ECDIS (Backbone of Bridge)
ELECTRONIC CHARTS There are two types of Electronic Charts available:a) Raster Navigational Charts (RNC).b) Electronic Navigational Charts (ENC). RASTER NAVIGATIONAL…
Category: Navigation
Managing Navigational Risks
After studying this blog, you should be able to: State the different categories of navigation in the voyage cycle. Pick…
Aneroid Barometer
An Aneroid barometer is an instrument used for measuring atmospheric pressure. It uses a small flexible material box called a…
Ice on the Sea
Ice is found at high latitudes in both hemispheres i.e. Northern Hemisphere (Artic) and Southern Hemisphere (Antarctic) regions. They differ…
Weather Reporting System
Efficient weather service to shipping depends on the timely location and accurate tracking of weather systems over the open sea,…
Anchoring glossary of Terms and abbreviations
Aframax (tanker) An AFRA (Average Freight Rate Assessment)max is a medium-sized oil tanker which ranges in size between 80,000…
Anchor swinging circle
Monitoring the drag with swing circle A ship at anchor will swing around the anchored position in the wind. A…
Gyro Compass
The ships main gyro compass gives the heading of the vessel with respect to true north. A Gyro compass is…
Magnetic Compass
As per Chapter V of SOLAS 74, as amended, a magnetic compass is a compulsory part of ship borne navigational…
Course Recorder
It records the Gyro course steered by the vessel continuously against a time scale. The record is considered as useful…