Automatic Identification System
AIS is a system that transmits vessel position, course and speed via a VHF radio channel to all ships within…
Autopilot
When a ship has to steer a single course for a long time it would be tiresome for the helmsman…
Heaving up anchor
Avoiding damage to the anchor system If the paid out length of the chain has to be adjusted, or when…
Purpose of Annex V
Annex V prevention of pollution by garbage from ships (entered into force 31 December 1988) Revised annex V entered into…
Parallel Indexing
Parallel indexing is an effective way of monitoring a vessels progress along a preselected track using a radar. As a…
Azimuth Mirror
A compass is equipment which is used to find direction while at sea. A compass tells the direction in which…
Doppler Log
The speed log is a device used to measure the speed and also the number of nautical miles the vessel…
Passage Planning For Pilotage Waters
90% of all the shipping casualties occur in coastal and port areas. The coastal passages leading to ports are generally…
ECDIS Route Check
The created route must be checked for potential dangers in case any have been overlooked during route creation. The system…
Radar Best Practice -ARPA
When using the ARPA the following points to be considered: For collision avoidance purposes an ARPA should be sea stabilized…