SAILORS TWILIGHT

Visibility is the maximum distance which can be seen on the horizon with naked eyes and without using any equipment. Good visibility is important for safe navigation and accident reduction. The officer on lookout will estimate the visibility all aro…

Emergency Position Indicating Radio Beacon (EPIRB) is an equipment which helps to determine the location of survivors during a distress situation to enable search and rescue operation(SAR). It is a secondary means of alerting in distress. It transmi…

A great circle is a circle on the surface of the sphere, whose radius is the same as the radius of the sphere. Equator is a great circle. A great circle drawn between two points on earth is the shortest distance between points. Sailing through a gre…

United Nations Convention on Laws of Sea (UNCLOS) is an international convention which defines the rights and duties of administrations with respect to their use of worlds oceans. The convention was adopted on 10 December 1982 and was effective from…

Voyage data recorder (VDR) is very important equipment on the bridge as it records and stores the critical parameters of ship, to facilitate reconstruction of an incident or accident for investigation or any other purposes. This equipment will help …

Angle of loll is a condition which occurs to a ship in its unstable equilibrium. In an unstable equilibrium, the metacentric height(GM) is negative. That is, the position of metacenter is is below the centre of gravity. In this condition, when a shi…

Mercator charts: Mercator charts are charts used in navigation onboard ships. This chart is used for Rhumb line sailing onboard ships. Rhumb lines are straight lines which cut every line at the same angle. Mercator projection is also called as cylin…

Self Contained Breathing Apparatus (SCBA) is a device when worn provides breathable air which is compressed ,which helps the user from harmful outer air  was hazardous compartments. SCBA is used onboard ships for enclosed space entry, firefighting o…

As far as possible , encourage the stevedores to discharge the cargo sweepings after the cargo discharge. Make the crew of stevedores sweep the cargo residues in the deckhead and bulkheads, while the discharge progresses If the Bilge of the cargo ho…

A Navigational watch is really important for the safe operation of the ships. The officer on watch (OOW) shall maintain a proper lookout by sight, hearing and as well as all available means appropriate to the prevailing circumstances so as to make…

Nautical Pubilications are a set of publications , which are published by either national governments or by professional organisations , which serve the use of making the navigation of the ships ,boats and other vessels easier. The important Nautica…

This article discusses about the important Maritime passages in the world part -3 Part -1  Important Maritime passages in the world-part 1 Part -2  Important Maritime passages in the world-part 2 . Saint Lawrence seaway : This seaway ext…

Following article discusses about the important Maritime passages in the world Part-2. Part -1 :  Important Maritime passages in the world part-1 .  Straits of Magellan : It is a natural navigable passage connecting the south atlantic and the south …

This is the part one of the article which explains about the various important Maritime passages and how these passages contribute to world trade. . Panama Canal -  It is man-made canal which extends over 44 nautical miles. Panama canal connects the…

INDIAN SCENARIO IN NAVTEX The whole world is Divided into 21 Metareas or Navareas . These regions are part of Global Maritime Distress safety syestem (GMDSS). India is the Navarea VIII and India is responsible as a coordinator for Navarea VIII. NATI…