromising safety or