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Ships Navigation- List of Conditions to be Reported to Master

The officer of the watch shall notify the Master immediately in the following circumstances:

1. When visibility becomes less than three nautical miles.
(minimum criteria 3 miles; Master can increase this)

2. In any doubt regarding navigation (even with Pilot onboard), or when any difficulty is experienced in maintaining a planned Course or Speed.

3. If traffic conditions or movements of other vessels are causing concern. Or on finding a cluster of fishing boats.

4. When the point of time the Master instructed is reached.

5. When weather or sea conditions have suddenly worsened to heavy weather (Wind force of 7 or above and a significant Wave height of 4 meters or above), or there is a sign of weather becoming worse.

6. On failure to sight land, a navigational mark or to obtain soundings by the expected time, or if an uncharted navigational mark is sighted or a change of soundings occurs unexpectedly.

7. On observation of any Floating Debris, Ice, or the like.

8. When any trouble has arisen in the Main Engine, Steering Gear or any Nautical Instruments.

9. When any abnormality is found on board or around the vessel.

10. An accident has occurred onboard resulting in any injury to personnel or Damage to equipment

11. If there is a significant drop in Barometric pressure. or any Important Navigational Warning or Weather forecast is received.

12. When an important communication from a ship or the shore side, such as a Distress Signal, is received.

13. When abnormal condition of cargo is observed.

14. When the OOW feels the need to have additional Bridge Team resources.

15. When any situation that is beyond the control of the OOW has occurred.

a) Remember, it is better to call the Master 30 min. too early rather than 30 seconds too late!

b) Despite the requirement to call Master in all the above circumstances, the OOW should, besides, not hesitate to take immediate action to ensure the safety of personnel, vessel, environment, and cargo, where the circumstances so require.

Related Information

Admiralty Chart correction procedure
There are currently two methods of carrying out electronic chart corrections, either via Weekly Updates, CD or downloaded weekly from a recognized electric chart supplier's data. The preferred method will be decided by the Management Office, depending on the communications equipment onboard the vessel. In most cases, the lack of internet access will determine the update CD as the best option....

Navigational guideline for ships - use of bridge movement book
A Bell book must be used to record significant information pertaining to the vessels movements. There should be sufficient facts to reconstruct the passage, if required at a later date, in conjunction with other data recording (Handwritten or Electronic).

Requirement of ECDIS training and implementation guideline
To ensure compliance with the ECDIS requirement, to ensure that the transition is smooth, equipment installed and Master and Bridge watch keepers are all provided generic and ship-specific ECDIS equipment training before the implementation dates of various type vessel: .....

What are the conditions that should be reported to master while navigating ship? ....
The officer of the watch shall notify the Master immediately in the following circumstances: 1. When visibility becomes less than three nautical miles. (minimum criteria 3 miles; Master can increase this) ....
What are the safe navigational procedure for the officer of the watch? ....
The officer of the watch (OOW) shall comply with masters standing orders (including any supplementary instructions) to carry out the navigational watch. He must always bear in mind that he is the Master's representative and has primary responsibility for the safe navigation of the ship and fully complying with the latest COLREGS .....

What are the entries to be made in deck logbook ? ....
The Deck Log Book is an important document and serves as necessary evidence in case of any Accidents and Casualties. It must contain Factual Entries with Time in each entry. A clear and accurate record of the ship's activities must be kept, as the Logbook will form the main part of the collection of evidence in case of any incidents.....

Guidance on ECDIS- data presentation and performance check standards
Type approval is the certification process that ECDIS equipment must undergo before it can be considered as complying with the IMO Performance Standards for ECDIS. The process is conducted by type approval organizations and marine Classification Societies. ...

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