Navigation

Navigation in Coral Region

Corals are living organisms which they grow live and die. Corals required sunlight, clear water, warm water temperatu…

Conventional Propellers

Handling of one ship may be very different from another ship. Good knowledge of seamanship and experience increase the …

Time System

Time and day      A period of duration measured by the apparent movement of celestial bodies about the earth.  Period of t…

Marine Sextant

Sextant is called so, its graduated arc is about one sixth of a circle. Principle – If a ray of light reflected twice of in …

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