SAILORS TWILIGHT

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…

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 …

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…

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…

Radar( Radio Detection and Ranging ) is a bridge equipment which is perfectly synchronised and gives the bearing and range of objects in vicinity. Radar transmits electromagnetic waves and these waves hit objects in range and come back to the radar.…

Navigation of ship through heavy weather demands great attention and care from the ship's crew. During the 4 hours of watch of the officer on watch he is the full incharge of ship and  the representative of the Master. The Officer on watch (OOW)…