Browse By

All posts by admin

ENHANCED HULL SURVEY

Surveys and Certification

The Harmonized System Of Survey and Certification (HSSC) Previously the certificates were issued on different dates when the relevant certificates expired. They had different periods of validity. When their annual and other surveys became due, preparations had to be done for each. Often preparations were

turning circle

Stopping Distance, Turning Circle, Ships Manoeuvring

Stopping Distance Stopping distance is the distance, which, a ship will continue to move after action is taken to stop engines and till the ship comes to rest. Stopping distance details may be provided for sea speed, harbour speed, half speed etc. It may be

amplitude

Rising and Setting – Azimuth by Amplitude Twilight

After reading this blog, you will be able to take amplitude of the heavenly bodies and calculate the compass error. Ensure that you workout such errors as frequently as possible when on onboard.  Since refraction causes celestial bodies to appear elevated in the sky, they

cargo watch

Cargo Watchkeeping In Port

What is cargo watchkeeping?? Carriage of cargoes is an important aspect of merchant shipping and your duty on board is: • To inspect,  • Load as planned,  • Carry,  • Care for and deliver the cargo to the consignee in the same condition in which

inclining experiment

Inclining Experiment

Why the vessel has to be inclined ??? To obtain the metacentric height it is necessary to determine the position of the centre of gravity `G’. This calculation consists of two parts.  a) The first is the finding of the height of the metacentre ‘M’

bollard

Mooring a Ship

When in port the ship either anchors or moors to facilitate loading and discharging operations.  Each of these operations requires skills and detailed knowledge of the capability of the ship and local conditions. A pilot may provide some of these but there are some ports

flag of convenience

Flag Of Convenience

Flags of convenience came into existence in the late sixties. In the earlier stage, they were not welcome. Now they have not only come to stay but the established maritime nations also are now establishing such registration procedures. We shall learn why flag of convenience

document of compliance for carrying dangerous goods

Certificates & Documents To be Carried Onboard Vessel

International Tonnage Certificate (1969) An International Tonnage Certificate (1969) shall be issued to every ship, the gross and net tonnage of which have been determined in accordance with the Convention. International Load line Certificate An International Load Line Certificate shall be issued under the provisions

Thorough Ventilation

Ventilation of Cargo Spaces

Aim Carrying cargo with care is our first aim and ventilation is one of the aspects that we need to ensure at all time. Let us see what ventilation means.  Introduction As you know, most of the cargoes are loaded in cargo compartments. These are

gmdss sea area

GMDSS (Equipments and Procedures)

Preamble IMO began work on the Global Maritime Distress and Safety System in the 1970s and its introduction marks the biggest change in maritime communications since the invention of radio.  It has been introduced in stages between 1993 and 1st February 1999. The basic concept