Ship entered in TRS

 

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Inform C/O, order him to secure deck.

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Inform C/E, order him to secure E/R.

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Plot storm’s position and observe its movement.
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From weather report

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Buys Ballots law:

Pressure below mean Wind force (Beaufort scale) Bearing of center from wind direction Approximate distance
5mb > 6 12 Points Within 200nm
10mb > 8 10 Points Within 125nm
20mb About 12 8 Points Within 75nm

 

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Determine sector in which the ship is in.
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From the weather report

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From the observed storm position and movement.

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Heave to for a few hours and observe the change of wind direction.
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In dangerous semicircle in northern hemisphere, the wind will veer, barometer will fall. Barometer will rise after passing the trough line.

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In navigable semicircle in northern hemisphere, wind will back, barometer will fall. Barometer will rise after passing the trough line.

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Wind direction will remain steady if the vessel is in the path of storm.

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Use appropriate bad weather maneuver as per the ship's position relative to storm.

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In dangerous semicircle, keep the wind on starboard bow, about four points. Keep on altering to starboard as the wind veers.

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In navigable semicircle or in the path, keep the wind on starboard quarter, keep on altering as the wind backs.

 

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Order OOW to
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Update and monitor weather information and reports.

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Record hourly in log book:

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Wind direction and force.

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Wind shift.

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Barometric pressure.

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Swell direction and height.

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Arrange a FSA for storm.

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Strengthen the bridge watch and ensure proper look out.

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Change over to manual steering if auto pilot cannot cope up with weather condition.

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Continuous watch as visibility can be reduced.

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Instruct C/O to:
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Check ship’s stability, draft, trim.

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Press up tanks to reduce FSE and windage area

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Propeller and rudder sufficiently immersed to prevent
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Loses of their efficiency

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Racing of engines

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Excessive vibration

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I will remain outside of a radius of 200nm from storm center. If necessary:

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Ensure vessel does not roll or pitch heavily, as it may cause
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May be damage to cargo

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Shifting of cargo

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Damage to ship’s structure

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Damage to deck equipments, cranes, derricks etc.

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All preparations for heavy weather to be entered in official log book in details and deck log book.

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I will keep in mind:
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Storm can be erratic and different from weather forecast.

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Engine and any navigational/ communication equipment may fail any time.

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Ensure personnel get enough rest, considering fatigue due to storm.

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No body to go on deck without C/O’s permission.

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Instruct C/E to check steering gear and M/E performance regularly.

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Inform following parties about storm and amended ETA:
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Owner.

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Charterer

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Agent of next port.

 

 

Updated: June 22, 2003