Category: Navigation

INSTRUCTIONS FOR MARINERS AND OTHERS ON HOW TO CANCEL A FALSE DISTRESS ALERT

November 21, 2019February 19, 2020 admin No Comments

DSC VHF Switch off transmitter immediately. Switch equipment on and set to Channel 16; and Make broadcast to “All Stations” giving the ship’s name, call sign and DSC number, and cancel the false distress alert. Example All Stations, All Stations, All Stations This is NAME, CALL SIGN, DSC NUMBER, POSITION. Cancel my distress alert of…

Navigation

Girting of Tug

November 21, 2019February 19, 2020 admin No Comments

Girthing It is the capsizing moment of the tug due to the sudden movement of ships. The line is usually secured very near to the center of flotation and for this reason the tug is liable to be girded. This phenomenon is known variously as girthing, girding or girting, in differing parts of the world….

Manoeuvring Booklet

November 21, 2019March 3, 2020 admin No Comments

Contents 1 General description Ship’s particulars Characteristics of Main Engine(s) 2 Manoeuvring characteristics in deep water Course change performance Turning circles in deep water Accelerating turn Yaw checking tests Man-overboard and parallel course manoeuvring Lateral thruster capabilities 3 Stopping and speed control characteristics in deep water Stopping ability Deceleration performance Acceleration performance 4 Manoeuvring characteristics in…

Master Night Orders

November 21, 2019February 19, 2020 admin No Comments

Night Orders 1. Required to be written by master before he is going to take a rest at night. 2. A set of instructions to OOW in written format. 3. Depends on the events expected at the night. 4. Generally includes following points: • To comply with standing orders. • Follow the laid courses. •…

Steering Gear Testing

November 21, 2019February 19, 2020 admin No Comments

How is a steering gear tested After prolonged use of autopilot and before entering coastal waters the steering gear must be tested at all the manual steering positions on the bridge. In coastal waters more than one steering gear power unit, when such units are capable of simultaneous operation should be used. Within 12 hours…

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Navigation

Abort Point & Point Of No Return

November 21, 2019March 3, 2020 admin 1 Comment

Abort point is the final point at which a ship can take action to avoid passing the point of no return. It is the point after which there is insufficient sea room to safely turn the vessel and return back. Point of no return is the position after which the ship is committed to proceed on voyage.it…

Navigation

Actions in the event of ECDIS Failure.

November 20, 2019February 19, 2020 admin No Comments

Ecdis Failure It is mandatory for the ship’s officer to manually plot position of the vessel frequently to avoid over-reliance on the equipment and to have better situational awareness, should the system fail anytime during the passage. Under-mentioned are possible failures of ECDIS: 1. Power failure 2. Sensor input failure 3. Hardware failure 4. Software…

Navigation

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