autopilot

Performance Standards – Autopilot and Heading Control System

Autopilot is basically used when ship has to steer a set course for a long time without alteration because any deviation from the set course is controlled electronically and automatically. This will not only relieve the helmsman from steering duties but is also more efficient because as soon as the…

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LRIT Long Range

Performance Standards – LRIT

LRIT stands for Long Range Identification and Tracking. While meeting the general requirements for ship borne radio equipment forming part of the global maritime distress and safety system (GMDSS) and for electronic navigational aids, the LRIT should comply with the following minimum requirements: IMO PERFORMANCE STANDARDS FOR LONG RANGE IDENTIFICATION AND TRACKING SYSTEM (LRIT)…

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difference between lrit and ais

Difference between LRIT and AIS System

Both Long Range Identification and Tracking (LRIT) and Automatic Identification System (AIS) have different purpose altogether but are important to ships at sea. AIS is an broadcast system, whereas LRIT is reporting system. AIS is a system which provides a means whereby ships exchange information such as ID, position, course, speed…

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echo sounding

Performance Standards – Echo Sounding Device

These Performance Standards for Echo Sounding Equipment are applicable for ship speeds from 0 up to 30 knots. The purpose of echo sounding equipment is to provide reliable information on the depth of water under a ship to aid navigation in particular in shallow water. Echo sounding equipment should comply with the following performance…

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